Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSPLYMOUTH1990SUNDANCE BASE, 2D HATCHBACK, 2.5 J, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - A-413 & A-470COMPONENT DISASSEMBLY & REASSEMBLYOIL PUMP ASSEMBLYDISASSEMBLY
1990 Plymouth Sundance Base, 2D Hatchback, 2.5 J, Automatic
Oil Pump Assembly: Disassembly
1990 Plymouth Sundance Base, 2D Hatchback, 2.5 J, AutomaticSECTION Disassembly
Remove attaching bolts and separate reaction shaft support from oil pump body. Mark inner and outer pump gears for reassembly reference. Remove gears from pump body.
OIL PUMP SPECIFICATIONS
| Measurement | In. (mm) |
|---|---|
| Outer Gear-to-Pocket | .002-006(.045-141) |
| Outer Gear I.D.-to-Crescent | .006-006(.045-.141) |
| Outer Gear Side Clearance | .001-.002(.025-.050) |
| Inner Gear O.D.-to-Crescent | .006-.012(.150-.306) |
| Inner Gear Side Clearance | .001-.002(.025-.050) |
- Install the inner and outer gears into the pump body. Using a feeler gauge, measure oil pump clearances as indicated in OIL PUMP SPECIFICATIONSΒ .
- If oil pump clearances are not within specifications, oil pump assembly should be replaced. After clearances have been measured, install reaction shaft support-to-pump body and install attaching bolts.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.