Having problems with your 1988 Cadillac Sedan DeVille ?

): location of lower a/c service port

\015 Need location for lower service port because i am converting from r12 to 134a also why does climate control not stay in auto mode only stays in econo mode\015 Posted / edited by AnonymousUser on : 12-11-2018

Answers :

The low side is the bigger of the two lines and it runs towards the inside of the car. Conversely, the high side is the smaller of the two lines and leads to the condenser (located in front of the radiator).
Repair Help & Product Troubleshooting for 1988 Cadillac Sedan DeVille

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