Showing articles & questions for topic
Avalanche 1500

Related questions

Question
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...
Question
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...
Question
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,...
Question
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...
Question
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"...
Question
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...
Question
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...
Question
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...
Question
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...
Question
I accidentally hit the panic button on the key fob of my 2005 chevy avalanche and now it won't start. I put a new battery in the key fob.
Hi there. Remove the battery cables (+ and -) and then put them back on after 12 minutes. This will clear the computer out and reset the security. Then put the key in the door and as you unlock the...
Question
My car has low oil pressure. I've already changed the oil pressure sensor 3 times.
If you have replaced the sensor three times and it did not fix the problem, then you may have problems with the oil pressure being low at idle due to wear in the engine bearings. The reason it would be...
Question
ABS and brake light is on
If the ABS warning light is on, that means that there are downloadable ABS diagnostic trouble codes, much like the codes you would download if you have a Check Engine Light diagnostic. The ABS trouble codes will give a general...
Question
Possible security system problem. Engine starts and then dies.
The security system would disable the vehicle from starting in the first place and the vehicle would not even turn over. It is unlikely that this is the issue. Do you know that the battery is working? Try to...
Question
My abs and brakes light is on..
Hello. I usually start by checking the brake fluid level and the level sensor. Most of the time when these lights are on together it is because of low fluid. If the fluid level is good and if the sensor...
Question
Service Brake System Light beeps on for a minute then turns off
There is a problem with your brakes or the ABS that is turning this light on. A code reader should tell you what specifically is the problem. Most likely, a wheel speed sensor is dirty or has failed. This is...
Question
Oil pressure loss - 2005 Chevrolet Avalanche
Hello - no, most likely this is the oil pressure relief valve sticking in the "open" position when the pressure comes up. It may then release after sitting a bit, or when you next hit the starter. The early 4.8/5.3...
Question
Ran out of gas, now my car won't stay running.
We can start by assuming the issue is related to spark, fuel, or air. If attributed to fuel, it will be a clogged or weak fuel pump. If the vehicle ran out of gas when this started, you may have...
Question
Low oil pressure - 2002 Chevrolet Avalanche
Hi there. If you are having a low oil pressure on the gauge, put a mechanical gauge on the engine and check for oil pressure. If the oil pressure is 40 psi or higher, then the engine is fine and...
Question
Truck won't start in morning. 2nd day now. Battery seems good.
Since the symptoms changed when you touched the battery terminal, it leads me to believe you may have a poor connection and the main battery terminals. If they are badly corroded or have any small cracks, the terminal may be...
Question
Starts and idles fine but then stalls. What causes this?
This is a common sign of a faulty ignition coil. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeated as the copper beneath them expands and contracts at a higher...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question