SERVICE MANUAL NUMBER 23
454 CID (7.4L) / 502 CID (8.2L)
Inspection
1.
2.
Inspect splines in drive plate or coupler for wear.
Check flywheel ring gear for worn and missing teeth.
Installation
NOTE: If crankshaft is to be replaced, but old pilot bushing is to be reused, bushing can be
removed without damage by filling pilot bushing cavity with grease, then inserting an old
transmission input shaft in bore of bushing and hitting it with a hammer. This will create
hydraulic pressure in pilot bushing cavity which should force bushing out.
1.
2.
3.
Clean mating surfaces of flywheel and crankshaft. Remove any burrs. Mating surfaces
must be clean bare metal.
Aligning dowel hole in flywheel with dowel in crankshaft, install flywheel. Torque bolts
to 65 lb-ft (88 Nm).
Check flywheel runout as follows:
a. Attach a dial indicator to engine block.
b. Take readings around outer edge of flywheel. Push in on flywheel to remove crank-
shaft end play.
c. Maximum runout - .008 in. (0.203 mm).
a
b
72353
a - .008 in. (0.20 mm) Max. Runout
b - Push Flywheel And Crankshaft Forward As Far As It Will Go When Taking
Reading
4.
5.
6.
7.
8.
Install drive coupler or drive plate. Torque bolts to 35 lb-ft (48 Nm).
Install flywheel housing and related parts. Torque bolts to 30 lb-ft (41 Nm).
Install flywheel housing cover. Torque bolts to 80 lb-in. (9 Nm).
Install transmission (MIE). Torque bolts to 50 lb-ft (68 Nm).
Refer to SECTION 2 “Removal and Installation.” Install engine.
Index
90-861326--1 MARCH 1999
Page 3A-59
| 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...