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Chevy Uplander/Pontiac Montana SV6/Saturn Relay/Buick Terraza

2925 messages,  Last post on Jan 21, 2012 at 12:26 PM

You are in the Chevrolet Uplander Forum.

What is this discussion about? Chevrolet Uplander, Pontiac Montana, Saturn Relay, Buick Terraza, Pontiac Montana SV6, Van

Messages Page 278 of 293

#2767 of 2925 Trouble Spots by morewasabi

Jan 18, 2007 (8:44 am)

2005-2006 Buick Terraza: Reliability
Trouble Spots
 
Here's a good link and list of know problems with the GM vans. In this case the Buick. I am sure it fits true for all of its sister models.
 
http://consumerguideauto.howstuffworks.com/2005-to-2006-buick-terraza-2.htm
 
Check-engine light: The check engine light may come on due to failure of the EGR valve. The Delphi valve is to be replaced with a Seimens valve kit and have the PCM flashed. (2005-06)
Electrical problem: The PCM was being replaced for a defective chip under a voluntary emissions recall because it affected the fuel pump and EGR system. (2005)
 
Electrical problem: If the OnStar system quits or won't come on (no power), but comes back to life if the fuse is removed for five minutes, the vehicle communications interface module must be replaced or else the problem will recur. (2005-06)
 
Engine noise: A whistling noise from the 3.5L engine during acceleration is corrected by replacing the PCV tube. (2005)
 
Engine stalling: The engine may not start, may start then quit, and/or assorted warning lights may glow because the wiring connector under the driver seat may get wet and the contacts corrode. (2005-06)
 
Fuel gauge: The engine may not start or may stall because the tank is empty yet the gauge shows fuel remaining, or the fuel gauge will not show full after refilling due to sulfur corrosion of the fuel level sender and if after treating with Fuel System Cleaner PLUS the problem remains, the sender may need to be replaced. (2005-06)
 
Headlights: The headlights and interior lights may flicker requiring replacement of the alternator. (2005)
 
Horn: The horn may require extra pressure on some spots of the steering wheel pad. Softer springs are available to retrofit. (2005-06)
 
Consumer Guide® Estimated Repair Costs
 
This table lists costs of likely repairs for comparison with other vehicles. The dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the typical repair without extras or add-ons. Like the pricing information, replacement costs can vary widely depending on region. Expect charges at a new-car dealership to be slightly higher.
 
Item Name Repair Cost
 
A/C Compressor $855
Alternator $610
Automatic Transmission or Transaxle $3,240
Brakes $540
Clutch, Pressure Plate, Bearing
Constant Velocity Joints $1,520
Exhaust System $540
Radiator $650
Shocks and/or Struts $930
Timing Chain or Belt $760
NHTSA Recall History
 
2005 Terraza: The emergency brake may not fully disengage when released, causing unintended braking while accelerating, decelerating, or coasting. Dealer will inspect the parking brake lever and replace the rear brake calipers as necessary.
 
2005 Terraza: When parking brake is released, driver may notice unintended braking while accelerating, decelerating or coasting, accompanied by noise from rear of car.
 
2006 Terraza: Some vehicles may have a misprinted tire and loading label that lists inaccurate capacity weights. Dealer will replace the label.

#2768 of 2925 Re: Uplander Stupid Glitches [gagre] by terraza_owner

Jan 19, 2007 (4:17 pm)

Replying to: gagre (Jul 29, 2006 9:30 am)
Haven't been to the forum for quite a while but I too had the same experience with my brakes as I drove through the Allegheny Mountains in PA. However, when the downward incline is not so great, the brakes work fine--and they run normally on relatively level ground.

#2772 of 2925 Re: 99 Transport (Montana) [99transportonr] by ctdisneyana

Jan 22, 2007 (11:00 am)

Replying to: 99transportonr (Dec 12, 2006 8:21 pm)
That vintage van, up to 2000, has problems with the EPC (electronic pressure control)solinoid. The part is around $100.00, but the labor is almost 7 hours. The transaxle side cover hase to be removed and that process is quite involved. The problem can be verified by checking for trouble codes first and following the flow chart for the circuit. The problem you describe I would give a 99% chance of it being the EPC solinoid. My service facility changed quite a few of these solinoids. For the most part though, that transaxle was dependable.

#2773 of 2925 "Flickering Lights" TSB by claires HOST

Jan 22, 2007 (8:29 pm)

Since this is something other owners might be looking for, I've moved these posts to a new discussion:
 
Uplander/Montana/Relay/Terraza TSBs and Problem Codes

#2774 of 2925 Fuel Pump Problem by dave_justdave

Feb 03, 2007 (1:52 pm)

We have an 06 Terrazza and out of the blue, just had to have the fuel pump replaced. Vehicle would crank but not start, had to have it towed to the dealership for the repair, so a heads-up to all Terrazza owners....possibly others as well of course. Dave

#2775 of 2925 A Quick Question?? by dave_justdave

Feb 04, 2007 (2:26 pm)

Anyone know where the fuse is for the Rear Seat Entertainment System (DVD Player)? Everything else is working fine but that so it must be the fuse. I opened the interior fuse panel at the end of the dash (passenger side) and there is nothing marked for the DVD Player or RSE system, just a fuse for the radio and it works fine? Can anyone help - save me a trip back to the Dealer????
Thanks,
Dave

#2776 of 2925 Re: Fuel Pump Problem [dave_justdave] by morewasabi

Feb 06, 2007 (10:57 pm)

Replying to: dave_justdave (Feb 03, 2007 1:52 pm)
Dave there was similar problem with fuel pumps caused by a faulty PCM (Power Control Module). Did you get your work done under warranty?
 
Electrical problem: The PCM was being replaced for a defective chip under a voluntary emissions recall because it affected the fuel pump and EGR system. (2005)

Messages Page 278 of 293

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