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Buick Rainier Electrical Problems

20 messages,  Last post on Jun 16, 2008 at 6:13 AM

You are in the Buick Rainier Forum. Your Hosts are steve_ & tidester

What is this discussion about? Buick Rainier, Buick, Electrical, SUV


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#11 of 20
Rainer Headlights Flicker & A/C Issues, Etc.? by gary8061
Feb 25, 2008 (10:43 am)
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Wondering if anyone else has had an issue with the 2005 Rainer headlights flickering & flashing at night? They first did it after the car was about 8 months old, dealer said it was because I didnt' let the car warm up enough and give it time to cycle through all it's check points? Sounds fishy to me....
Well, it started again 18 months later, at first just a few times per night. Now it is crazy, they flicker so badly it has cars in front of me are wondering why I am flashing my lights like a crazy person.
Does anyone have any idea or has had the same problem?
Have had other problems too....alternator was replaced, A/C & Heating vents not blowing enough air, they've been worked on several times, still a problem. Crazy A/C & Heating unit is terrible to adjust to right temp., it's either blowing hot or cold....always at the wrong time. They can keep these automatic climate control units....just give me the old-fashioned type, they work great. And several other items....
The vehicle had zero issues, not in the shop once (except for service), until it approached 30,000 miles, now it seems we are in the dealer's shop often....Does the Rainier fall about as it ages? Is the future going to be like this?
Any input is appreciated. Thank you.
#12 of 20
Rainier Check Engine Lights by supertuba
Mar 03, 2008 (6:55 pm)
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I have a 2004 rainier that went crazy last night. Yes I had a speedometer that went bad and the shop changed it out without charging me. But does anyone know why the Rainier has two check engine lights? One with a down arrow and one that's just an engine outline? Both went on last night and the car just sat there and idled. I could put it in drive but it wouldn't go faster than 1000 rpms. Once I got it home ( yes Onstar was called and they sent a wrecker), the engine started and I got a gas pedal again! Next morning, it started and no engine lights! Any thoughts?
#13 of 20
Re: Rainier Check Engine Lights [supertuba] by supertuba
Mar 04, 2008 (10:48 am)
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Replying to: supertuba (Mar 03, 2008 6:55 pm)

As a followup, I went to Checker and got the code out of the computer. It's P1680.No one knows what it's suppose to tell me...
#14 of 20
Re: Rainier Check Engine Lights [supertuba] by jchurch
Mar 22, 2008 (12:15 pm)
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Replying to: supertuba (Mar 04, 2008 10:48 am)

My Rainier had all of the gauges stop working, and the driver information center went blank after 50000 miles. I've taken it to the dealer and am looking at $1000 in repairs if I decide to go with it. Still runs fine, just no idea how much gas, oil pressure, or engine temp! Anybody have any ideas?
 
Jed
#15 of 20
Re: Rainer Headlights Flicker & A/C Issues, Etc.? [gary8061] by jblais
Apr 14, 2008 (10:23 am)
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Replying to: gary8061 (Feb 25, 2008 10:43 am)

Couples months ago I had an electrical tourble with my gage, the Alternator batteries gage was reduicing down to 5 amp, the lights were flashing exterior + the dash board. After a scan at Dealer, It appear that my air pump causing this, so I did change the air pump in december 2007. 18 months after (03/2008) same trouble, I did change the pump a second time, 2 weeks after same trouble, Dealer says Buick Rainier has 2 air pump under the hood, nothing to do with the air compressor in the back for the suspension, and the second one is defective also, it's about 600$ each time - Is someone has a solution for me or did someone experimented this trouble ?
#16 of 20
Erratic speedo behaviour by adf2
Apr 22, 2008 (5:42 pm)
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I just bought a 2004 Rainier which has the much-read-about Speedo problem. Sometimes the speedo needle sits below zero at start-up, which always means it won't move at all when driving. Other times it is perfectly normal. Is it a sensor? Is it a cluster? Can it be corrected easily?
 
Help!
#17 of 20
Re: Erratic speedo behaviour [adf2] by medgar
May 26, 2008 (7:19 pm)
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Replying to: adf2 (Apr 22, 2008 5:42 pm)

Our 04 Ranier started having electrical issues about 2 months ago. We had left it parked for 6 days at the airport. Started it up and none of the gauges were functioning. They may operate each time for a day, but then may go several days without working. About 3 weeks ago while driving about 15 mph, the accelerator failed to respond and the tach was locked in at 1000 rpm. After pulling over and restarting, all was well. In the past 10 days, the speedometer and tach have started failing also. Just last night, nothing was working and then it came on while driving. It did that several times.
 
I've checked fused and wire bundle connections but have not been able to find any problem.
#18 of 20
Re: Erratic speedo behaviour [medgar] by adf2
May 27, 2008 (3:43 am)
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Replying to: medgar (May 26, 2008 7:19 pm)

Medgar,
 
My problem was solved by having the garage replace a stepper motor. Now I get smooth speedo needle movement, rather than the eratic, twitchy movements I was getting.
 
Your problem sounds more serious than a simple stepper motor change. I wonder if the whole cluster is in need of changing.
#19 of 20
Re: Rainer Headlights Flicker & A/C Issues, Etc.? [gary8061] by thedrake
Jun 05, 2008 (6:55 am)
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Replying to: gary8061 (Feb 25, 2008 10:43 am)

I also had the problem with flickering headlights on my '04 Rainier. The problem started about 6 months after I got it. I had the truck in the shop 3X for service of this problem, and even had copies of this thread documenting other owners flickering lights but the dealer denied their was a problem. When I bought a new battery after about 3 yrs, that seemed to help, but only temporary, the flickering returned. I returned the Rainier back to GM after my 48 month lease was up.
 
PS. I also hated the automatic climate controls, especially on the windshield defrost setting. It was impossible to adjust the temp, either too hot or too cold.
#20 of 20
Re: Rainer Headlights Flicker & A/C Issues, Etc.? [thedrake] by lizshep
Jun 16, 2008 (6:13 am)
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Replying to: thedrake (Jun 05, 2008 6:55 am)

Hello,
Im having a problem with my 05' Rainier.
The Gas Gauge seems to malfunction. When I fill up the tank to full it will read that it is empty and will continue to fluctuate up and down. This happened a month after I bought it from the dealer and now I am stationed overseas and cant ship my car to my station until this problem is fixed. Anyone else have this problem and know how much it cost them??
Thanks.

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