Since purchasing this truck on 02/01/2007, there have been multiple problems with the transmission, engine, and electrical system that have not gotten resolved, however they do seem to get worse. The worst of these problems has occurred while driving on the northeast extension of the Pennsylvania turnpike. While attempting to pass another vehicle in the left lane the engine "shut off". I was doing approx. 60-65 mph when this occurred during the am rush hour. After losing engine power I somehow made it safely to the right hand shoulder and let the truck "coast" to a stop. The power steering was not working, nor were the power brakes. After finally stopping, the truck did restart and I slowly continued on my way to work. The truck was taken to a dealership, and for almost (2) weeks the truck sat there while they tried to figure this out. After getting the truck back, the same problem occurred, and it went back to the same dealership. Since then it has been ok, except I have lost dashboard lights, radio lights, and also the cruise control indicator light, they claim other problems, however these issues were never a problem before they worked on the truck. Now I have air-bag lights flash at me while driving, and the transmission is slipping, this was the first problem with the truck that I reported on 03/14/2007 to the dealership that I purchased this truck from. I have already paid over $1500 I repair costs, only to have them tell me it will cost approx. Another $800-$1000 to correct the air-bag, and transmission issues. These should be covered by my warranty, except the dealership insists I pay for the repairs. I have paid enough, and I am at my wit's end with this truck, and the dealership. I feel that I can no longer "safely" drive my family around in this truck, and I still have many years of payments left. ( I have never been late on a payment) please help me, I feel as though I have been sold a "money pit".

- Zionsville, PA, USA

After purchasing a 2003 in Aug, its now at 80,000 miles as Nov 06, and the speedometer has broken. According to chev, the fuse for speedometer is location in dash and is part of a cluster unit supporting many instrumentation parts. It cost $550 to replace. I worked with chev for a month trying to obtain a clear answer for this defective safety item. All I got was 75,000 mile warranty has expired. I explained that if anything, a speedometer should work for the life of the car. Six calls later and plenty of "ill get back with you", chev would not stand up to any repair or review of this faulty item at their expense. I would like to know if any other reports on this item have be found and if any recourse is available to consumers with this issue"?" thank you.

- San Antonio, TX, USA

2003 Chevy Avalanche - 48K miles. While driving, the speedometer "ticks" somewhat like a watch and does not measure accurate speed. The speedometer will slowly reduce to zero, even though the vehicle is still moving.

- Northville, MI, USA

2003 Chevrolet Avalanche; my speedometer suddenly quit working. The readings are crazy, showing that I am going over 100 mph when I am only going about 50 mph. At one stop sign, the speedometer insisted I was going 120 mph! this situation is dangerous.

- Mansfield, TX, USA

About 3 weeks ago my speedometer needle started going haywire. Some days it works and some it don't. when it isn't working it will say I am doing 30 when I am really doing 70 or I can come to a stop and it says I am doing 20 mph. This is a genuine safety hazard and there needs to be a recall done asap. I have read many other complaints regarding the same problem and they all have seemed to start over the last few months which is right after the 3 year warranty for most of us. My truck has 80K miles on it and I am not about to pay $500 for a safety hazard that GM should pay for.

- Athens, AL, USA

2003 Chevrolet Avalanche, Z71 package. The speedometer on the vehicle sporadically stops working or sticks on a particular speed. The dial is not accurate and I cannot tell how fast I am going.

- Perrysburg, OH, USA

I have a 2003 Chevy Avalanche the speedometer show when I am at a full stop it is going 30mph. I have no way of knowing how fast I am going. I only have 50,000 miles.

- Higley, AZ, USA

Speedometer reads erratically. Yesterday "0" was 30 mph. Each time I start the vehicle "0" is something different.

- Clover, SC, USA

Speedometer malfunctions. Sticks at different speeds... +10 mph, +30 mph, +60 mph etc. Will reset itself after various amounts of times. Minutes to days later.

- Clermont, FL, USA

2003 Chevy Avalanche Z66 speedometer failure, seems like a very common problem and should be addressed by the manufacturer with recall.

- Valley Park, MO, USA

Speedometer cluster fails in many of the GM trucks, requiring a new gauge cluster..

- Roseville, CA, USA

My 2003 Chevy Avalanche 1500 speedometer reads 30 mph when I'm driving at 70 mph. After I stopped the truck, shut off motor and took key out of ignition and restarted truck and began driving, speedometer read correctly again. Later, same day, speedometer started reading 25 mph when I was driving at 70 mph with traffic, had to gauge speed with trucks tach. Same fix worked again. Please go to web site topix.net, there are 30 more people like myself with the same problem with their Chevy Avalanche/Tahoe/Suburban speedometer.

- Washington, UT, USA

Speedometer not working properly. Driving in 40 miles speed limit and the speedometer reads 120. Speedometer does not reset to 0 when stopped. No injuries, no crashes but with the speedometer defective could cause accident and possible injury.

- Indianapolis, IN, USA

Pick a problem. Pin from transmission gears were too short from the manufacturer, causing the transmission to not shift properly. This repair was done at 8000 miles. 4 quarts. Low on oil within month of changing. No leaks and no explanation from the dealer as to where the oil went. A/C functioned improperly after truck surged at traffic light. Still no explanation. Remote entry works when it wants to. Interior lights pulse when truck idiling. Heater motor functions according to speed of vehicle, slow when braking and speeds up when accelerating. Drivers power window stopped functioning and started working the evening before taking it to the dealership for repair. Popping noise from exhaust just after starting and shutting off. From inside the vehicle while running I continuously hear cooling fluids flowing. Sometimes the horn does not function while the vehicle is turned off. Braking has always been a problem from day one. Always feels as there isn't enough brake pressure to stop in a normal distance. Along with the remote entry not working the personal presets for driver 1 most of the time do not operate with the remote entry. I have to select driver 1 from the interior to engage settings. Bed plastics are fading. Buttons for radio on the steering wheel and radio are flaking.

- Wilmington, DE, USA

Windsheld wipers will not respond to switch. I've been told by GM service managers that GM got a batch of bad motors. I've tried the 800-222-1020 number and was told tough out of warrenty. My steering column has a clicking vibreating noise and feel when turning. I'm told again by the service mgrs. That a number of GM products have the same problem but it is not a safety issue."it's a lubercation problum causing the noise and again tough. The wiper motor costs $325 and the steering column another $300. My car is 2 years old with 93000 mi. The spark plugs are suppost to last 100,000. Why is every thing else falling apart? I was told they would send me a loyal customer discount for a new GM no way. I'll buy a Toyota Tundra next time if I can't get some restitution from GM.

- Cordova, TN, USA

All gauges, warning lights, radio, and heat/air controls start changing on their own, quit working and don't work properly while driving. At times it smells like something is burning. Dealer have replaced alot of warning sensors, replaced instrument cluster twice, fuel sending unit, checked all the main ground points of wiring. Dealer has the old parts. I'm still having the same problems they are still not fixed.

- Jonesboro, AR, USA