Front Cover And Baffle Installation - Hummer H1 Service Manual

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2-86 Engine

FRONT COVER AND BAFFLE INSTALLATION

1. Install new seal in front cover with installer tool J–22102.
2. Apply sealer to front cover as follows:
• Use anaerobic sealer such as Loctite 510 on cover sur-
faces that contact block (Figure 2-168).
• Use RTV-type sealer such as Permatex High Temp, Ul-
tra Blue, or Loctite 599 (gray) to oil pan contact surface
of cover (Figure 2-168).
3. Install front cover on engine block (Figure 2-168). Be sure
cover is seated on dowels, block face, and oil pan.
4. Install and tighten front cover bolts as follows:
• Tighten cover-to-engine block bolts to 33 lb-ft (45 N•m)
• Tighten cover-to-oil pan bolts to 4-10 lb-ft (5-14 N•m)
5. Install baffle on front cover. Maintain minimum clearance
of 0.040 in. (1.02 mm) between baffle and injection pump
gear. Tighten baffle attaching bolts/nuts to 33 lb-ft (45
N•m) torque.
ANAEROBIC
SEALANT
SEALER
APPLICATION
DIAGRAM
RTV SEALANT
HERE
HERE
SEAL
Figure 2-168: Front Cover Installation
FRONT COVER
BAFFLE
RTV SEALANT
HERE
®