Operation CHARM: Car repair manuals for everyone.
Home >> Buick >> 2008 >> Lucerne V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Air Flow Meter/Sensor >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Flow Meter/Sensor: Service and Repair



Mass Airflow Sensor/Intake Air Temperature Sensor Replacement

Removal Procedure

Notice:
* Handle the MAF sensor carefully.
* Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
* Do not damage the screen located on the air inlet end of the MAF.
* Do not touch the sensing elements.
* Do not allow solvents and lubricants to come in contact with the sensing elements.
* Use a small amount of a soap based solution in order to aid in the installation.






1. Disconnect the engine harness electrical connector from the mass air flow/intake air temperature (MAF/IAT) sensor.




2. Loosen the air cleaner outlet duct clamp at the throttle body.




3. Loosen the air cleaner outlet duct clamp at the MAF/IAT sensor.
4. Remove the air cleaner outlet duct.




5. Remove the MAF/IAT sensor bolts.
6. Remove the MAF/IAT sensor.


Installation Procedure

Notice:
* Handle the MAF sensor carefully.
* Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
* Do not damage the screen located on the air inlet end of the MAF.
* Do not touch the sensing elements.
* Do not allow solvents and lubricants to come in contact with the sensing elements.
* Use a small amount of a soap based solution in order to aid in the installation.






1. Install the MAF/IAT sensor.

Notice: Refer to Fastener Notice (Fastener Notice).

2. Install the MAF/IAT sensor bolts.

Tighten the bolts to 4 N.m (35 lb in).




3. Install the air cleaner outlet duct.
4. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

Tighten the clamp to 4 N.m (35 lb in).




5. Tighten the air cleaner outlet duct clamp at the throttle body.

Tighten the clamp to 4 N.m (35 lb in).




6. Connect the engine harness electrical connector to the MAF/IAT sensor.

pro multis · About Operation CHARM