2001 GMC Yukon XL 1500 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
FAQ for Idle Control Motor Repair
Q: What should be noticed before installing the idle air control motor (IAC) valve?
A:
If installing a new IAC valve, you shall be sure to replace the IAC valve with an identical part. The pintle shape of the IAC valve and the diameter of the IAC valve is designed for the specific application.
By Bob
GM Specialist
01/11/2022
Q: What is the removal procedure for the idle learn of automatic transmission?
A:
The procedure is to restore the PCM battery feed, turn OFF the A/C controls, set the parking brake and block the drive wheels, start the engine, ensure that the engine coolant temperature is more than 80°C (176°F), shift the transmission into Drive, allow the engine to idle for 5 minutes, shift the transmission into Park, allow the engine to idle for 5 minutes, and turn OFF the engine for 30 seconds.
By Bob
GM Specialist
01/11/2022
Q: What is the installation procedure for the idle learn of the manual transmission?
A:
The procedure is to restore the PCM battery feed, turn OFF the A/C controls, set the parking brake and block the drive wheels, place the transmission in Neutral, start the engine, ensure that the engine coolant temperature is more than 80°C (176°F), allow the engine to idle for 5 minutes, and turn OFF the engine for 30 seconds.
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: How to service the condition of idle instability, low idle speed, or rough idle?
A:
You shall clean the Throttle Body bore and throttle valve plate of carbon using a shop rag and an appropriate cleaner.
Q: How to remove the manifold absolute pressure (MAP) sensor?
A:
The procedure is to remove the sight shield, disconnect the manifold absolute pressure (MAP) sensor electrical connector, and remove the MAP Sensor from the intake manifold.
Q: How to remove the air cleaner element?
A:
The proper way is to loosen the clamp on the air duct at the throttle body, disconnect the electrical connector from the mass air flow/intake air temperature (MAF/IAT) sensor, loosen the 4 fasteners securing the air cleaner housing top cover, lift and rotate the top cover of the air cleaner housing, and lift out the Air Filter element.