SERVICE MANUAL NUMBER 24
5.0l / 305 cid / 5.7l / 350 cid ENGINES
4.
Intermittent clicking. Probable causes are:
a. A microscopic piece of dirt momentarily caught between ball seat and check valve
ball.
b. In rare cases, ball may be out of round or have a flat spot.
c. Improper adjustment.
In most cases where noise exists in one or more lifters, all lifter units should be removed,
disassembled, cleaned in solvent, reassembled and reinstalled in engine. If dirt, corrosion,
carbon, etc., is shown to exist in one unit, it probably exists in all the units. Thus it would only
be a matter of time before all lifters caused trouble.
Removal
IMPORTANT: Keep push rod and hydraulic valve lifter from each valve together as a
matched set and mark them so they can be reinstalled in the same location later.
1.
2.
3.
4.
Remove rocker arm covers.
Remove intake manifold.
Remove lifter restrictor retainer on roller lifter models.
Remove rocker arm assemblies and push rods.
NOTE: Engines with roller lifters have additional valve train components shown below.
b
a
72329
a - Lifter Restrictor Retainer
b - Fasteners
a
b
72340
a - Roller Lifter Restrictor
b - Roller Lifter
5.
Remove lifter restrictors and lifters.
Index
90-861327--1
OCTOBER 1999
Page 3A-27
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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