Engine Removal Buick Estate Wagon

IDENTIFICATION

BODY IDENTIFICATION

4-CYLINDER MODELS - 2.0L

Note. Engine and transaxle are removed as an assembly from bottom of vehicle.

Removal ("J" Body)

1. Disconnect battery cables. Drain cooling system and remove radiator hoses. Remove air cleaner. Disconnect electrical harness at firewall. Disconnect electrical connector at brake master cylinder.
2. Disconnect wiring at Electronic Control Module (ECM), temperature switch at thermostat housing, and A/C relay cluster switches. Disconnect vacuum hoses at Manifold Absolute Pressure (MAP) sensor, canister, and Electronic Fuel Injection (EFI).
3. Remove power steering hoses at pump return port and cut-off switch. Disconnect accelerator cable at bracket and EFI. Disconnect shift linkage or cable at transaxle. Raise and support vehicle.
4. Remove speedometer cable and bracket. Disconnect exhaust pipe from hangers and manifold and move aside. Remove heater hoses and fuel lines. Remove A/T transaxle cooler lines (if equipped).
5. Remove both front wheels. Remove front brake calipers and support with wire. Remove right and left tie rod ends.
6. Disconnect electrical connections at A/C compressor. Discharge refrigerant from A/C system. Remove A/C lines from compressor. Remove 3 suspension attaching bolts from each side of engine compartment and loosen the last 2 bolts (one on each side). CAUTION: Be sure to support vehicle, engine and transaxle weight during following steps.
7. On A/T models, remove rear transaxle lateral strut. On all models, remove front transaxle strut. Lower vehicle. Support front of vehicle by placing 2 jack stands under radiator core support. Position jack at rear of cowl with 4" x 4" x 6' timber spanning vehicle width.
8. Raise and support vehicle enough to remove jack stands. Position 4-wheel dolly under transaxle assembly with three 4" x 4" x 12" blocks as support. Lower vehicle onto 4-wheel dolly. Remove right and left side suspension attaching bolts loosened in step 6). NOTE: Engine and transaxle are removed as an assembly from bottom of vehicle.
9. Remove transaxle mounting bolts. Remove front and rear engine mounting bolts. Remove steering knuckle-to-strut bolts on both sides. Scribe steering knuckle-to-strut position to preserve camber adjustment. Raise and support vehicle, letting engine, transaxle, and suspension rest on 4-wheel dolly.

Installation

To install, reverse removal procedure. Fill coolant recovery reservoir to FULL COLD mark. With engine off, fill thermostat housing until level is even with thermostat seat. Install cap. Run engine until upper radiator hose is hot. Check coolant level in reservoir tank. Add coolant to FULL COLD mark.

4-CYLINDER MODELS - 2.2L

Note. Engine and transaxle are removed as an assembly from bottom of vehicle.

Removal ("J" & "L" Bodies)

1. Disconnect battery cables. Remove battery. Disconnect hood wires and remove hood. Drain cooling system and disconnect radiator and heater hoses. Remove air cleaner and throttle body intake duct.
2. Disconnect all vacuum hoses at engine. Remove alternator top bracket and wiring. Disconnect upper engine electrical wiring and position out of way. Discharge A/C system. Remove A/C compressor-to-accumulator and compressor-to-condenser lines.
3. Raise vehicle. Remove left splash shield, exhaust system and lower engine wiring. Remove flexplate inspection cover and front wheels. Remove front brake calipers and support with wire.
4. Lower vehicle and on M/T models, remove clutch slave cylinder. Disconnect fuel lines. Disconnect transaxle linkage at transaxle. Disconnect accelerator cruise control at throttle body. On A/T models, disconnect TV cables at throttle body and cooling lines at transaxle.
5. On all models, disconnect power steering hoses from pump. Remove center carriage bolts. Position 4-wheel dolly under frame and lower vehicle onto dolly. Add support under engine and rear of vehicle. NOTE: Engine and transaxle are removed as an assembly from bottom of vehicle.
6. Remove upper transaxle mount, upper strut bolts and nuts. Remove front and rear engine mounts. Remove rear carriage bolts. Remove front carriage bolts, and wire holes together to prevent axle separation. Raise vehicle and remove engine/transaxle assembly.

To install, reverse removal procedure. With engine off, fill radiator until level is even with filler neck. Run engine until upper radiator hose is hot. Add coolant as necessary. After 5 minutes, add coolant to base of filler neck and install cap. Add coolant to recovery reservoir to HOT mark. Install cap.

4-CYLINDER MODELS - 2.3L

Note. Except on "W" body, engine and transaxle are removed as an assembly from bottom of vehicle. On "W" body, engine only is lifted from engine compartment.

Removal ("L" Body)

1. Disconnect negative battery cable. Drain coolant. Remove front wheel and tire assemblies. Remove air cleaner assembly, heater hoses, upper radiator hose and cooling fan. Remove oil filter. NOTE: On "L" body, engine and transaxle are removed as an assembly from bottom of vehicle.
2. On A/C equipped models, discharge A/C system. Remove coupled hose assembly at A/C compressor and discard "O" rings. On all models, disconnect and label all linkage, hoses, vacuum lines and electrical wiring that will interfere with engine removal. Remove negative battery cable from block.
3. Remove power steering bracket with pump and lines attached. Position power steering pump aside. Disconnect clutch actuator, fuel lines, engine oil cooler lines and exhaust heat shield. Disconnect exhaust manifold and front engine mount. Install Engine Support (J-28467).
4. Raise vehicle. Separate ball joints from steering knuckles. Remove stabilizer shafts from both control arms. Install Axle Boot Protector (J-34754). Remove axle shaft from transaxle. Remove suspension support retaining bolts. Remove rear engine mount bracket and ground strap from block.
5. Remove engine mount body bracket. Remove transaxle through bolt. Position jack below engine and lower car onto support. Raise vehicle off engine and transaxle assembly. Separate engine from transaxle.

To install, reverse removal procedure. With engine off, fill radiator until level is even with filler neck. Run engine until upper radiator hose is hot. Add coolant as necessary. After 5 minutes, add coolant to base of filler neck and install cap. Add coolant to recovery reservoir to HOT mark. Install cap.

Removal ("N" Body)

1. Disconnect negative battery cable. Drain coolant. Remove air cleaner assembly, heater hoses, upper radiator support and cooling fan. Remove oil filter. NOTE: On "N" body, engine and transaxle are removed as an assembly from bottom of vehicle.
2. On A/C equipped models, discharge A/C system. Remove coupled hose assembly at A/C compressor and discard "O" rings. On all models, disconnect and label all linkage, hoses, vacuum lines and electrical wiring that will interfere with engine removal. Remove negative battery cable from block.
3. Remove power steering pivot bolt, pump, and drive belt. Position power steering pump aside. Disconnect clutch actuator, fuel lines, engine oil cooler lines and exhaust heat shield. Disconnect exhaust manifold and front engine mount. Install Engine Support (J-28467). Raise vehicle.
4. Remove front right wheel assembly. Remove right lower splash shield and radiator air deflector. Separate ball joints from steering knuckles. Support suspension crossmember and stabilizer shaft. Remove suspension support retaining bolts.
5. Remove suspension supports, crossmember and stabilizer shaft as an assembly. Install Axle Boot Protector (J-34754) on drive axle boots. Remove axle shafts from transaxle.
6. Remove nut from transaxle mount through bolt and rear engine mount through bolt. Remove engine mount body bracket. Position jack below engine and lower car onto support.
7. Remove transaxle through bolt. Mark support fixture hooks so that positioning can be duplicated when reinstalling engine. Remove engine support fixture. Raise vehicle off engine and transaxle assembly. Separate engine from transaxle.

To install, reverse removal procedure. When tightening transaxle mount through bolt, ensure related gaps are equal and within .08" (2 mm) of each other. Check all fluid levels. With engine off, fill radiator until level is even with filler neck. Run engine until upper radiator hose is hot. Add coolant as necessary. After 5 minutes, add coolant to base of filler neck and install cap. Add coolant to recovery reservoir to HOT mark. Install cap.

Removal ("W" Body)

1. Disconnect battery cables. Remove hood. Drain cooling system and disconnect upper radiator hoses. Disconnect heater hoses at thermostat housing and heater core. Remove air cleaner to throttle body duct. NOTE: On "W" body, only engine is lifted from engine compartment.
2. Disconnect engine injector wiring harness connector. Disconnect ground connection at front of engine. Disconnect electrical connectors from alternator, A/C compressor, coolant sensors, oil pressure switch, knock sensor, oxygen sensor and throttle position sensor.
3. Remove electrical connection at starter solenoid. Position harness aside. Disconnect vacuum hoses. Recover A/C refrigerant and disconnect A/C hoses at compressor. Remove A/C compressor.
4. Remove throttle cable and bracket. Remove power steering belt and through bolt. Remove power steering pump with brackets and hoses attached and position aside. Release fuel pressure. Disconnect fuel lines. Remove torque strut mounts.
5. Remove A/T fill tube (if equipped). Remove exhaust heat shield and exhaust pipe-to-manifold bolts. Remove transaxle-to-block attaching bolts. Raise vehicle. Remove transaxle-to-block attaching bolts from under vehicle.
6. Disconnect lower radiator hose. Remove torque converter cover (if equipped), scribe marks on converter-to-flexplate for reassembly reference. Remove transaxle-to-engine brace and lower engine mount. Lower vehicle. Support transaxle. Install engine hoist. Remove engine assembly.

1. To install, reverse removal procedure. Leave heater hose outlet disconnected. Fill radiator with coolant until coolant flows from outlet. Install heater hose.
2. With engine off, fill radiator until level is even with filler neck. Run engine until upper radiator hose is hot. Add coolant as necessary. After 5 minutes, add coolant to base of filler neck and install cap. Add coolant to recovery reservoir to HOT mark. Install cap.

4-CYLINDER MODELS - 2.5L

Removal ("A" Body)

1. Disconnect battery cables. Remove hood. Drain cooling system and disconnect radiator hoses. Remove air cleaner. Disconnect engine wiring harness connector. Disconnect vacuum and heater hoses. Remove A/C compressor with hoses attached and place aside. NOTE: On "A" Body, engine only is lifted from engine compartment.
2. Remove front reaction rod/strut. Disconnect throttle and transaxle linkage. Remove transaxle-to-engine bolts, except 2 upper bolts. Remove front mount-to-cradle nuts. Remove forward exhaust pipe. Remove converter housing cover or flywheel inspection cover. Remove converter-to-flexplate bolts, on A/T models. On all models, remove starter motor.
3. Remove power steering pump with hoses attached and position aside (if equipped). Remove rear transaxle support bracket bolts. Disconnect fuel line at fuel filter.
4. Position jack with wood block under transaxle and raise engine and transaxle until front engine mount studs clear cradle. Support engine weight with lift equipment. Remove upper transaxle-to-engine bolts. Remove engine.

To install, reverse removal procedure. With engine off, fill radiator until level is even with filler neck. Run engine until upper radiator hose is hot. Add coolant as necessary. After 5 minutes, add coolant to base of filler neck and install cap. Allow engine to cool, then add coolant to recovery reservoir to ADD or FULL COLD mark. Install cap.

1. Disconnect battery cables. Drain cooling system and disconnect radiator hoses. Remove air cleaner. Disconnect ECM connectors, route through firewall and lay harness across engine. Disconnect vacuum, radiator and heater hoses. NOTE: On "N" Body, engine and transaxle assembly are removed from below vehicle.
2. Recover refrigerant from A/C system. Hoist vehicle. Remove A/C compressor and brackets. Remove power steering pump with hoses attached and wire out of way. Remove front and rear transaxle struts. Remove fuel lines.
3. Remove shift linkage. On A/T models, disconnect transaxle cooler lines, and downshift cable. On all models, disconnect throttle cable at throttle body. Disconnect engine ground cable. Remove multiple relay bracket. Remove power steering line bracket. Remove tire and wheel assembly. Remove brake calipers and rotors.
4. Remove knuckle-to-strut bolts. Disconnect exhaust pipe from manifold and hangers and wire out of way. Remove body-to-frame bolts at lower control arm and loosen remaining body-to-frame bolts. Remove bolts from frame, leaving one in each corner.
5. Support front of vehicle by placing 2 jack stands under front of body. Move hoist back to body pan and place a 4" x 4" block between hoist and vehicle. Raise hoist and remove jack stands.
6. Position 4-wheel dolly under transaxle assembly with 4" x 4" x 12" blocks as support. Lower vehicle and engine/transaxle to rest on dolly. Remove engine mount bolts and right front bracket. Remove remaining frame-to-body bolts. Raise vehicle from engine/transaxle assembly. Separate engine from transaxle.

To install, reverse removal procedure. Check all fluid levels. With engine off, fill surge tank until level is even with base of filler neck. Run engine until upper radiator hose is hot. Stop engine and observe coolant level in surge tank. If not above FULL line, carefully remove pressure cap and add coolant as necessary. Install cap.

1. Disconnect battery cables. Drain coolant. Remove air cleaner assembly. Remove hood. Disconnect engine harness connector. Disconnect vacuum, radiator and heater hoses. Remove A/C compressor with hoses attached and position aside. NOTE: On "W" Body, engine only is lifted from engine compartment. Transaxle is removed separately from below vehicle.
2. Remove alternator and bracket. Remove engine torque strut. Disconnect throttle and transaxle linkage. Remove engine-to-transaxle bolts, except 2 upper bolts.
3. Install Engine Support Fixture (J-28467-A) and Engine Support Adapter (J-36462). Raise vehicle. Remove engine mount-to-frame nuts. Disconnect exhaust pipe and position aside. Remove torque converter cover. Remove torque flexplate-to-torque converter bolts. Remove starter motor. Remove power steering pump with hoses attached and position aside. Disconnect fuel line.
4. Support transaxle. Remove 2 remaining engine-to transaxle bolts and rear support bracket. Remove transaxle from engine. Lower vehicle. Attach engine hoist and remove engine.

To install, reverse removal procedure. With engine off, fill thermostat housing until level is even with base of radiator neck. Install radiator cap. Continue to fill thermostat housing until level is 1/2" below top of thermostat housing. Install thermostat and thermostat housing cap. Fill coolant recovery reservoir to 1 1/4" above HOT mark. Run engine 5 minutes. Check coolant level in reservoir tank. Add coolant to HOT mark.

V6 MODELS - 3.1L

Removal ("A", "J", "L" & "W" Bodies)

1. Disconnect battery cables. Remove air cleaner. Drain cooling system. Remove engine strut bracket from radiator support and position to rear. Remove A/C compressor from engine, leaving rear mounting bracket attached and hang from body. NOTE: On "A", "J", "L" & "W" Bodies, engine and transaxle assembly are removed from below vehicle.
2. Disconnect vacuum hoses. Disconnect accelerator cable and TV cable (if equipped). Disconnect engine harness from ECM and pull connector through front of dash. Disconnect engine harness from junction block at left side of dash panel.
3. Disconnect radiator and heater hoses from engine. Remove power steering pump and bracket from engine and lay aside (if equipped). Disconnect fuel lines at rubber hose connections on left side of engine compartment.
4. Raise and support vehicle. Remove tire and wheel assemblies. Remove right side splash shield and oil filter. Remove lower engine wiring. Remove exhaust down pipe from crossover pipe. Remove brake calipers and rotors. Remove tie rods from struts.
5. Lower vehicle enough to support engine/transaxle on engine/transaxle table. Remove remaining engine/transaxle-to-frame bolts. Lower table and raise vehicle. Separate engine from transaxle.

To install, reverse removal procedure. With engine off, fill radiator until level is even with base of radiator neck. Ensure air bleeds on thermostat housing and bypass pipe are tightly closed. Start engine and let idle for 5 minutes, adding coolant as necessary to maintain level. Install radiator cap. Add coolant to recovery reservoir level HOT mark.

Removal ("F" Body)

1. Disconnect battery cables. Remove air cleaner. Mark hinges for installation and remove hood. Drain cooling system. Remove lower radiator hose. Remove upper fan shroud. Remove upper radiator hose and coolant recovery hose. NOTE: On "F" Body, only the engine is lifted from engine compartment.
2. Discharge A/C system and disconnect A/C lines. Disconnect transmission cooler lines at radiator (if equipped). Remove radiator. Remove fan assembly. Remove heater hoses.
3. Disconnect throttle and cruise control detent linkages from throttle valve. Disconnect all vacuum lines and wiring to engine. Remove distributor cap.
4. Remove power steering pump and position aside with hoses connected. Raise and support vehicle. Remove exhaust pipes at manifolds. Remove transmission torque converter cover. Match mark and remove flexplate-to-converter bolts. Disconnect starter wires.
5. Remove transmission-to-engine bolts. Remove motor mount through bolts. Lower vehicle. Support transmission with jack. Install engine lift. Remove engine, disconnecting wire from bracket at left rear of engine.

To install, reverse removal procedure. With engine off, fill radiator until level is even with base of radiator neck. Add coolant to recovery reservoir COLD FILL mark. Start engine and let idle until upper radiator hose becomes hot. Add coolant as necessary to maintain level. Install radiator cap.

V6 MODELS - 3.3L

Removal ("A" & "N" Bodies)

1. Remove hood. Depressurize fuel system. Remove negative battery cable. Disconnect fuel lines from fuel rail. Disconnect air intake duct. Drain cooling system. Disconnect radiator and heater hoses. Remove engine cooling fan. Raise and support vehicle. NOTE: On "A" & "N" Bodies, only engine is lifted from engine compartment.
2. Disconnect electrical connections and vacuum hoses. Disconnect cables and bracket at throttle body. Remove drive belt. Remove power steering pump and set aside. Remove upper transaxle-to-engine bolts.
3. Raise vehicle on hoist. Disconnect A/C compressor and set aside (if equipped). Remove rear engine mount-to-mount bracket bolts. Remove flexplate cover. Match mark flexplate-to-torque converter relationship to ensure proper reassembly. Remove flexplate-to-torque converter bolts.
4. Remove lower transaxle-to-engine bolts. One bolt is located between transaxle case and engine block and is installed in opposite direction. Lower vehicle. Disconnect front engine mount to bracket bolts. Using engine lift, remove engine.

To install, reverse removal procedure. With engine off, fill surge tank until level is even with base of filler neck. Run engine until upper radiator hose is hot. Stop engine and observe coolant level in surge tank. If not above FULL line, carefully remove pressure cap and add coolant as necessary. Install cap.

V6 MODELS - 3.8L

Removal ("C", "E" & "H" Bodies)

1. Remove negative battery cable. Remove airflow sensor wiring. Disconnect air intake duct. Drain cooling system. Disconnect upper engine strut. Raise and support vehicle. NOTE: On "C", "E" & "H" Bodies, engine only is lifted from engine compartment.
2. Disconnect exhaust pipe. Disconnect engine mount bolts. Remove starter wiring and starter. Disconnect A/C compressor and set aside (if equipped).
3. Remove lower transaxle-to-engine bolts. One bolt is located between transaxle case and engine block and is installed in opposite direction. Remove flexplate cover. Match mark flexplate-to-torque converter relationship to ensure proper reassembly. Remove flexplate-to-torque converter bolts.
4. Disconnect engine support bracket at transaxle. Lower vehicle. Remove radiator hoses. Disconnect heater hoses at engine. Remove alternator. Disconnect engine wiring harness. Remove remaining transaxle-to-engine bolts. Remove engine.

To install, reverse removal procedure. Fill radiator to base of filler neck. Start engine. Place heater-A/C control in A/C mode and at highest temperature setting. Run engine to 3000 RPM and back to idle 5 times to expel any trapped air in system. Refill radiator as necessary. Install radiator cap. Allow engine to cool. Check coolant level in reservoir. Add coolant as necessary to bring level to ADD or FULL COLD mark.

V8 MODELS - 4.5L

Removal ("C", "E" & "K" Bodies)

1. Disconnect battery cables. Drain cooling system. Remove air cleaner. Mark hinges for reassembly reference and remove hood. Disconnect A/C hose strap from right strut tower. Disconnect A/C accumulator from bracket and move aside.
2. Disconnect canister hose and ground wire from A/C accumulator bracket. Disconnect A/C accumulator bracket from wheelwell. Remove cooling fan. Remove accessory drive belt and heater hose. Remove upper radiator hose.
3. Disconnect engine wiring. Disconnect cables at throttle lever. Disconnect cruise control diaphragm with bracket and set aside. Disconnect vacuum hoses. Disconnect exhaust crossover pipe.
4. Disconnect oil cooler lines from oil filter adapter. Disconnect oil cooler line bracket at transaxle and move lines aside. Remove air cleaner bracket.
5. Disconnect fuel lines at throttle body. Disconnect fuel line bracket at transaxle and move fuel lines aside. Remove Air Injection Reaction (AIR) valve with bracket. Remove pulley idler.
6. Remove power steering hose strap from stud bolt. Remove stud bolt. Remove AIR pipe clip. Remove power steering pump and belt tensioner with bracket and move aside. Raise and support vehicle.
7. Remove both flexplate covers. Remove starter and flexplate-to-converter bolts. Remove A/C compressor lower dust shield. Remove right front tire and wheel assembly. Remove outer wheelhouse plastic shield.
8. Remove A/C compressor mounting bolts and lower compressor aside. Remove lower radiator hose. Remove driveline vibration damper with brackets from lower right front of engine and cradle. Pull alternator wire with plastic cover down, out of way. Remove right front engine-to-transaxle bracket bolts.
9. Remove exhaust pipe-to-manifold bolts and springs. Remove the AIR pipe-to-converter bracket from the exhaust manifold stud. Remove lower right transaxle-to-engine bolt. Lower vehicle and support engine.
10. Remove upper transaxle-to-engine bolts. Remove left front engine mount bracket-to-engine bolts. (Scheme 1) Remove engine.

Identifying Engine & Transmission Mounts. Scheme 1

To install, reverse removal procedure. Fill radiator to base of filler neck. Start engine. Place heater control in DEF mode and at 90 degree temperature setting. Run engine at 2000 RPM for 10 minutes. Refill radiator as necessary. Install radiator cap. Stop engine. Check coolant level in reservoir. Add coolant as necessary to bring level to FULL mark.

V8 MODELS - 5.0L & 5.7L (VIN 7)

Removal ("B", "D" & "F" Bodies)

1. Disconnect battery and remove air cleaner. Drain radiator. Disconnect radiator hoses and remove upper fan shroud. Remove fan assembly. Disconnect heater hoses at engine.
2. Remove power steering pump and lay aside. Remove A/C compressor and lay aside. Disconnect accelerator and throttle valve cable. Disconnect cooler lines at radiator (if equipped). Remove radiator.
3. Disconnect vacuum hoses. Disconnect Computer Command Control (CCC) wiring harness. Disconnect Air Injection Reaction (AIR) hose at pipe from converter. Remove washer bottle. Disconnect engine wiring harness at bulkhead. Disconnect necessary wires. Remove hood.
4. Remove distributor cap. Disconnect cruise control cable. Disconnect positive battery cable. Disconnect negative battery cable at A/C hose bracket and alternator bracket. Raise and support vehicle.
5. Remove crossover pipe and catalytic converter as an assembly. Remove flexplate cover. Remove torque converter bolts. Remove motor mount bolts. Disconnect fuel hose at fuel pump (carbureted) or at in-line filter (TBI) or at fuel rail (PFI). Disconnect torque converter clutch wiring at transmission.
6. Disconnect transmission cooler lines at clip on engine pan. Remove transmission-to-engine bolts. Lower vehicle. Support transmission. Install lifting device and remove engine.

To install, reverse removal procedure. With engine off, fill radiator until level is even with base of filler neck. Fill coolant recovery reservoir to COLD FILL mark. Install coolant recovery reservoir cap. Run engine until radiator inlet hose is hot. With engine at idle, add coolant to radiator until level is even with base of filler neck. Install cap.

V8 MODELS - 5.7L (VIN 8)

Removal ("F" & "Y" Bodies)

1. Disconnect negative battery cable. Drain coolant. Remove air cleaner. Remove serpentine belt. Remove braces at back of A/C compressor. Disconnect wires at A/C compressor.
2. Remove plenum extension (if equipped). Disconnect fuel lines at front fuel hose-to-fuel line connection. Remove A/C compressor mounting bracket nuts and bolts. Disconnect heater hoses. Disconnect upper radiator hose at thermostat outlet.
3. Remove A/C compressor-to-mounting bracket bolt and move compressor aside. Remove mounting bracket. Disconnect Port Fuel Injection (PFI) harness at engine. Disconnect cruise, detent and accelerator cables.
4. Remove distributor cap and wires from spark plugs and remove as an assembly. Disconnect detent cable bracket at intake. Remove distributor. Remove cowl screen. Remove nut from wiper motor and remove wiper motor. Disconnect wires at oil pressure sending unit. Disconnect vacuum hoses.
5. Remove power steering pump and wire aside. Remove crankshaft pulley. Disconnect bulkhead connector and necessary connectors. Disconnect Air Injection Reaction (AIR) hose at converter check valve. Move fuel lines out of way.
6. Disconnect radiator hose at water pump. Disconnect upper radiator hose at power steering reservoir bracket. Raise and support vehicle. Drain engine oil and remove oil filter. Remove oil cooler adapter at engine. Disconnect AIR pipe at exhaust manifold. Remove AIR converter pipe.
7. Disconnect "Y" pipe hanger. Disconnect heat shields at "Y" pipe and converter. Disconnect oxygen sensor wire. Remove "Y" pipe. Remove flexplate/flywheel cover. On A/T models, remove torque converter bolts. On M/T models, remove transmission-to-bellhousing bolts.
8. On all models, loosen motor mount through bolts. Remove motor mount-to-engine block bolts. On A/T models, remove bellhousing bolts and lower vehicle. On all models, disconnect knock sensor wire. Disconnect ground cable at engine. Disconnect positive battery cable at battery and harness.
9. Lower vehicle. Support transmission with floor jack. Install engine lift. Carefully lift engine out of vehicle, disconnecting wire from bracket at left rear of engine.

Installation ("F" Body)

To install, reverse removal procedure. With engine off, fill radiator until level is even with base of filler neck. Fill coolant recovery reservoir to COLD FILL. Install coolant recovery reservoir cap. Run engine until radiator inlet hose is hot. With engine at idle, add coolant to radiator until level is even with base of filler neck. Install cap.

Installation ("Y" Body)

To install, reverse removal procedure. With engine off, fill radiator until level is even with base of filler neck. Fill coolant recovery reservoir to COLD mark. Add coolant to high fill reservoir to base of filler neck. Install coolant recovery reservoir cap. Run engine until radiator inlet hose is hot. Add coolant to high fill reservoir to maintain level at base of filler neck. Add 2 Cooling System Sealer Pellets GM (1051687). Install cap. Fill coolant recovery reservoir to HOT mark.

TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS (4-CYLINDER)

TORQUE SPECIFICATIONS (V6)

TORQUE SPECIFICATIONS (V8)