1998 Buick Riviera Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Buick Riviera

1998 Buick Riviera Problems

ABS accumulater may fail

The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)

Transmission Pressure Control Solenoid Failure May Cause Erratic Shifting

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

AC System Prone to Leaks/Pressure Sensor Failures

The air conditioning system can be prone to refrigerant leaks and failure of one or more pressure sensors. The AC pressure sensors should be checked for proper operation when ever the AC system is serviced.

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1998 Buick Riviera Questions

My AC is blowing hot.. I put a new Orpheus tube and dryer in and added Freon but (1 answer)

Apparently it's not the high pressure side so it has a leak. Well we went to put the uv leak finder in but the low pressure side is reading 120...but i was told until i put freon in it will be high...cani put the freon in so i can put the leak finder? Cuz its auto air

After turning the car off there is a loud hum noise coming from the back left (1 answer)

The loud constant humming noise stops after about 1 minute and will sometimes start up again while just sitting there. Could this be the fuel pump?? It's supercharged and the noise seems to be coming from above the drivers rear tire. Thanks

Car wont start some times then it will (1 answer)

It will start one minute and the next it will

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1998 Buick Riviera Reviews

I bought a 1998 Riviera for my wife new in late 1998. This has been the best car we have ever owned, everything is original and everything works like new. the car now has 142,000 miles 11-8-10. The only thing ever replaced was the normal maintenence items like brakes spark plugs at 100,000, on the 2cnd set of Goodyears, replaced at around 55K, front struts replaced at around 75K. The only bulb ...
Purchased off lease in 2001 with 35,000 miles. Car has been trouble-free mechanically. I've replaced the power windows switch on the driver's side, the struts twice, and the battery. Everything else is routine. I now have 132,000 miles on the car. I did recently have the car repainted. GM's clearcoat failed all over the top of the car at 10 years. I have always had an aggravating highway...

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