SERVICE MANUAL NUMBER 23
454 CID (7.4L) / 502 CID (8.2L)
4.
Install each connecting rod and piston assembly in its respective bore. Install with con-
necting rod bearing tangs toward outside of cylinder block. Use piston ring compressor
to compress rings. Guide connecting rod into place on crankshaft journal with connect-
ing rod bolt guide. Use a hammer handle with light blows to install piston into bore. Hold
ring compressor firmly against cylinder block until all piston rings have entered cylinder
bore.
IMPORTANT: Be sure to install new pistons in same cylinders for which they were
fitted, and used pistons in same cylinder from which they were removed. Each
connecting rod and bearing cap should be marked, beginning at front of engine (1,
3,
5 and 7 in left bank and 2, 4, 6 and 8 in right bank). Numbers on connecting rod and
bearing cap must be on same side when installed in cylinder bore. If a connecting rod
is ever transposed from one block or cylinder to another, new bearings should be
fitted and connecting rod should be numbered to correspond with new cylinder
number.
a
72552
a - Piston Ring Compressor (J-8037)
5.
6.
7.
Remove connecting rod bolt guide.
Install bearing caps and evenly torque nuts. Refer to “Specifications”.
Check connecting rod side clearance as previously described.
NOTE: If bearing replacement is required, refer to “Connecting Rod Bearings.”
8.
Install as previously outlined:
a. Oil pump and baffle.
b. Dipstick and oil pan.
c. Cylinder heads.
d. Intake manifold.
e. Distributor.
9.
Fill crankcase with oil. Refer to SECTION 1 “Maintenance.”
Index
90-861326--1 MARCH 1999
Page 3A-73
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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