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.
1995 Buick LeSabre V6-3.8L VIN KFACTORY OEM SERVICE PROCEDURE
Engine Control Module: Service and Repair
REMOVE OR DISCONNECT
^ Disable Supplemental Inflatable Restraint (SIR) system.
1. Powertrain Control Module (PCM) connectors.
2. PCM.
^ Pull bottom of PCM rearward over locking tabs and downward to remove.
INSTALL OR CONNECT
1. PCM into bracket, making sure PCM is up over locking tabs and locks into place.
2. PCM connectors.
^ Enable SIR system.
^ Disable Supplemental Inflatable Restraint (SIR) system.
1. Powertrain Control Module (PCM) connectors.
2. PCM.
^ Pull bottom of PCM rearward over locking tabs and downward to remove.
INSTALL OR CONNECT
1. PCM into bracket, making sure PCM is up over locking tabs and locks into place.
2. PCM connectors.
^ Enable SIR system.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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