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Avalanche 1500

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My camshaft sensor has gone out repeatedly over the past week.
Have you checked on other items to rule out problems like compression, fuel pressure and the ignition system? Poor fuel delivery or a weak ignition system may cause stalling. A technician can install a scan tool and monitor the values...
Fan motor blower continuously rum.changed resisootor
The blower motor controller is mounted in the right side of the dash near the blower motor. These modules are the most common cause when blower motors keep running. If you replace it, and the motor keeps running, then you...
My engine fan turns off wen ac is on why is that
Your engine fan is a mechanical fan driven by the engine crankshaft damper. If the damper is broken then the crankshaft may turn and not turn the serpentine belts. When you turn on the A/C it puts pressure on the...
Can I drive my car with a dead/low key fob?
You may be able to functionally unlock doors and turn the key in the ignition, however the dead battery may cause other issues that are more of an annoyance such as randomly setting off the car alarm, but it should...
Will a drive shaft from a 93 chevrolet 1500 4×4 fit in a 05 chevrolet avalanche 2wd
The two driveshafts are most likely different lengths due to one being a 4wd and the other 2wd. You could lay them side by side and compare them to see if they are the same, but I doubt that this...
Lost half a tank of fuel in less than 2 miles. the tank is empty. can't see a leak
I would first get a 5 gallon gas can and put it in the tank to see if gas gauge registers the fuel. Then turn on the key and listen for fuel pump operation to see if pump runs. Recheck...
high idle on startup, 2002 Chevrolet Avalanche
Hey there, it looks like you already did a fair amount of work on this. Another thing that you should take a look at is the throttle body. You may have to clean out the throttle body and get the...
Transfer case adapter leak.
There should be an output seal between the transmission and the transfer case has an input seal with a gasket in between. If any of these are bad it may leak transmission fluid. I would recommend having a certified technician,...
Alternator and battery - 2002 Chevrolet Avalanche
Hello. This may be a sign of a failing voltage regulator or potentially a faulty connection somewhere in the charging system causing the light to come on. The voltage regulator is a unit that regulates the charging of the battery...
Won't change into 2nd gear
Hey there. Assuming you replaced the transmission with the same transmission model as original (4L60E), the problem you describe is most likely a problem with the throttle position sensor (which communicates to the transmission controller), or the 2nd gear "apply"...
Oil pressure goes to 0 after 1 minute from start up
The engine specifications are 6 psi below 1000 rpms. It will go up 18 psi at 2000 rpm and 24 psi at 4000 rpm. The instrument panel will illuminate the Low Oil Pressure Light if the pressure is low from...
Yes it was a used transmission and I had a guy that does mechanic work to come and put it in but I am unsure if he did everything
Hello, with a used transmission changing the filter and fluid is a good idea. This gives you a picture of the condition of the transmission internally. There are external seals that should be consider to be replaced. Yes, we do...
Fan blower motor continually runs.
There is no relay on this vehicle for the blower. There is a blower controller on automatic A/C (resistor on manual A/C) and this will control the blower speeds through the A/C control head. You will need to check...
Truck keeps stalling and won't start
Hi, thanks for writing in. A vehicle that cranks normally but doesn't start generally indicates a lack of spark or fuel. The first thing to do is check for diagnostic trouble codes as these codes serve as starting point for...
Transmission gets stuck, reverse issues, delay in shifting
Hello. From your description it sounds like the transmission is beginning to fail. The second clutch pack fails or the sun shell cracks keeping the gear from engaging. I typically remove the transmission pan and inspect the fluid. If there...
Squealing at lower speeds
Hello. If the noise is related to the vehicle going over bumps or imperfections in the road then it is in the suspension. If it occurs when the vehicle is moving then it is something else. If that is the...
Egnine cranks after it is started
Hello. Most of the time this is caused by a bad starter relay. The relay sticks and causes this. It can be hard to diagnose if it is not occurring when it is tested. The relay is fairly cheap so...
Car losing oil, excessive transfer case fluid
Hello. These two systems are separate so they would not be related. If the transfer case is overfilled then it was either filled too high when it was last serviced or water got into it if you have driven through...
Electrical system issues and transmission problems
Hello. If all of these issues started at the same time then it is an electrical issue. From what you are saying it sounds like you have a bad ground connection on the negative battery cable or a failing ignition...
C0281code for brake switch circuit came up and I replaced the brake switch but ABS Light is still on
Hello. The C0281 code is a software-driven code if the ABS module doesn't detect "brake switch release", but sees speeds above 15 mph during the first minutes of operation. Check that the brake light switch is in fact going out...

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