1.7.8 Front Cover
DETROIT DIESEL 53
1. Affix a new gasket to the cover.
3.
Position a new oil seal in the cover with the lip
2.
Install the cover on the engine and secure it with
of the seal pointing toward the inner face of the cover.
bolts and lock washers. Tighten the bolts to 35 lb-ft
CAUTION: Keep the lip of the oil seal clean and
free from scratches.
3.
Apply cup grease to the outside diameter of the
oil seal spacers. Then slide them on the shafts.
4.
Press the seal into the cover with installer J
9790 until the seal is flush with the bottom of the
counterbore.
5.
Install the second oil seal in the same manner.
4.
Install a Woodruff key in each shaft.
6.
Remove excess sealant from the cover and the
5.
Install the pulleys on the shafts.
seals.
6.
Install and tighten the pulley retaining nuts to
Install Cover
300-325 lb-ft torque.
1972 General Motors Corp.
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