Engine Oil Pan Removal Pontiac Sunbird II

TROUBLE SHOOTING

Note. To trouble shoot engine mechanical components, see appropriate table in TROUBLE SHOOTING article in GENERAL INFORMATION.

All Models Except With THM 200 Auto. Trans.

1. Disconnect negative battery cable and drain cooling system. Remove upper radiator support, upper half of fan shroud and disconnect transmission oil cooler lines, if equipped.
2. Remove radiator hoses, radiator and grille. Remove A/C condensor from radiator support, if equipped. Remove heater core housing and set aside. Remove engine mount nuts and clips.
3. Raise the vehicle, drain crankcase and disconnect the exhaust pipe at manifold. Remove body-to-crossmember braces. Remove rack and pinion assembly from crossmember and steering shaft.
4. Pull rack and pinion assembly down out of way and remove stabilizer bar. Install Engine Support Fixture (J-26436) and raise engine. Remove oil pan bolts and pull oil pan down. Remove oil pump suction pipe assembly and remove oil pan.

Models With THM 200 Auto. Trans.

1. Disconnect negative battery cable and remove air cleaner. Remove heater housing assembly from front of dash and set aside.
2. Pull back engine mount wire restraints and remove engine mount nuts. Remove upper radiator support and fan shroud, if equipped. Raise vehicle, drain crankcase and remove flywheel cover.
3. Remove rack and pinion assembly from crossmember and loosen converter-to-rear exhaust pipe clamp bolts. Install Engine Support Fixture (J-26436) and raise engine. Remove oil pan bolts, remove oil pan.

1.8L (112") 4-CYLINDER GAS & DIESEL

1. Disconnect negative battery cable and remove right front wheel and splash sheld. Raise vehicle, drain the crankcase and disconnect exhaust pipe at manifold or waste gate, if equipped.
2. Remove A/C brace at starter and bracket, if equipped. Remove flywheel access cover, starter bracket and starter.
3. Remove oil filter and extension, if equipped with automatic transaxle. Remove oil pan bolts and oil pan.

Except Fiero & Grand Am

1. Raise vehicle and drain crankcase. Remove cradle-to-front engine mount nuts. Disconnect exhaust pipe at exhaust manifold and rear transaxle mount.
2. Remove starter, flywheel access cover and upper alternator bracket. Install Engine Support fixture (J-22825-40). Remove lower alternator and engine support brackets. Remove oil pan bolts and oil pan.

Fiero

1. Install Engine Support fixture (J-28467) with one leg attached to left strut mounting nuts and the other resting on inner side rail above battery. Raise engine enough to relieve tension on cradle mounts.
2. Raise vehicle and support at lift points. Disconnect exhaust pipe at manifold and remove spring hangers. Remove both rear wheels and disconnect both lower control arms and toe-link rods at knuckle.
3. Disconnect emergency brake cable at cradle and remove engine and transmission mount nuts. Remove cradle bolts and cradle assembly. Drain crankcase and remove front engine mount-to-support bracket nuts.
4. Remove flywheel access cover, starter and upper alternator bracket. Raise engine and remove lower alternator and engine support brackets. Remove oil pan bolts and oil pan.

Grand Am

Disconnect negative battery cable, raise vehicle and remove exhaust pipe at manifold and hangers and move out of way. Remove flywheel access cover and starter. Remove oil pan bolts, remove oil pan.

Note. When reinstalling oil pan on all 2.5L models, install timing gear cover bolts after oil pan bolts are tightened.

2.8L (173") V6

1. Disconnect negative battery cable. On Firebird models, remove air cleaner, distributor cap and upper fan shroud. On all models, raise vehicle, drain crankcase and remove flywheel access cover.
2. On Firebird models, disconnect exhaust pipe at manifold. On all models, remove starter, support engine and remove engine mount bracket-to-engine bolts. Remove oil pan bolts, raise engine and remove oil pan.

3.0L (181") & 3.8L (231") V6

Disconnect negative battery cable. Raise and support vehicle. Drain crankcase. Remove the flywheel access cover, exhaust crossover pipe and engine mount bolts. Raise and support engine. Remove oil pan bolts and oil pan.

Scheme 8

1. Disconnect negative battery cable, drain crankcase. Attach Engine Support Fixture (J-28467) (Scheme 8) Raise and support vehicle. Remove left front tire, remove left side lower control arm-to-frame bolts. (Scheme 8): Engine Support Fixture
2. Remove left side stabilizer bar link, move left lower control arm out of way. Remove engine splash shield, engine mount-to-frame nuts and front transaxle-to-frame nuts. Using Engine Support Fixture (J-29467), raise transaxle until transaxle mount clears studs on frame. Disconnect wiring harness from front frame crossmember.
3. Remove bolts retaining front cross member to right side of frame. Remove left side body mounts, remove left and front crossmember assembly. Remove flywheel access cover and starter assembly. Remove engine mount bracket and engine absorber assembly. Remove oil pan bolts and oil pan.

5.0L (305") V8

1. Disconnect negative battery cable, remove air cleaner and fan shroud. Remove screw bracket, if equipped with cruise control. Raise vehicle and drain crankcase. Disconnect exhaust pipe at manifold and converter.
2. Remove starter, flywheel access cover and engine mount through bolts. Remove oil pan bolts, lower oil pan and position forward crankshaft throw and/or counterweight horizontally. Raise engine, loosely reinstall through bolts and remove oil pan.

5.7L (350") V8 DIESEL

1. Disconnect negative battery cable and oil level indicator. Remove oil pump drive, vacuum pump, upper radiator support and fan shroud bolts. Raise and support vehicle. Drain crankcase.
2. Remove the flywheel access cover and disconnect exhaust and crossover pipes. Disconnect oil cooler lines at filter base and remove starter and engine mount bolts. Raise front of engine, remove oil pan bolts and oil pan.

TORQUE SPECIFICATIONS (4-CYLINDER)

TORQUE SPECIFICATIONS (4-CYLINDER)

TORQUE SPECIFICATIONS (V6)

TORQUE SPECIFICATIONS (V6)

TORQUE SPECIFICATIONS (V8)

TORQUE SPECIFICATIONS (V8)