Please help me to better understand your problem. Are you indicating the shifter will not move into the park position or after leaving part the shifter will not down shift into neutral and into drive?
I suggest removing the panel/console and see if by chance an object maybe restricting movement of the shifter. And or look beneath the vehicle to see if anything is causing the problem.
1995 Buick Riviera Supercharged Coupe FWD
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Maintenance & Repair
My 1995 Buick supercharged Riviera makes this over rev sound when I accelerate past 3,000 RPM. It dose not accelerate any more and I have to go back down below 3,000 RPM and apply the gas gradually. I...
1995 Buick Riviera Supercharged Coupe FWD
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Maintenance & Repair
I have a 65 Riviera 401 that when cold sometimes won't crank when turning the key. Also, same problem after the engine is warm and sometimes have to let it sit for an hour before it will turn over. I ...
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Maintenance & Repair
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Maintenance & Repair
I have a 1998 supercharged Buick Riviera. It won't start. It's sounds like it's about to start and then it's like the spark shuts off. There are no trouble codes or warning lights. There is gas in t...
1998 Buick Riviera Supercharged Coupe FWD
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Maintenance & Repair
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