Toyota Tundra 2005 Service - Repair - Maintenance page 3368

Item Symptom
1 Bubbles are present in sight glass
2 No bubbles are present in sight glass
No temperature difference between com-
3
pressor inlet and outlet
Temperature between compressor inlet and
4
outlet is noticeably different
Immediately after air conditioning is turned
5
off, refrigerant in sight glass stays clear
When air conditioning is turned off, refriger-
6
ant foams and then stays clear
*: Bubbles in the sight glass with ambient temperature higher than usual can be considered normal if cooling
is sufficient.
HINT:
Double cab models do not have a sight glass. When inspecting, use a manifold gauge set.
AIR CONDITIONING
ON-VEHICLE INSPECTION
1. Access cab, Standard cab:
INSPECT REFRIGERANT VOLUME
Observe the sight glass on the liquid tube.
Test conditions:
Sight Glass
I11115
Amount of refrigerant
Insufficient*
None, sufficient or too much
Empty or nearly empty
Correct or too much
Too much
Correct
- AIR CONDITIONING SYSTEM
z
Running engine at 1,500 rpm
z
Blower speed control switch at "HI" position
z
A/C switch ON
z
Temperature control dial at "COOL" position
z
Fully open the doors
(1) Check for gas leakage with gas leak de-
tector and repair if necessary
(2) Add refrigerant until bubbles disappear
Refer to items 3 and 4
(1) Check for gas leakage with gas leak de-
tector and repair if necessary
(2) Add refrigerant until bubbles disappear
Refer to items 5 and 6
(1) Discharge refrigerant
(2) Evacuate air and charge proper amount
of purified refrigerant
Author :
AC-3
AC22F-09
Remedy
-
Date :
5030