2005 Cadillac DeVille Q&A

2005 Cadillac DeVille Question: LEVEL CONTROL PUMP AND TRUNK MODULE

GOT REPLACEMENT PARTS. SHOULD I REPLACE COMPRESSER FIESR, THEN POWERUPHANKS AND SEE IF EXISTING AIR RIDER MODULE IS OK, OR JUST CHANG IT OUT FIRST. IF EITHOR OR ONE UNIT IS OK, CAN I DAMAGE THE OTHER BY NOT REPLACING BOTH @ SAME TIME? THANKS FOR YOUR RESPONSES! -
Answer 1
I would replace module first -