Toyota Celica 2000 Repair Manual page 1078

Condition: Insufficient cooling
Symptom seen in
refngoration system
•
Pressure both low
too high on
and high pressure stdes
•
The low pressure piping hot to
the touch
•
Bubbles seen sight glass
>n
Condilton: Insufficient cooling
10
Symplom seen
refngeratlon
system
bo
on
•
Pressum
t low
too high h
and pressure sides
high
•
Frost large amount of dew on
or
piping on tow pressure side
AIR CONDITIONING
( 7 )
Probable cause
lltr entered in rofrigeraloQTl system
(8)
Probable cause
Trouble in expans1ofl valve
CONO!TIONING
Alfl SYSTEM
Air present in refrigeration system
NOTE : These gauge indica­
tions are shown when the
refrigeration system has
been opens and
ant charged without vacuum
purging.
Diagnos�
•
Air present sys-
1n refrigeration
ft
tern
o
•
l su i t vacuum purging
n en
Expansion valve improperly
Diagnosis
•
E�cessive refrigerant in low
pressure piping
•
Expansion valve opened too
wide
AC-7
­
g
r f
r r
i e
Hw e
Remedy
(1) Check �;; o mpressoroil to see
it is seo tl ts dirty or insufficient
if
atr
(2) Evacuale and charge new
refrigerant
Remedy
Check expanskln vaive
Replace if deh:c!ive
tf