Question about 2003 Chevrolet TrailBlazer
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: p0014 engine code
THE CAM SHAFT ACTUATOR IS LOCATED IN THE CYLINDER HEAD ON THE FRONT RIGHT HAND SIDE JUST ABOVE THE POWER STEERING PUMP. AFTER YOU REMOVE THE ACTUATOR CHECK TO SEE IF ANY OF THE SCREENS ARE DAMAGED OR MISSING. IF SO REPLACE THE ACTUATOR. ALSO CHECK THE CRANKSHAFT END PLAY. IT SHOULD BE BETWEEN 0.0044" - 0.0153". if excessive crankshaft end play is causing this concern, it will be obviously out of specification by as much as.050" or more when a pry bar is used to move the crankshaft back and forth. IF THIS IS THE CASE AN ENGINE REPLACEMENT IS RECOMMENDED DUE TO THE AMOUNT OF DEBRIS IN THE ENGINE. IF NO EXCESSIVE CRANKSHAFT MOVEMENT NOTICED REPLACE THE CAM ACTUATOR. IT WILL ALSO BE NECESSARY TO DO AN OIL CHANGE.
Posted on May 23, 2009
The code indicates an issue with the Throttle Actuator control. This is a little motor on the throttle body that opens the throttle plates at idle. That control motor may be bad and thus, causing a low idle.
I hope this helps.
Posted on Jul 21, 2009
i've got a 2003, and i believe the parts and procedures are the same for the years. there are screws in the dash trim by the ciggarette lighter, and more on the underneath of the dash pad where the gauge cluster is. then carefully pop the dash trim out. there are retaining clips that hold it in besides the screws. they should pop out without too much effort. i'd start near the radio and be careful. there also may be two more screws near the bottom of the steering wheel that you'll have to remove the trim below it to get at.
Posted on Feb 17, 2010
Check your coolant level, low coolant or air in your cooling system will make a "thud"noise in your heater core when the engine is under load from acceleration. The coolant rushes in to the heater core where the air pocket is trapped and then your hear the noise.
Start with the simple and make sure your coolant level is correct and then try to purge the system to remove the air out for your coolant system.
Thank you for using fixya and good luck
Posted on Jun 15, 2010
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