SSM69318

TOPIx - SSM69318 - Range Rover (L405) & RRS (L494) A/C Compressor run in proced... Page 1 of 1
Reference SSM69318
Range Rover (All New) / L405
Models
Range Rover Sport / L494
Range Rover (L405) & RRS (L494) A/C Compressor run
Title
in procedure
Category Electrical
Last modified 01-Nov-2013 00:00:00
Symptom 208000 Climate Control
Issue:
Air Conditioning compressors premature failure due to
incorrect run in procedure
Cause:
Insufficient lubrication in early life
Action:
The following 'Run in' procedure should be observed for
any Air Conditioning compressors replaced in service
conditions.
Charging of A/C system with R134a/R1234yf with the
engine “OFF”.
Compressor running operation should not occur until
control step 5.
Content
1. Key ignition on
2. Ensure A/C is off
3. Start engine and run for 5 minutes at idle
4. Set A/C temperature to 22 deg,c fan blower speed 75%
of max blower speed
5. Switch on A/C
6. Ensure all air ducts at dash board “OPEN”.
7. Run A/C system for minimum of 5 continuous minutes
with the engine at idle
After 5 minutes compressor run in & oil distribution in the
A/C system is finalised.
Topix procedures will be updated shortly to reflect this
change
http://topix.landrover.jlrint.com/topix/service/archive/443241/index
11/4/2013