82
AIR CONDITIONING
FAULT
CAUSE
REMEDY
E.
NOISY
EXPANSION
VALVE
(steady hissing)
1. Low refrigerant charge; evident by
bubbles in sight glass.
1. Leak test. Repair or replace
components as required.
F.
INSUFFICIENT
COOLING
1. Expansion valve not operating
properly.
2. Low refrigerant charge-evident
by bubbles in sight glass.
1. Refer to C-2, C-3, D-1
and E.
2. Refer to B-1 and E.
3.
Compressor not pumping.
3. Refer to B-2 and B-3
G.
COMPRESSOR
BELT
1. Belt tension.
2. Excessive head pressure.
1. Adjust belt tension.
2. Refer to A-1 through
A-4 and C-6.
SLIPPING
3. Incorrect alignment of pulleys
or worn belt not riding properly.
3. Repair as needed.
4.
5.
Nicked or broken pulley.
Seized compressor.
4. Replace as needed.
5. Replace compressor.
1.
2.
3.
Loose or missing mounting bolts.
Broken mounting bracket.
Loose flywheel or clutch
retaining bolt.
1. Repair as necessary.
2. Replace bracket.
3. Repair as necessary.
H.
ENGINE
NOISE
AND/OR
VIBRATION
4. Rough idler pulley bearing.
5. Bent, loose, or improperly
mounted engine drive pulley.
6. Defective compressor bearing.
7. Insecure mountings of
4. Replace bearing.
5. Repair as necessary.
6. Replace bearing.
7. Repair as necessary.
accessories; generator, power
steering, air filter, etc.
8.
9.
Excessive head pressure.
8. Refer to A-1, A-2, A-3
A-4 and C-6.
9. Refer to compressor Oil
Level Check.
Incorrect compressor oil level.
HEATER AND AIR CONDITIONING - CIRCUIT
DIAGRAMS
1.
For details of heating and air conditioning
electrics See Electrical Trouble Shooting
Manual.
4
FAULT DIAGNOSIS
| Categories | Land Rover Discovery, Range Rover |
|---|---|
| Tags | Land Rover |
| Model Year | 1995 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Discovery |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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