TROUBLESHOOTING
Symptom
Problem
Solution Section
Low refrigera
nt level
Add refrigera
nt. Contact Dealer.
Clutch coil burned out or
disconnected
Blower motor
disconnected or
burned out
Contact Deale r.
Switch contacts in thermostat
burned excessively, or sensing
element defective
Replace thermostat.
Compressor partially or
completely seized
Remove compres sor for service or
replacement.
Contact Dealer
Condense
r fins plugged
Clean con
denser.
Air Condi
tioning
Condense
r, page
329
Loose or broken compressor
drive belt
Replace drive belt and/ or tighten to
specifications.
Tensioning Air
Conditioner (A/C)
Compressor Belt,
page 367 and
Replacing Air
Conditioner (A/C)
Compressor Belt,
page 367
Dirty
filters
Clean
fresh air and recirculation
filte
rs.
Clean
ing Engine
Air Fi
lter Primary
Eleme
nt, page
343 and C
leaning
Retu
rn Air Cleaner,
page
328
Broken or disconnected
electrical wire
Check all terminals for loose
connections; check wiring for hidden
breaks.
Broken or dis connected ground
wire
Check ground wire to see if loose,
broken, or disconn ected.
—
Expansion valve stuck in open
or closed position
Broken refrigerant line
Leak in system
Compressor shaft seal leaking
Air conditioning not
cooling
Clogged screen in
receiver-drier; plugged hose or
coil
C
ontact Dealer.
C
ontact Dealer
147649 443 Revision A
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