20 Most Recent 2001 GMC Sonoma Extended Cab - Page 4 Questions & Answers

May be your abs control module. Check autoecu.com and call the number listed and technical support can help and repair this abs control module if it is bad . They just repaired mine for the same problem you are having. My truck is a 2001 GMC Sonoma SLS with the extended cab. It works fine now. You need to pull the 60 amp fuse for the abs system that is under the hood to keep the pump from running all the time so it want drain your battery down. If the pump keeps running all the time it can damage it also and they are expensive.

Sensor one bank one is the sensor in front of the catalytic converter on the side with cylinder one.

The battery may have went completely dead, even though it was just changed.

truck turns over but wont start

It has been my experience radiator flushing does little or no good at all. This is especially true if the vehicle is running hot or just plain overheating. The best solution is to take the vehicle, or the radiator, (if it's not too difficult to remove) to a radiator shop and have it boiled out.

Can you give me some more info. Which speaker, and are you talking about where the harness comes out of the radio ?There is a purple and white wire that goes from the radio back to the body computer for the lights.

Hello,,You may have to go to an after market supplier and pick up a winter front for the little guy,,or put a higher temp thermostat in,,good luck..

Hello,check all your conections at the battery and starter, i had a cable come loose at the starter end,if that doesnt help make sure battery is charged well enought to start,solenoid may be wore,older models you could take solenoid off and flip the insides and reuse but now may have to be a complete starter,,good luck..

U R GONNA NEED A FIELER GUADGE AND THE VALVE LASH SPEC REMOVE THE VALVE COVERS AND INSERT THE GUADGE BEWEEN THE ROCKER ARM AND VALVE SPRING AND TORQUE TO SPEC OR TAKE OFF VALVE COVER TAKE TWO PIECES OF CARDBOARD CUT THEM TO LENGTH OF THE HEAD INSERT ON TI THE HEAD SO U DONT SPASH OIL START TRUCK AND TURN EACH ROCKER UNTIL YOUR NOISE GOES AWAY BUT DO NOT OVER TORQUE U WILL KNOW THE ENGINE WILL BOGG DOWN

l am sure this is not a servicable unit,l would run a diagnostic check first and if needs be change the whole unit...Good-luck...(P.S it won`t be cheap)