Tools Required
J 37228 
 Seal Cutter
Removal Procedure
- Disconnect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection
.
 
- Remove the water pump. Refer to 
Water Pump Replacement
.
 
- Remove the crankshaft front oil seal. Refer to 
Crankshaft Front Oil Seal Replacement
 .
 
- Disconnect the crankshaft position (CKP) sensor electrical connector.
 
Important: The CKP sensor spacers are machined with different timing positions. If the spacer requires replacement, replace it with the same part number spacer. For LLY engines, use C grade spacer when replacing a spacer.
- Remove the CKP sensor bolt and sensor.
 
- Remove the CKP sensor spacer bolts and spacer.
 
- Remove and discard the O-rings from the sensor and the spacer.
 
- Remove the upper oil pan to engine front cover bolts.
 
- Remove the engine front cover bolts.
 
- Separate the engine front cover from the cylinder block and upper oil pan using 
J 37228 
 .
 
Important: Do not bend the turbocharger coolant pipe.
- Remove the engine front cover.
 
- If necessary, remove the pressure relief valve O-ring.
 
- Clean and inspect the front cover. Refer to 
Engine Front Cover Cleaning and Inspection
 .
 
Installation Procedure
Notice: Refer to Fastener Notice in the Preface section.
- If necessary, install a NEW pressure relief valve O-ring.
 
- Lubricate the O-ring with engine oil.
 
Tighten
Tighten the valve to 39 N·m (29 lb ft).
- Apply a 2-3 mm (1/8 in) wide by 0.5-1.5 mm (1/16 in) high, bead of sealant
to the engine front cover sealing surface to the engine block. Refer to 
Adhesives, Fluids, Lubricants, and Sealers
 for the correct part number.
 
- Apply a 2-3 mm (1/8 in) wide by 0.5-1.5 mm (1/16 in) high, bead of sealant to the engine front cover sealing surface to the upper oil pan. Refer to 
Adhesives, Fluids, Lubricants, and Sealers
 for the correct part number.
 
- Install the engine front cover.
 
- Install the engine front cover bolts.
 
Tighten
Tighten the bolts to 2 N·m (15 lb ft).
- Install the upper oil pan to engine front cover bolts.
 
Tighten
Tighten the bolts to 21 N·m (15 lb ft).
- Install a NEW O-ring to the CKP sensor spacer.
 
- Lubricate the O-ring with clean engine oil.
 
Important: The CKP sensor spacers are machined with different timing positions. If the spacer requires replacement, replace it with the same part number spacer. For LLY engines, use C grade spacer when replacing a spacer.
- Install the CKP sensor spacer and bolts.
 
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install a NEW O-ring to the CKP sensor.
 
- Lubricate the O-ring with clean engine oil.
 
- Install the CKP sensor and bolt.
 
Tighten
Tighten the bolt to 10 N·m (89 lb in).
- Connect the CKP sensor electrical connector.
 
- Install the crankshaft front oil seal. Refer to 
Crankshaft Front Oil Seal Replacement
 .
 
- Install the water pump. Refer to 
Water Pump Replacement
 .
 
- Connect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection
 .