| Chrysler Engine >> INSTALLING CUP TYPE CORE PLUGS BY CHRYSLER |
Procedure For Installing Cup Type Engine Core Hole Plugs
Recommended By Chrysler Corp.
Chrysler Corporation recommended the following procedure to
eliminate the possibility of coolant leaks around the outside of
the core hole cup plugs:
1. Thoroughly clean the inside of the cup plug in the
cylinder head or block. Remove all traces of the old
sealer.
2. Be sure that replacement plugs are clean and free of
dirt, oil or grease.
3. Lightly coat the inside of the plug with Loctite or
equivalent.
4. Drive the replacement plug into the plug hole with a
proper driver so that the plug hole is at least .020
past the bottom of the hole chamfer.
5. If the recommended sealer is used, coolant may be
installed immediately and the engine may be placed in
immediate service.
CAUTION: Some Chrysler engines are produced with one or more
oversize core hole plugs or cam bearing plugs. These
oversize plugs are cadmium plated and must be replaced
with plugs of the correct size.
The AERA Technical Committee
January 1976 - SPB 31
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