300Tdi Discovery - Rear Expansion Valve Repair for Improved Air Conditioning
AIR CONDITIONING
17
REPAIR
EXPANSION VALVE - REAR
Service repair no - 82.26.07
Remove
1. Remove evaporator/blower motor assembly.
See evaporator/blower motor assembly -
rear
2. Remove foam insulation from expansion valve
and expansion valve probe.
3. Remove expansion valve probe retaining clip.
4. Loosen expansion valve unions.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
5. Remove and discard ’O’ rings from evaporator
and air conditioning pipes.
6. Plug expansion valve and connections.
7. Remove expansion valve.
Refit
8. Position expansion valve probe to evaporator
pipe and secure with clip.
9. Remove plugs from expansion valve and
connections.
10. Lubricate NEW ’O’ rings and fit to pipes.
11. Position expansion valve to pressure pipe and
tighten union to
14 Nm .
12. Position expansion valve to evaporator pipe and
tighten union to
22 Nm .
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
13. Remove backing paper from NEW foam
insulation.
14. Fit foam insulation to expansion valve and
expansion valve probe.
15. Fit evaporator/blower motor assembly.
See
evaporator/blower motor assembly - rear;
Refit
