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SUVs Buick Rendezvous Buick Rendezvous Maintenance and Repair
2196 messages, Last post on Nov 28, 2009 at 1:37 PM
You are in the Buick Rendezvous Forum. Your Hosts are steve_ & tidester
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Replying to: jimbo1950 (Sep 01, 2009 6:19 pm) Good Luck. |
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Hi! The odometer and transmission gear indicator are always dim, like in night mode. The digital display under the tach is the same brightness at night (dim) but is much brighter during the day, so is easier to read in daylight. I replace the instrument unit thinking it would correct the problem, but no change. Does anyone know for sure if this is a function of the BCM perhaps, meaning I would have to replace that in order to correct the problem? Thanks for your help! Nick |
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This seems to be a common topic, so maybe someone can help. Neither cooling fan comes on no matter what temperature (although I have not red zoned it). However, both cooling fans come on (at a reduced speed), only when the a/c is turned on. Both fan motors were replaced, as well as all 3 cooling fan relays. I was told that the PCM needed to be check by the dealer. Any other suggestions would be greatly apprecitated.
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Replying to: sal72 (Aug 11, 2009 7:50 pm) Thanks, Arthur |
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Replying to: arthurleonard (Sep 28, 2009 6:15 pm)
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Replying to: ray80 (Sep 29, 2009 7:58 am)
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Replying to: arthurleonard (Sep 29, 2009 8:48 am) The temperature gauge on your dash is fed from a different Coolant Temperature Sensor than what the computer uses to know when to turn on the fans, how fast to idle the engine, how rich to run the A/F ratio, and many other important decisions it has to make based on how hot the engine is running. So its very possible that the sensor for the dash gauge has gotten covered in coolant 'sludge', corroded, or electrical problem with it. It may be showing much hotter than your engine is actually running. You would need a scan tool to see what temperature the computer is seeing. It should be generally around 190-210 (generalizing here). If the computer shows normal temperature, but your gauge is showing hot, that's your culprit. If you can find a local small-shop mechanic, he'd probably charge you very little to hook up the scan tool for 5 minutes when you have your RDV nice and hot so he can check engine coolant temp. So - in summary - the needle should not hang out near the red zone, that's not normal. BUT it may be a problem with incorrect reporting of the temperature rather than an engine that is actually running hot.
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Replying to: bxd (Sep 29, 2009 9:11 am) Well it should not stay near red zone, but it is common for it to go near there when stuck stopped in traffic on a warm day, then go down to normal when moving at a better pace. |
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Replying to: dale44139 (Feb 07, 2006 11:27 am)
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I purchased a 2003 Ren last year and have put a lot of kms on it...had a few major repairs also. Just wondering if anyone out there is familiar with the error pictures that show up in the dash? I don't have an owner's manual to refer to and don't want to take it in if it's not necessary. thanks deb
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