
Remove the primary camshaft drive chain upper guidebolts.Remove the primary camshaft drive chain upper guides.
Primary Camshaft Intermediate Drive Chain Tensioner Removal Valvetrain Camshaft
Camshaft Cover Removal (LAF, LEA, or LUK) Valvetrain CamshaftThrottle Body Cleaning Engine Control Air Metering/Acceleration Throttle
Note:Over extended time and mileage, deposits may accumulate on the back of the throttlevalve plate. The source of the deposit is exhaust gas recirculation (EGR) gas. Typicallythese deposits pose no problem. Occasionally the deposit may accumulate to a pointwhere perceived pedal effort or throttle v ...