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Buick Rendezvous Maintenance and Repair

2196 messages,  Last post on Nov 28, 2009 at 1:37 PM

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#2187 of 2196 Re: 2003 Buick Rendezvous Cooling Fans [arthurleonard] by ray80 Sep 29, 2009 (7:58 am)
Replying to: arthurleonard (Sep 28, 2009 6:15 pm) I've seen this asked a number of times, and usually (unless it really gets into red zone without fans coming on) it is working as designed. In my Pontiac version it has to get really close to red zone before fans come on, just a bit un-nerving to see the needle that high. Both fans are supposed to come on anytime the A/C is used. Replies to this message: arthurleonard (Sep 29, 2009 8:48 am) bxd (Sep 29, 2009 9:11 am) ray80 (Sep 29, 2009 10:23 am)
#2188 of 2196 Re: 2003 Buick Rendezvous Cooling Fans [ray80] by arthurleonard Sep 29, 2009 (8:48 am)
Replying to: ray80 (Sep 29, 2009 7:58 am) Thanks for the help. Since I am still trying to payoff this vehicle, I will probably take a wait and see approach. Replies to this message: bxd (Sep 29, 2009 9:11 am) ray80 (Sep 29, 2009 10:23 am)
#2189 of 2196 Re: 2003 Buick Rendezvous Cooling Fans [arthurleonard] by bxd Sep 29, 2009 (9:11 am)
Replying to: arthurleonard (Sep 29, 2009 8:48 am) Here is one more possibility for you guys.   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. Replies to this message: ray80 (Sep 29, 2009 10:23 am)
#2190 of 2196 Re: 2003 Buick Rendezvous Cooling Fans [bxd] by ray80 Sep 29, 2009 (10:23 am)
Replying to: bxd (Sep 29, 2009 9:11 am) 'So - in summary - the needle should not hang out near the red zone, that's not normal'   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.
#2191 of 2196 Re: Low Tire Warning [dale44139] by dmbdawg41 Oct 13, 2009 (1:03 pm)
Replying to: dale44139 (Feb 07, 2006 11:27 am) Hi, do you remember how you fixed the low tire pressure problem? I'm having the same problem... Replies to this message: iggy_junior (Nov 10, 2009 3:43 pm)
#2192 of 2196 engine light codes by dtcan Nov 05, 2009 (6:34 am)
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 Replies to this message: ray80 (Nov 05, 2009 10:18 am)
#2193 of 2196 Re: engine light codes [dtcan] by ray80 Nov 05, 2009 (10:18 am)
Replying to: dtcan (Nov 05, 2009 6:34 am) Hhmm since your putting on KMs, safe to assume you are in Canada? I believe the pictures (also assuming its a vous that was originaly in Canada) may be different then in the states. If you describe the pics (and color of background) it may help determine what they may be. If I can get a link to work, here is an online version of owners manual (its for 2007, but may not be much different)   manual title
#2194 of 2196 Re: Low Tire Warning [dmbdawg41] by iggy_junior Nov 10, 2009 (3:43 pm)
Replying to: dmbdawg41 (Oct 13, 2009 1:03 pm) on the dash to the left and down push the drive center button mode the when you get to tire presure click on set , ive notice on mine if it came on often it was there was a problem with traction, iether from low air , or im my case was a bad allingment , go figuer
#2196 of 2196 Re: 2005 rendezvous stalling : HELP !! [amseidl] by ocleanx Nov 28, 2009 (1:37 pm)
Replying to: amseidl (Oct 21, 2005 4:42 pm) Hi Amseidl, I would start by checking 2 things. The first is the "mass air flow sensor" and the second is catalytic converter. The mass air flow sensor can be faulty even if there is no code. Check several forums for "How to test mass air flow sensor" or talk to knowledgeable technicians. If your catalytic converter is clogged, you car will run poorly and continue to stall. Both items dealers often over look unless there is a code. If you are getting poor gas mileage, these 2 things can also be the problem. You can buy the mass air flow sensor at Auto Zone for $100 with core trade in. It is very easy and quick to replace. Hope this helps.

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