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 MANUALSDODGE AND RAM1982400 L4-135 2.2L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINEOIL PUMP, ENGINE
1982 Dodge and Ram 400 L4-135 2.2L SOHC
Oil Pump, Engine
1982 Dodge and Ram 400 L4-135 2.2L SOHCSECTION Oil Pump, Engine
| Rotor Backlash | 0.010 Note: Maximum inner & outer rotor tip clearance. |
| Rotor To Body Clearance | 0.001-0.003 Note: Maximum clearance between inner and outer rotors and body. |
| Rotor End Play | 0.001-0.004 Note: Measured between pump cover mounting surface and end of gear, using straight edge and feeler gauge. |
| Rotor Diameter | 2.469 Note: (Minimum) |
| Cover Flatness Variation | 0.003 |
| Relief Valve Spring Free Length | 1.95 |
| Spring Pressure Lbs. @ Inches | 20 at 1.34 |
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.