Chrysler Front Wheel Drive Cars 6-CYL 1988-1995 Repair Information

Oil Pan

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REMOVAL & INSTALLATION




CAUTION
The EPA warns that prolonged contact with used engine oil may cause a number of skin disorders, including cancer! You should make every effort to minimize your exposure to used engine oil. Protective gloves should be worn when changing the oil. Wash your hands and any other exposed skin areas as soon as possible after exposure to used engine oil. Soap and water, or waterless hand cleaner should be used.

3.0L Engines
PREMIER AND MONACO

See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Loosen the front wheel lug nuts slightly.
  4.  
  5. Raise and safely support the vehicle on jackstands. Drain the engine oil.
  6.  
  7. Remove the front anti-sway bar retaining bolts and remove the sway bar.
  8.  
  9. Loosen the engine mount stud and nut assemblies. Remove the front tires.
  10.  
  11. Remove the lower ball joint retaining bolts and disengage the lower ball joints from the steering knuckles.
  12.  
  13. Remove the nuts at the center of the transaxle crossmember securing the rear of the transaxle to the crossmember.
  14.  
  15. Lower the vehicle and attach engine support tool MS1900 to the engine.
  16.  
  17. With the vehicle lowered, loosen the 4 sub-frame attaching nuts. Remove the front 2 first, allowing the sub-frame to pivot to the ground. Support the rear of the sub-frame and remove the 2 rear nuts. Lower the sub-frame away from the vehicle.
  18.  
  19. Raise and support the vehicle. Remove the oil pan retaining bolts and remove the oil pan.
  20.  



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Fig. Fig. 1: Oil pan assembly-Premier and Monaco

To install:
  1. Thoroughly clean and dry the mating surfaces of the pan and block.
  2.  
  3. Install the oil pan to the engine block using a new gasket. Do not use any sealer on the gasket; it must be installed dry. Tighten all of the retaining bolts to 9 ft. lbs. (12 Nm).
  4.  
  5. Install the sub-frame assembly and tighten the mounting nuts to 92 ft. lbs. (125 Nm).
  6.  
  7. Connect the lower ball joints and tighten the attaching nut to 77 ft. lbs. (104 Nm). Tighten the transaxle-to-crossmember bolts to 20 ft. lbs. (27 Nm).
  8.  
  9. Remove the engine support tool. Attach the anti-sway bar and install the front wheels.
  10.  
  11. Lower the vehicle. Fill the crankcase with the appropriate quantity and grade of oil.
  12.  
  13. Tighten the wheel lug nuts. For the lug nut torque specification, refer to Suspension & Steering .
  14.  
  15. Connect the negative battery cable and check for leaks.
  16.  

EXCEPT PREMIER AND MONACO

See Figures 2 through 18

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Remove the engine oil dipstick.
  4.  
  5. Raise the front of the vehicle and safely support on jackstands.
  6.  
  7. Drain the engine oil into a large container.
  8.  
  9. Some vehicles were equipped with engine-to-transaxle brackets which completely obstruct some of the oil pan bolts. If your vehicle does not have any of these brackets, skip to Step 13.
  10.  
  11. Support the transaxle with a second floor jack so that the weight is slightly taken off of the left engine side (radiator side) engine and transaxle mount.
  12.  
  13. Remove the starter motor from the engine. For more details, refer to Engine Electrical .
  14.  
  15. Loosen and remove the upper mount bolts, then, using two wrenches, remove the engine mount through-bolt.
  16.  
  17. Also using two wrenches (one is used to hold the stud from turning), loosen and remove the lower engine mount retaining nut from the stud. Remove the engine mount bracket from the stud.
  18.  
  19. Loosen and remove the two upper left-side (radiator side) engine-to-transaxle bracket bolts, then unscrew the stud, which holds the lower end of the same bracket to the transaxle.
  20.  
  21. Remove the engine-to-transaxle bracket.
  22.  



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Fig. Fig. 2: If your vehicle has the engine-to-transaxle brackets, support the transaxle with a second floor jack



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Fig. Fig. 3: After the starter motor is removed, remove the upper engine mount bracket attaching bolts ...



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Fig. Fig. 4: ... then remove the engine mount through-bolt and nut



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Fig. Fig. 5: Using two wrenches, loosen and remove the lower engine mount bracket nut



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Fig. Fig. 6: Remove the 2 upper engine-to-transaxle bracket securing bolts, ...



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Fig. Fig. 7: ... remove the lower stud, which holds the bracket to transaxle case, ...



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Fig. Fig. 8: ... and finally remove the bracket from the vehicle



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Fig. Fig. 9: Move over to the other side of the engine and loosen the other upper 2 bracket securing bolts



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Fig. Fig. 10: Remove the upper 2 bolts, then ...



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Fig. Fig. 11: ... loosen and remove the lower attaching bolt ...



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Fig. Fig. 12: ... and remove this bracket from the vehicle also



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Fig. Fig. 13: Pull the flexplate/flywheel cover out from between the transaxle and engine



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Fig. Fig. 14: Remove the oil pan mounting bolts and slowly lower the oil pan from the engine block ...



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Fig. Fig. 15: ... and now repairs to the oil pump pick-up, bearings or other component can be performed

  1. Remove the two upper right-side (firewall side) engine-to-transaxle bolts. Remove the bolt mounting the lower end of the same bracket. Remove this bracket.
  2.  
  3. Remove the flywheel/flexplate cover (this is needed to gain access to the rearmost two oil pan attaching bolts.
  4.  
  5. Support the pan and remove the oil pan mounting bolts.
  6.  
  7. Lower and remove the pan.
  8.  
  9. Set a large pan or a similar container under the engine since it will continue to drip oil.
  10.  

To install:
  1. Clean the oil pan in solvent and wipe dry with a clean cloth. Clean all old gasket material or old sealant from the mounting surfaces of the pan and engine block.
  2.  
  3. Inspect the oil drain plug and plug hole for stripped or damaged threads and repair if needed. Install a new drain plug washer. Tighten the oil drain plug to 30 ft. lbs. (40 Nm).
  4.  
  5. Inspect the oil pan mounting flange for bends or distortion. Straighten the flange if necessary.
  6.  
  7. Clean the oil screen and pipe in clean solvent. Inspect the condition of the screen.
  8.  
  9. If removed, install the oil pick-up tube into the chain case cover and tighten both mounting bolts to 16 ft. lbs. (22 Nm).
  10.  
  11. Apply a bead of Mopar® silicone rubber adhesive sealant or the equivalent around the entire oil pan flange (refer to the illustration).
  12.  
  13. Install the oil pan to the underside of the engine block. Tighten the mounting bolts in the sequence shown in the illustration to 4.5 ft. lbs. or 50 inch lbs. (6 Nm).
  14.  
  15. Install the flexplate/flywheel cover and install the right-side engine-to-transaxle bracket and lower bolt to hold the cover in place.
  16.  
  17. Install and tighten the upper and lower bracket bolts.
  18.  
  19. Pass the lower stud through the left-side engine-to-transaxle lower hole, then thread the stud through the flexplate/flywheel hole and into the transaxle case. Tighten the lower stud until snug.
  20.  
  21. Install the two upper left-side bracket bolts.
  22.  
  23. Install the engine mount lower bracket over the stud and secure in place with the attaching nut.
  24.  
  25. Adjust the height of the transaxle so that the bracket holes line up with the transaxle engine mount rubber insulator, then install the through-bolt and nut.
  26.  



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Fig. Fig. 16: Oil pan and related components-3.0L engines, except Premier and Monaco



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Fig. Fig. 17: Make certain that the silicone sealant is applied as shown in the illustration



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Fig. Fig. 18: Oil pan bolt tightening sequence

  1. Install the upper engine mount bracket bolts.
  2.  
  3. Install the starter motor.
  4.  
  5. Slowly let the second floor jack down to release the support of the transaxle. Make sure that the engine mount bolts are tight and holding the transaxle/engine weight.
  6.  
  7. Lower the vehicle and install the dipstick.
  8.  
  9. Connect the negative (-) battery cable.
  10.  
  11. Refill the engine with oil, start the engine, and check for leaks.
  12.  

3.3L and 3.8L 3.0L Engines

See Figures 19, 20 and 21

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Remove the engine oil dipstick.
  4.  
  5. Raise the front of the vehicle and safely support on jackstands.
  6.  
  7. Drain the engine oil into a large container.
  8.  
  9. Support the pan and remove the oil pan mounting bolts.
  10.  
  11. Lower and remove the pan. Remove the old gasket.
  12.  
  13. Set a large pan or a similar container under the engine since it will continue to drip oil.
  14.  



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Fig. Fig. 19: Oil pump pick-up tube-3.3L and 3.8L engines



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Fig. Fig. 20: Oil pan sealing using Mopar® silicone rubber adhesive sealant-3.3L and 3.8L engines



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Fig. Fig. 21: Make certain that the new oil pan gasket is correctly installed-3.3L and 3.8L engines

To install:
  1. Clean the oil pan in solvent and wipe dry with a clean cloth. Clean all old gasket material or old sealant from the mounting surfaces of the pan and engine block.
  2.  
  3. Inspect the oil drain plug and plug hole for stripped or damaged threads and repair if needed. Install a new drain plug washer. Tighten the oil drain plug to 20 ft. lbs. (27 Nm).
  4.  
  5. Inspect the oil pan mounting flange for bends or distortion. Straighten the flange if necessary.
  6.  
  7. Clean the oil screen and pipe in clean solvent. Inspect the condition of the screen.
  8.  
  9. If removed, install the oil pick-up tube into the chain case cover and tighten the mounting bolt to 21 ft. lbs. (28 Nm).
  10.  
  11. Apply a 1 / 8 in. (3.2mm) bead of Mopar® silicone rubber adhesive sealant or the equivalent at the parting line of the chain case cover and the rear seal retainer.
  12.  
  13. Use a new pan gasket and install the oil pan tot he underside of the engine. Tighten the mounting bolts to 17 ft. lbs. (23 Nm).
  14.  
  15. Lower the vehicle and install the dipstick.
  16.  
  17. Connect the negative (-) battery cable.
  18.  
  19. Refill the engine with oil, start the engine, and check for leaks.
  20.  

 
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