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GMC Sierra: Problems & Solutions - READ ONLY

1492 messages,  Last post on Oct 12, 2006 at 5:32 AM

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What is this discussion about? GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck

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#1204 of 1492 Engine Swap by mhggmc Oct 23, 2005 (10:12 am)
I bought my self a 1996 sierra 1500 earlier this year when i bought it it was in great shape a few weeks ago it started making banging sounds so I took it to my local auto hoby shop and dropped the oil pan so as to chek the rod bearings. lo and behold the bearings were the problem and were just about to spin. i check my crankshaft and found that it was also mangled beyond repair. my truck came stock with a 4.3L V6 but now i want to drop in a 5.7L V8. i found one for a good price and was wondering which parts would be compatible between the engines. I know the trans. will work for the 5.7 but i want to know a bout the fly wheel. all help will be appreciated -Matt
#1205 of 1492 96 GMC will not star when wet by mikeo4 Oct 24, 2005 (10:06 am)
I have a 96 GMC with a 350. When the night is damp or it rains It may take several attempts to start and then it will run fine. At times it will not start until I get home after a dry day and it starts right up. It always turns over fine. I replaced the cap and rotor but it happen again. Wires are about 3 years 50,000 old. (Some one mentioned a "pick-up coil" that may be in the distributor. Is that valid.) Anything else? I had the fuel pump and filter replaced about 100,000 miles ago. Again it just to be when it's damp outside. Replies to this message: old_sailor (Oct 25, 2005 5:14 pm)
#1206 of 1492 Re: 96 GMC will not star when wet [mikeo4] by old_sailor Oct 25, 2005 (5:14 pm)
Replying to: mikeo4 (Oct 24, 2005 10:06 am) When I had the same problem with my old truck, I had to change out the plug wires and the distributor cap. Since you have already changed the cap. I would replace the plug wires. And if the fuel filter is 100,000 miles old, you might want to replace that while you are at it. I don't know about the pickup coil, but since you are replacing the rest, you might as well replace that as well.
#1207 of 1492 99 GMC Sierra window by suswoman Oct 26, 2005 (6:57 pm)
Help! The driver side window will not raise up. After taking the door apart I found the cable that operates the window snapped in two. Is it possible to do a temporary fix, until I can raise the funds to take the truck to the shop? Or, is it possible for me to buy and replace the cable myself? Any info. will be greatly appreciated. Replies to this message: old_sailor (Oct 27, 2005 10:57 am)
#1208 of 1492 Re: 99 GMC Sierra window [suswoman] by old_sailor Oct 27, 2005 (10:57 am)
Replying to: suswoman (Oct 26, 2005 6:57 pm) You can replace the window cable yourself, but it can be tricky. I would suggest going to your local wrecking/salvage yards and finding a similar truck with the door and window intact, then either watch as the salvage yard employee takes the cable from the door, or better yet, get permission to remove it yourself. This will give you a better idea of how it should go into your own truck door. I hope this helps.
#1210 of 1492 GMC Sierra Denali 6.0 coolant ? by runtuff Oct 27, 2005 (4:01 pm)
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?? Replies to this message: noobie1 (Oct 28, 2005 4:12 pm)
#1211 of 1492 Re: GMC Sierra Denali 6.0 coolant ? [runtuff] by noobie1 Oct 28, 2005 (4:12 pm)
Replying to: runtuff (Oct 27, 2005 4:01 pm) The only thing I can find in the Shop Manual is this on Page 6-1475 under, " Draining and Filling Cooling System".      " 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
#1212 of 1492 2001 Sierra Brake Problem by joeob Oct 29, 2005 (6:27 am)
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. Replies to this message: gmcjoe (Oct 29, 2005 3:51 pm) sierra4 (Dec 10, 2005 2:34 pm) mikec8 (Dec 14, 2005 5:33 pm)
#1213 of 1492 Re: 2001 Sierra Brake Problem [joeob] by gmcjoe Oct 29, 2005 (3:51 pm)
Replying to: joeob (Oct 29, 2005 6:27 am) It sure sounds like you have the low-speed anti-lock brake activation issue. I've already received my notiice for my 2000 Sierra, but fixed it myself awhile ago. It used to drive me crazy!   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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