Loss of coolant no visible leak, coolant is seeping into heads due to faulty castech heads used by gm in the manufacturing of these trucks.
2001 Chevrolet Silverado 1500 engine complaints
Page 2 of 2: complaints 11 to 28 of 28, newest first, as owners wrote them.
Two of the factory exhaust manifold bolts are broken on the drivers side of the engine, the back two nearest the fire wall. There is an exhaust leak due to the factory exhaust manifold bolts breaking off, and the manifold is leaking exhaust which is very close to the firewall material which I am worried that might catch on fire. Gm should have a recall on these exhaust manifold bolts on silverados to fix and repair them.
This truck has several exhaust header bolts that are breaking off. This is a major defect and should be a recall to replace the exhaust header bolts they should not be breaking off and they are causing emission errors and needing major repairs.
Exhaust manifold bolts breaking off leaving studs in the heads gm is not standing behind this issue. This is causing co release, high heat in the engine compartment, noise, and an expense that I should not pay for. Some states are not accepting these vehicles now for not meeting the emission standards please look in to this. It is a safety hazard.
Normal driving less than 10 miles. The failures are many and often. Transmission failures every few thousand miles. Always leaks trans flds all over streets and driveways. Service engine light on. Chevrolet dealer erased failure and diagnostic codes to gouge consumer, many times. Parking brake cable snapped in two on driveway. Abs failures at low speeds and engine klacks loud when starting. I am original owner of a defective 2001 chevrolet silverado. The last time gmpp with gm dealer repair the underwarranty repairs took 6 weeks there are only 26.000 miles on this truck. Obviously this is a defect in its design and application. (see ptior complaints) tires flew off, altering of service contracts on and on.
On certain models of the silverado there in a engine noise due to failure of position skirts and will eventually cause loss of power more emissions and gm will do nothing about this problem.
Tl*the contact owns a 2001 chevrolet silverado 1500. While driving at any speed or while making a turn, the vehicle stalls intermittently and has to be restarted. The vehicle was taken to the dealer four times, but they cannot duplicate the failure. There were no recalls available. The current mileage was 86,000 and failure mileage was 15,000. Updated 02-19-08 *bf updated 02/14/08
The consumer requested assistance for 15 failures and or problems with gm 2001 chevy truck. *bf the steering rod assembly would pop when the steering wheel was turned, the shifter boot ripped immediately, the tailgate straps broke and bent the tailgate, the pcv valve was using 4 quarts of oil and the dealer was unable to find the problem, the battery exploded at 40k miles, the right rear brake on the inside had worn down the metal, the lights on the stereo burned out, the lights had burned out, the valve cover were leaking oil before 100k miles, the fur wheel drive switch had broken at 50k miles, the transmission did not shift at 1k miles and the dealers were unable to find the problem, the engine experienced a pre-ignition knock and the dealer was unable to find the problem, the driver's seat controls ripped at 60k miles, the transmission had complete gone out at 118k miles and the seat belts latch system had become defective.
Parking brake, day time running lights, o2 sensor, uel gauge .
Parking brake hasn't worked since around 20000 miles, brake will depress, but won't keep truck from rolling. Loud piston slap, knocking from engine mostly when engine is cold, goes away after warmed up. This is a z71 and the 4 wheel drive buttons do not work all the time when trying to put into 4 wheel drive. Power mirrors don't work a lot of the time. At least one of the front running lights stay burned out most of the time. Truck is out of warranty now but these problems have existed for a long time. A lot of other trucks of this same model have all the same problems. Gm should address these problems and make them right at no cost to the consumer.
Nothing but problems with truck. First was the slip yoke in the drive shaft, felt like tranny was slipping from take off at start position. Replaced under warranty.*ak anti-lock brakes would come on with every stop. Usually at very slow speeds, causing truck to exceed 5-10 ft further than it should have. Had front wheel bearing replaced, fixed for some time doing it again. Also in the mean time, had to have all brakes and rotors replaced. Brake system is awful. This could cause accidents. Also, has cold engine knock, very loud knock, not a normal knock. Something isnt right with this. Done this since a little over 20,000 miles, worse when temperatures outside are low. Had to have 4x4 switch on dash replaced. Kept getting service 4wd unit. Out of warranty at this time. I know of at least 4 other with all same problems. Still nothing done with gm, something should be done. Especially with the brake system. Safety hazard.
While proceeding to enter the highway driver accelerated and without warning the vehicle stalled repeatedly. Consumer had to pull off the exit ramp. *ak engine pinging since purchase of vehicle but was told this was normal. However when driving 30-40 MPH engine will ping loudly then stall.
Piston slap, this is a low end knock that mostly occurs during cold start up and goes away within the fist couple of minutes. This is a continuing problem. The tick / knock that is not normal.
The vehicle had been driven for about 15 minutes, consumer shut off engine. Next consumer was called by a neighbor stating vehicle had caught fire. Fire totaled the vehicle. Fire department stated fire started behind steering column. Please provide any further information. Ts
Engine has unknown knocking/rattling when first starting vehicle, and could be heard throughout normal driving during daytime. Dealership has looked at truck, and determined it to be piston slap, and gave consumer literature. Please describe details.
Engine is proned to knocking either when cold start or intermittent travel. Owner has taken truck to dealership with the response from them "this is an inherent problem". Please describe details.
Initial start of motor has a cold crank noise, once motor gets hot it has a tapping sound. *jg
Van won't run, I have taken to three different dealerships and they cannot correct the problem. No safety defect.
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