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 MANUALSGMC1995FORWARD CONTROL 4.3 Z, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALENGINE MECHANICAL 6.5L TURBO DIESEL - VIN [F]OVERHAULCYLINDER BLOCK ASSEMBLYTHRUST BEARING
1995 GMC Forward Control 4.3 Z, Standard
Thrust Bearing
1995 GMC Forward Control 4.3 Z, StandardSECTION Thrust Bearing
- Main bearing No. 3 is thrust bearing. Tighten all other main bearing caps to specification. See TORQUE SPECIFICATIONS . Tighten thrust bearing to 10 ft. lbs. (14 N.m). Tap crankshaft rearward then forward.
- Tighten thrust bearing cap to specification. Measure crankshaft end play at front face of thrust bearing. If crankshaft end play is not within specification, replace thrust bearing or crankshaft. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS.
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.