Diesel Data: Automotive Repair

Throttle System Inspection

THROTTLE SYSTEM INSPECTION
Throttle system (includes accelerator and cruise control) should operate freely without hesitation between full closed and wide open throttle.

CAUTION: The accelerator and cruise control cables should not be lubricated under any condition. Throttle system components causing hesitation or sticking should be replaced.

Inspect the following:

^ Missing parts such as retainers or clips.

^ Interference of the linkage or the cable conduit to critical components such as fuel lines, brake lines, harness leads, etc.

^ Proximity of the cable to the exhaust system and other heat sources: check for melting and/or discoloration.

^ Cable kinking. Avoid sharp bends of cables.

^ Clearance of the throttle system moving parts throughout their travel from other stationary components.

^ Damage of the components due to cable kinking, severe kinking, severe abrasion, misalignment, etc. If any of the above conditions exists, notify your dealer for a recommended rerouting, adjustment, or replacement.