Volvo C30 2007 Service And Repair Manual page 476

2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation
Fig. 101: Identifying Filter Sections Of Expansion Valve
Courtesy of VOLVO CARS CORPORATION
(A) shows an approved expansion valve.
If 4 or 5 filter sections in the expansion valve are clogged (B) , the compressor oil must be inspected.
If the filter is extremely clogged or if it contains a large volume of metal particles, the compressor may need to
be replaced.
If the compressor oil is black or very dirty, replace the compressor.
If the compressor is dry, replace the compressor.
INSTALLATION