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Pickups Chevrolet Silverado & GMC Sierra GMC Sierra: Problems & Solutions 
1492 messages, Last post on Oct 12, 2006 at 5:32 AM
You are in the Chevrolet Silverado & GMC Sierra Forum. Your Host is kcram
My 2004 Denali's coolant light came on during a long trip. I stopped and added some coolant from a local AutoPalace store. Now people are telling me I should have used a special GMC grade coolant. Do I need to flush the system? Is it ok to mix coolants??
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Replying to: runtuff (Oct 27, 2005 4:01 pm) " Notice: When adding coolant, use Dex-Cool coolant. If silicated coolant is added to the system, premature engine, heater core, or radiator corrosion may result. In addition, the engine coolant will require change sooner - at 50,000 km (30,000 mi) or 24 months." I can't tell you what is meant by "silicated". Regardless, I doubt if your facing imminent failure. Personally though, I wouldn't be comfortable with it. -David |
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I've got a problem with the brakes on my 2001 GMC Sierra. Whenever I'm coming to a rolling stop in traffic or on a parking lot, the brake pedal seizes up and I have two choices: push down really hard and hope that the brakes catch or take my foot off the pedal and put it back down again. Sometimes the second choice totally fixes the problem, but other times the pedal is still stiff and I have to push down really hard to get the brakes to work. I've had it in the shop twice and they can't find anything wrong with it; they took off the wheels and checked the brake pads and even put on new ones, but the problem persists. I'm a pussycat when it comes to the brakes - I never slam down on them and always apply pressure gradually. This is really driving me crazy - I feel like I'm playing Russian Roulette with my brakes. And oh yeah, the vehicle is no longer under warranty. Any help appreciated.
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Replying to: joeob (Oct 29, 2005 6:27 am) Summary: CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES MAY EXPERIENCE UNWANTED ANTILOCK BRAKE SYSTEM (ABS) ACTIVATION. THIS CONDITION IS MORE LIKELY TO OCCUR IN ENVIRONMENTALLY CORROSIVE AREAS. THIS RECALL WILL BE LAUNCHED IN THE "SALT BELT" STATES OF CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WEST VIRGINIA ONLY. Consequence: THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH. Remedy: DEALERS ARE TO REMOVE THE WHEEL SPEED SENSOR AND THOROUGHLY CLEAN THE WHEEL SPEED SENSOR MOUNTING SURFACE ON THE BEARING, APPLY ZINC-X (RUST INHIBITOR) TO THE CLEANED SURFACE, GREASE THE MOUNTING SURFACE, REINSTALL THE WHEEL SPEED SENSOR, AND CHECK THE PEAK-TO-PEAK OUTPUT VOLTAGE TO ENSURE THE WHEEL SPEED SIGNAL IS WITHIN SPECIFICATIONS. THE MANUFACTURER HAS NOT YET PROVIDED AN OWNER NOTIFICATION SCHEDULE. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463. Notes: GM RECALL NO. 05068. CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV. |
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| A couple of months ago i bought a 2002 gmc 2500hd and I really enjoy it. It has the 6.0 vortec engine in it. One day i decided to see what it had and powerbraked it and boy did it smoke the tires on it. I have had a lot of play toys before that I smoked tires with but when I did it in the truck the tires literally came apart. Why DO you think this happened? | |
I have a 1998 GMC SIERRA. With a 5.7L Vortec V-8. I have been having a problem with it not starting up as i turn the key. It cranks for a while and then when i let off and then turn it over again, it will fire off. Just recently it has got an even worse problem that i cannot figure out at all. It absolutly will not fire off at all when i turn the key over. The only way to get it to start is by taking the air box off the top of the throttle body and pouring a little bit of fuel down the throttle body, then when turing to key over it will start. Otherwise without pouring that fuel in it will not start. Then once it is started i can drive it for hours even hundreds of mile without any problems. but once it sits over night or more then a half hour, i must pour fuel into the throttle body to get it to start. And the injectors were brand new as of 8/30/05. This is a serious problem that i need to figure out and get fixed, and i am without a guess as to what it is. I would greatly appreciate it someone could help me. Thank you very much!!
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Replying to: 19gmc98 (Oct 31, 2005 11:01 pm)
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Replying to: old_sailor (Nov 01, 2005 9:38 am) |
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Replying to: peekamoose (Aug 28, 2005 9:51 am) |
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