Engine Removal Buick Skylark VI

IDENTIFICATION

GENERAL MOTORS PASSENGER CAR DESIGNATIONS

2.0L VIN M

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

1. Disconnect battery cables. Drain cooling system and remove radiator hoses. Remove air cleaner. Disconnect electrical harness at firewall. Disconnect electrical connector at brake 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 shifter cable at transmission. Raise and support vehicle.
4. Remove speedometer cable and bracket. Disconnect exhaust pipe at manifold and converter. Remove heater hoses and fuel lines. Remove transaxle cooler lines.
5. Remove both front wheels. Remove right spoiler section and splash shield. Remove front brake calipers and support with wire. Remove right and left tie rod ends.
6. Disconnect electrical connections at A/C compressor. Remove A/C compressor and mounting brackets. Support A/C compressor with wire in wheel opening. Remove front suspension attaching bolts. CAUTION: Be sure to support vehicle and transaxle weight during following steps.
7. 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. Raise and support vehicle enough to remove jack stands.
8. Position 4-wheel dolly under transaxle assembly with three 4" x 4" x 12" blocks as support. Let support rails hang free.
9. Slightly lower vehicle onto 4-wheel dolly. Remove transaxle rear mounting bolts. Remove left front engine mounting bolts. Remove 2 engine support-to-body mounting bolts behind right-hand inner axle universal joint.
10. Remove one mounting bolt and nut from right-hand chassis side rail-to-engine mount bracket. Remove 6 strut attaching nuts. Disconnect stabilizer bar from lower control arms. Raise and support vehicle, letting engine, transaxle, and suspension rest on 4-wheel dolly.

Installation

To install, reverse removal procedure.

2.3L VIN A & D

1. Disconnect negative battery cable. Drain coolant. Remove air cleaner duct, fan shroud, upper radiator support and cooling fan. Remove oil filter.
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.
3. Remove power steering pivot bolt, pump, and drive belt. Position power steering pump aside. 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 Drive Axle Seal Protector (J-34754) on drive axle boots. Remove axle shafts from transaxle and position aside.
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 all related gaps are within .08" (2 mm) of each other. Check all fluid levels.

2.5L VIN U

1. Disconnect battery cables. 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.
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. On automatic transaxle models, remove converter-to-drive plate bolts. On all models, remove starter motor.
3. Remove power steering pump with hoses attached and position aside (if equipped). Remove 2 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 2 upper transaxle-to-engine bolts. Remove engine.

To install, reverse removal procedure.

3.3L VIN N

1. Remove negative battery cable. Remove airflow sensor wiring. Disconnect air intake duct. Drain cooling system. Disconnect upper engine strut. Raise and support vehicle.
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 drive plate cover. Match mark drive plate-to-torque converter relationship to assure proper reassembly. Remove drive plate-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.

TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS (4-CYLINDER)

TORQUE SPECIFICATIONS (V6)