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 MANUALSJEEP1987WAGONEER BASE, 2.5 H, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL2.5L 4-CYL - VIN [H]OVERHAULPISTON & ROD ASSEMBLYINSTALLATION
1987 Jeep Wagoneer Base, 2.5 H, Automatic
Piston & Rod Assembly: Installation
1987 Jeep Wagoneer Base, 2.5 H, AutomaticSECTION Installation
- Measure ring gap. Install rings on piston and measure ring side clearance with feeler gauge. Ring gaps should be positioned as illustrated. See Fig 1. Lubricate journals and bearing inserts with a thin film of engine oil.
- Insert rod and piston assembly into cylinder so that arrows on top of piston face toward front of engine. Position connecting rod with upper bearing insert into place against crankshaft journal. Install lower bearing insert and cap. Tighten cap nuts. Reverse removal procedure to complete installation.
NOTE:
Arrows on top of piston must point toward front of engine. Oil squirt holes in rod must face camshaft when installed.
RENDER: 1.0x
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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.