LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Engine Controls - Adjustments - 5.9L Diesel) >> Adjustments >> Engine Speed Sensor >> Air Gap Adjustment

Air Gap Adjustment

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine speed sensor is located on front timing gear cover, just above vibration damper. See Fig 1 . Loosen engine speed sensor bolts.
    CAUTION: Engine speed sensor must not be aligned with notch areas on vibration damper when adjusting engine speed sensor air gap or engine speed sensor will be damaged when engine is started. See Fig 1 .
  2. Ensure engine speed sensor is not aligned with notch areas on vibration damper. Tighten engine speed sensor bolts finger tight. DO NOT  tighten bolts at this time.
  3. Engine speed sensor air gap should be .049-.051" (1.25-1.30 mm). Install proper thickness Brass feeler gauge between tip of engine speed sensor and vibration damper.
  4. Gently push engine speed sensor downward against Brass feeler gauge. Tighten engine speed sensor bolts to specification. See TORQUE SPECIFICATIONS  . Remove feeler gauge. Recheck air gap.
Fig 1: Identifying Engine Speed Sensor
G94E65445Courtesy of CHRYSLER CORP.
scientia non olet · About LEMON Manuals