RepairPal is your advocate for car care advice and guidance

Q: bad alternator on 1995 Chevrolet Corvette ZR-1

how to replace the alternator on 1995 ZR-1 with 32 valve,VIN has a J
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Disconnect battery ground cable, then remove intake air duct.
Remove throttle body extension.
Using a 1/2 inch breaker bar, rotate serpentine drive belt tensioner to release belt tension.
Remove serpentine drive belt from water pump pulley, then remove belt.
Remove alternator lower support bolts and bracket, Fig. 10.
Remove rear support bracket to alternator retaining bolt.
Remove alternator upper support bolts and bracket.
Disconnect electrical connector, then remove oil sender unit.
Disconnect electrical connectors from alternator, then remove alternator from vehicle.
Reverse procedure to install, noting the following:

Apply Loctite 565 or equivalent to threads of alternator mounting bolts prior to installation.
Torque alternator mounting bolts to 19 ft. lbs.
When installing serpentine drive belt, position belt over A/C compressor pulley. Retract belt tensioner using a 1/2 inch drive ratchet and route belt over alternator, crankshaft and power steering pump pulleys, then position belt behind water pump pulley. Ensure belt is properly positioned on pulleys, then pull belt forward onto water pump pulley. Release belt tensioner.
Torque throttle body extension attaching bolts to 53 inch lbs.

this is the procedure in alldata

thanks for using repairpal


obviously the plenum has to come off. The reply above is probably for the lt1 or lt4 engine. All 90-95 zr-1 have the LT5 engine.
Didn't find what you were looking for?