TM 5-3805-263-14&P-3
SYMPTOMS
CAUSE
REMEDY
7. Compressor leaks coolant
A. Improperly installed plugs
A.
Check torque of fittings and plugs and
and coolant line fittings
tighten as necessary Over-torque fittings
and plugs can crack the head or block
casting.
B. Freeze cracks due to
B.
Test anti-freeze and strengthen as
improper anti-freeze
necessary. Check coolant flow through
strength
compressor to assure the proper anti-freeze
mixture reaches the compressor.
C. Faulty compressor
C.
If casting porosity is detected, replace
(porous castings)
the compressor.
8. Compressor head gasket
A. Restricted discharge line
A.
Clear restriction or replace line.
failure.
B. Loose head bolts
B. Tighten evenly to a torque of 25-30 foot
pounds.
C. Faulty compressor or head
C. Check for rough or poorly machined
gasket
head or block surfaces. Replace necessary
components.
3-146
