454
CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
Installation
CAUTION
DO NOT use sealer on head gaskets.
1.
2.
3.
4.
Place head gasket in position over dowel pins.
Carefully set cylinder head in place over dowel pins.
Coat threads of head bolts with Quicksilver Perfect Seal and install finger-tight.
To insure gasket sealing, torque head bolts in three steps, following torque sequence
for each step. Start first step at 30 lb-ft (40 Nm), second step at 59 lb-ft (80 Nm), and
finish with a final torque of 89 lb-ft (120 Nm) on “Short Bolts” and 92 lb-ft (125 Nm) on
“Long Bolts.”
72944
Cylinder Head Torque Sequence
5.
6.
Install push rods and rocker arm assemblies in their original positions. Coat threads on
rocker arm bolt with Perfect Seal. Torque to 40 lb-ft (54 Nm).
Install as outlined:
a. Intake manifold.
b. Rocker arm covers.
c. Exhaust manifolds.
d. Spark plugs.
e. Any components removed from front or rear of cylinder heads.
Follow procedures in SECTION 6A or 6B of this manual.
7.
Seawater Cooled Models: Provide adequate water supply to seawater pickup (see
SECTION 6A).
Closed Cooled Models: Refill closed cooling section (see SECTION 6B), and provide
adequate water supply to seawater pickup.
CAUTION
Ensure that cooling water supply is available before starting the engine.
8.
Start engine, set timing and check for leaks.
Index
Page 3A-40
90-861326--1 MARCH 1999
| 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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Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...