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Buick Rainier, Chevy TrailBlazer, GMC Envoy

18277 messages,  Last post on Nov 18, 2009 at 6:43 AM

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What is this discussion about? Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, GMC Envoy XL, Isuzu Ascender, Oldsmobile Bravada, SUV

#16832 of 18277 Re: Jerking Wipers [goodstar] by gmfan Jun 16, 2005 (4:52 am)
Replying to: goodstar (Jun 15, 2005 5:32 pm) My wipers on my 02 TB are very loud and even after the wiper recall. I change the blades every 3 months thinking the rubber is bad, and they will continue to "screech" even when plenty of water is beading on the windsheild. What do mean by the wipers "jerked"? My wipers (it must the the motor) are so loud, it is embarrasing at times and I find myself avoiding even wanting to turn them on.   I wonder if we could spray some contact cleaner and/or lubricate on the motor that will not mess with electronics? I also wonder if the wiper arms can be adjusted? I bet Tblazed would know!!   -gmfan Replies to this message: tblazed (Jun 16, 2005 12:34 pm)
#16833 of 18277 Re: Transmission Question [n7don] by gmfan Jun 16, 2005 (4:59 am)
Replying to: n7don (Jun 14, 2005 2:03 pm) It turns out my fluid was overfilled a two pints, and I had Mr. Transmission extract the fluid with a pump for no charge. No harm was done since I drove it only for a few days when it was overfilled. It is shifting better and is launching better than before - It was probably drowning and too much fluid was probably the cause. I thought about having them install a drain plug, but I did not get around to asking them. Did you buy a drain plug adapter and how much did it cost you? I normally service my own cars, but I HATE dropping the pan on any vehicle. The Saturns have a drain plug and a transmission filter that looks like an oil filter on the outside, and servicing is a snap! I don't understand why Chevy does not copy? Replies to this message: n7don (Jun 16, 2005 4:22 pm)
#16834 of 18277 Re: Jerking Wipers [gmfan] by tblazed Jun 16, 2005 (12:34 pm)
Replying to: gmfan (Jun 16, 2005 4:52 am) I wonder if we could spray some contact cleaner and/or lubricate on the motor that will not mess with electronics? I also wonder if the wiper arms can be adjusted? I bet Tblazed would know!!   I obtained a used one some time back before the recall, and took it apart.     It could be disassembled and the rotary arm position switch contacts cleaned and refurbished (which I suspect is what needs to be done if no water collected down in the bottom and damaged the circuit board) but is a messy job since the housing is sealed with a sticky tar-like sealant. Plus getting the wiper motor ass'y out of the vehicle to work on it requires removing the wiper arm plastic nut covers and nuts, pulling the wiper arms off and removing the air inlet grill. Depending how stuck the arms are are on the tapered splined shafts, may have to use a battery terminal puller to pop them loose. I doubt spraying contact cleaner in it would fix it, or that enough cleaner would would get to the parts that need it.   Wiper arms can be adjusted - loosened, moved a little, and retightened to align the position. To do that you would have to pull off the plastic nut covers, loosen or remove the nuts, and loosen the wiper arms from the shafts like described above.
#16835 of 18277 Re: Transmission Question [gmfan] by n7don Jun 16, 2005 (4:22 pm)
Replying to: gmfan (Jun 16, 2005 4:59 am) I have a small Lincoln wire welder. What I've found works best (for me) is to tack-weld a 1/2" nut on a couple of the flats inside the pan. I drill a 1/8" hole as close to the bottom of the nut as possible before welding it to the inside of the pan. That way oil will drain to near the very bottom. I use a copper washer for the seal. I took a few photos of the plug. If I can find them I'll post a link. Drain plugs are available at most parts stores for $5-$6 but I've had problems with them coming loose. Sounds like you're back in business.... and yes, no matter where you put the drain pan oil will go some place else!!
#16836 of 18277 fuel injector service RIPOFF - use REDLINE by 2k_impala_ls Jun 16, 2005 (7:55 pm)
Buy some redline SI-1 fuel injection cleaner. It is better than any dealer treatment and cleans the entire system, not just the injectors. 100% synthetic and does not break down during combustion like stp, gumout, techtron, etc. It is available at advance auto for about $5.99. I put a little in about once a month. read more http://www.redlineoil.com/products_fueladditives.asp http://www.redlineoil.com/whitePaper/15.pdf
#16837 of 18277 Driveshaft maintenance question by pepper50 Jun 16, 2005 (9:53 pm)
I had asked earlier about whether the driveshaft needed to be dropped and lubed on a 2002 Envoy 2WD at the 30,000 service like my dealer wanted to do. I had also asked that question in a GM trucks group and this is an answer I got, but not sure of its relevance to Envoy.:   I don't know about the Envoy, but late model GM trucks have a problem with spline bind at the yoke. Pulling the shaft and lubing the spline/yoke alleviates the problem(for a while).   I have a feeling he's referring to full-size GM trucks, and not these mid-size SUVs, but I don't know. Anyone ever hear of such applying to Envoys or TBs?? Is there a TSB on it or mention in the service manual? Thanks. Replies to this message: burdawg (Jun 17, 2005 6:04 am)
#16838 of 18277 Re: Driveshaft maintenance question [pepper50] by burdawg Jun 17, 2005 (6:04 am)
Replying to: pepper50 (Jun 16, 2005 9:53 pm) Well, maybe. I can see this level of service for something that is exposed to water or dirt often, such going off road often or living in a very wet climate where the universal joint needle bearings or spline shaft could be contaminated. For general purposes though it could be overkill. If you drive on bumpy dirt roads often, you may want to consider it since the spline shaft will get more movement in the transmission tail housing plus will get coated with more dirt/dust, in effect drying it out.
#16839 of 18277 Re: A/C Blower fan speeds 1 - 3 dead [tblazed] by timkite Jun 17, 2005 (9:53 am)
Replying to: tblazed (May 29, 2005 1:27 pm) hi I have similar proble with 03 trailblazer -- the heater when turned on above 2, the heater motor makes a rumbling noise and seems to shake the whole vehicle. Is the motor bad?   thanks Replies to this message: tblazed (Jun 17, 2005 11:56 am)
#16840 of 18277 Re: A/C Blower fan speeds 1 - 3 dead [timkite] by tblazed Jun 17, 2005 (11:56 am)
Replying to: timkite (Jun 17, 2005 9:53 am) Don't know.. that other situation was no power at all to the motor on speeds 1-3 . Probably have to take the blower-motor ass'y out to see what's going on inside. Maybe something fell in through a vent or duct and is rubbing or obstructing the blower.
#16841 of 18277 Re: Wiper blades vs. refills [gmfan] by raleigh Jun 17, 2005 (3:00 pm)
Replying to: gmfan (Jun 07, 2005 4:12 am) I guess everyone has his or her own experiences. I use nothing but Anco and I love 'em. I've tried Bosch, Trico, and others, but in my view, they don't compare to Anco.

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