SERVICE MANUAL NUMBER 30
496 CID (8.1L)
CAUTION
Main bearing caps must be tapped into the cylinder block cavity using a brass, or
leather mallet to ensure proper seating. Do NOT use the attaching bolts to pull the
main bearing caps into place.
IMPORTANT: Ensure that the triangle symbols on the main bearing caps are facing
the front of the engine.
5.
6.
Install the main bearing caps, except the rear main bearing.
Torque main bearing caps, in the following sequence.
a. Inner bolts to 22 lb-ft. (30 Nm).
b. Outer studs to 22 lb-ft. (30 Nm).
c. Inner bolts an additional 90 degrees
d. Outer studs an additional 80 degrees.
a
b
76721
a - Inner Bolts
b - Outer Studs
7.
Apply a 1/2 in. (13 mm) film of GM P/N 1052942 or equivalent to the rear main bearing
cap face.
8.
Install the rear main bearing.
9.
Torque fasteners to 35 lb-in. (4 Nm) starting with the inner bolts.
10.
Firmly thrust the crankshaft, first rearward then forward with a hammer. This will line up
rear main bearing and crankshaft thrust surfaces. Then torque rear main bearing cap
in the following sequence.
a. Inner bolts to 22 lb-ft. (30 Nm).
b. Outer studs to 22 lb-ft. (30 Nm).
c. Inner bolts an additional 90 degrees
d. Outer studs an additional 80 degrees.
90-863161 SEPTEMBER 2000
INDEX
Page 3A-59
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 496 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
(2 votes, average: 4 out of 4)
Marine readers have rated Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 4.0 out of 4.0 based on 2 product reviews. How many openings for crankcaseventilation is there on
Merc 496 HO ?
Great down load . it was all there an more