Chrysler Pacifica Luxury meets versatility in this mid-sized sport utility vehicle

A/C Expansion Valves Screws_2005 Pacifica

Old 03-10-2018, 05:06 PM
djetelina's Avatar
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Default A/C Expansion Valve Screws_2005 Pacifica

I have an upcoming job to replace the A/C Expansion Valve on a 2005 Chrysler Pacifica. There are two (2) screws that hold the Expansion Valve to the Evaporator. Viewing the valve is almost impossible due to its location in the firewall, can anybody shed any light on if these 2 screws are Phillips, Allen head, star head, hex head, etc??
Many thanks! DJ

Last edited by djetelina; 03-27-2018 at 07:53 PM.
Old 03-16-2018, 02:45 PM
djetelina's Avatar
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OK, I just changed out my Expansion Valve, so I will answer my own question. The 2 screws are Torx, sized T25.
There is a stud on the Expansion Valve that comes out to allow easy access to 2 Torx screws. To get the stud out a small FEMALE Torx socket is needed.

Regarding the two (2) Torx screws, the screws are steel and screwed into the aluminum evaporator bracket. My screws seemed to have been over-torqued at the factory, the female threads in the aluminum bracket were in pretty bad shape. I backed screws out s-l-o-w-ly and sprayed WD-40 behind the bracket onto the screws while backing out. Wire brushed the screws and ran a M5-.8 nut over screws to clean aluminum debris from the screw threads. Was able to salvage my screws/threads and my A/C system is back up and running!

Last edited by djetelina; 03-31-2018 at 11:01 AM.
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