|
| Problem |
Is Caused By |
What to Do |
|
| There's little or no air coming from the vents (and you're sure it's on) |
The A/C fuse Is blown |
Check and/or replace fuse |
| Broken or loose wires or connections |
Check and/or repair connections |
| The on/off switch is defective |
Have switches checked and/or replaced |
|
| The air coming from the vents is not cool enough |
Windows and air vent wings open |
Close windows and vent wings |
| The compressor belt is slipping |
Tighten or replace compressor belt |
| Heater is on |
Shut heater off |
| Condenser is clogged with debris |
Clean the condenser |
| Refrigerant has escaped through a leak in the system |
Have system checked |
| Receiver/drier is plugged |
Have system serviced |
|
| The air has an odor |
Vacuum system is disrupted |
Have the system checked/ repaired |
| Odor producing substances on the evaporator case |
Clean the evaporator case |
| Condensation has collected in the bottom of the evaporator housing |
Clean the evaporator housing drains |
|
| System is noisy or vibrating |
Compressor belt or mountings loose |
Tighten or replace belt; tighten mounting bolts |
| Air in the system |
Have the system serviced |
|
Sight glass condition
- Constant bubbles, foam or oil streaks
- Clear sight glass, but no cold air
- Clear sight glass, but air is cold
- Clouded with milky fluid
|
- Undercharged system (see text)
- No refrigerant at all
- System is OK
- Receiver/drier is leaking desiccant
|
- Have system charged/checked
- Have system charged/checked
- Have system checked
|
|
| Large difference In temperature of lines |
System undercharged |
Have system charged/checked |
|
| Problem |
Is Caused By |
What to Do |
|