2004 Buick Rainier Questions

All 2004 Buick Rainier Questions

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MT PUMP WILL RUN ALL THE TIME I HAD TO UNPLUG IT. IS PUMP SHOT OR IS THERE A RELAY THAT MIGHT NEED REPLACING?
fuel mieage on local & highway, using high or low grade fuel, increasingly getting worse. Bought from dealer 1 year ago doing 16.0mpg, now down to 14.2mpg. no signs anywhere. mechanics won't look at it without a code ...
SUV is stuck in AWD and will not return to 2WD. What is the problem and how do I fix this?
While driving with the air conditioner on, the vehicle feels like it wants to turn off & when I stop at the light it does. It runs fine without the air conditioner on. What is causing this? It just started happening.
Water coming from underneath dash into rug in the passenger side,not sure if its heater core or air condition problem.
The entire rear end of my buick drops. It does not always drop only sometimes after it has not been driven. Once I turn on the car the compressor pumps it back up. It used to take hours to drop and now takes less time...
It appears the air conditioning is dumping a large amount of water (something) into the front right passenger side of the vehicle. When this first happened, the mechanic straightened a hose out that was crinked to th...
I have a 2004 Rainier with AWD/5.3L V-8 and when I reach 25-30 mph there is a humming like sound that almost sounds like the tranny is stuck. I filled my AWD transfer case and the noise is still there, could this be t...
I suspect awd stuck on when going slow and try turning on dry pavement front end shudders and vehicle barely moves. both directions. seem to have no others problems when driving. I would guess that this is sensor cont...
I'm told it will cost approximately $700 to get shocks repaired. However, a friend tells me this is totally wrong and it will cost $700 for some type of hydraulic air lift? Please help. I'm told it will cost approx...
Can you give me an idea where I might find brake sensors on a Buick Rainer?
Changing the spark plugs and boots on a 2004 Buick Rainier 4.2 Liter straight 6. Need to know how to get to the last two spark plugs. Also, how to get the coil into the boot without overforcing it.
When I put the key in the start position, all the dash lights go out. But a couple of times, when I pushed forward on the shift lever and turned the key to start, the car began turning over, just would not start.. ...
I recently had an oil change and then noticed oil on the garage floor. I took my Rainier (2004 with 115000 miles) back to make sure that everything was tight - and it was. They said that there was alot of oil drippi...
Repair Pal, I’m having a great deal of problem with the brake system on my 2004 Buick Rainer. My ABS, Park Brake lights and service brake system flash across my dash. I had the brake service, brake fluid change and t...