K 2500 Suburban 4WD V8-5.7L VIN R (1999)
Mass Air Flow (MAF) Sensor: Service and Repair
REMOVAL PROCEDURE
NOTE: Handle the MAF sensor carefully. Do not drop the MAF sensor. Do not damage the screen located at 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 SPO P/N
12345884 lubricant or the soap based equivalent in order to aid in the installation.
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Disconnect the MAF sensor harness connector.
3. Remove the intake air resonator retaining wingnut.
