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.
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HOMESERVICE MANUALSMITSUBISHI1995MONTERO LS, AUTOMATIC, V4AW3REPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - V4AW3COMPONENT DISASSEMBLY & REASSEMBLYOIL PUMPCLEANING & INSPECTION
1995 Mitsubishi Montero LS, Automatic, V4AW3
Cleaning & Inspection
1995 Mitsubishi Montero LS, Automatic, V4AW3SECTION Cleaning & Inspection
- Clean all components in solvent. Dry with compressed air. Inspect contacting surfaces between body and driven gear for wear. Check gears for wear and body crescent for damage. Check pump gear contacting surface on stator shaft for damage and wear.
- Measure inside diameter of oil pump body and stator shaft bushings. Measure driven gear-to-housing clearance and gear tip clearance. Using feeler gauge and straightedge, measure gear side clearance between pump body face and top of gears. See Figure -Figure . See OIL PUMP CLEARANCE SPECIFICATIONS table.
- If clearance(s) are not within specifications, replace worn component(s). Pump gears must be replaced as a matched set. If bushing diameter exceeds specification, oil pump body or stator shaft must be replaced.
OIL PUMP CLEARANCE SPECIFICATIONS
| Application | Standard In. (mm) | Maximum In. (mm) | |||
|---|---|---|---|---|---|
| Gear-To-Body | .003-.006 (.07-.15) | .012 (.30) | |||
| Gear Tip Clearance | .004-.006 (.11-.14) | .012 (.30) | |||
| Gear Side Clearance | .0008-.0020 (.020-.050) | .004 (.10) | |||
| Housing Bushing | (1) | 1.504 (38.19) | |||
| Stator Shaft Bushing | |||||
| Front | (1) | .850 (21.58) | |||
| Rear | (1) | 1.066 (27.08) | |||
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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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.