GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Jimmy - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Engine Front Cover Replacement

Removal Procedure

    Object Number: 31739 Size: SH
  1. Remove the engine oil pan. Refer to Oil Pan Replacement .
  2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  3. Remove the water pump. Refer to Water Pump Replacement in Engine Cooling.

    4. Object Number: 188000 Size: SH
  4. Remove the crankshaft position (CKP) sensor. Refer to Crankshaft Position Sensor Replacement in Engine Controls.
  5. Remove the engine front cover. Refer to Engine Front Cover Removal .

Installation Procedure

    Object Number: 188000 Size: SH
  1. Install the engine front cover. Refer to Engine Front Cover Installation .
  2. Install the CKP sensor with a NEW seal (O-ring). Refer to Crankshaft Position Sensor Replacement in Engine Controls.

    3. Object Number: 31739 Size: SH
  3. Install the engine oil pan. Refer to Oil Pan Replacement .
  4. Install the water pump. Refer to Water Pump Replacement in Engine Cooling.
  5. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .