GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Timing Belts

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INSPECTION



See Figures 1 through 6

Vehicles equipped with the 3.4L (VIN X) engine are the only vehicles covered by this information which utilize a timing belt. The timing belt should be inspected for cracks, wear and other damage at 60,000 miles (100,000 km) and then every 15,000 miles (25,000 km). Replace the belt and/or tensioner as needed.

For the timing belt removal and installation procedure, please refer to Engine & Engine Overhaul of this repair guide.



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Fig. Fig. 1: Do not bend, twist or turn the timing belt inside out. Never allow oil, water or steam to contact the belt



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Fig. Fig. 2: Check for premature parting of the belt



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Fig. Fig. 3: Check if the teeth are cracked or damaged



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Fig. Fig. 4: Look for noticeable cracks or wear on the belt face



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Fig. Fig. 5: You may only have damage on one side of the belt; if so, the guide could be the culprit



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Fig. Fig. 6: Foreign materials can get in between the teeth and cause damage

 
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