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 MANUALSGMC1995C3500 HD 6.5 F, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 62 (ENGINE CONTROLS - REMOVE/INSTALL/OVERHAUL - 5.9L DIESEL)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULE (PCM)REMOVAL & INSTALLATION
1995 GMC C3500 HD 6.5 F, Automatic
Removal & Installation
1995 GMC C3500 HD 6.5 F, AutomaticSECTION Removal & Installation
WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect negative battery cables. Disconnect electrical connector from PCM. The PCM is located in engine compartment on passenger's side rear corner of the firewall. Remove mounting bolts and PCM.
- To install, reverse removal procedure. Tighten mounting bolts and electrical connector retaining bolt to specification. See TORQUE 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.