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Comp only comes on when foot break is pressed down..

intheb0x on Thu July 10, 2008 7:54 PM User is offline

Year: 2000
Make: dodge
Model: neon
Engine Size: 2.0
Refrigerant Type: r134A
Country of Origin: United States

Hello,

i have a issues with my 2000 dodge neon, im unsure about the low side or high side pressures but the low side MIGHT be the culprit.

whenever the brake is pressed down the AC compressor kicks on( whenever the AC is set to ON of course) im unsure why this happens but it does.
so while im driving and if i want the AC on i have to put my foot on the brake peddle ever so slightly to get the comp to kick.
but when it does kick on it does get pretty cold and it works well.
im unsure why it does this and was hoping if someone knew or had some idea.
car has 148k miles.
thank you

CCWKen on Thu July 10, 2008 9:27 PM User is offlineView users profile

Wow, that is an odd one. I haven't checked the service bulletins but I suspect it may be related to a ground problem. Check/clean all the engine grounds for a start. If there's braided straps from the engine to chassis, make sure those connections are clean too.

-------------------------
Ken Kopsky

Custom Car Works
"Rules are for the guidance of wise men and the obedience of fools."

intheb0x on Thu July 10, 2008 9:35 PM User is offline

the car has been in accident before and a ground could have been removed.
now should i tap into the ground wire going to the compressor myself and see if this solves the problem?

i was thinking that when the brake is pressed that it sends the 12V to it, but you think its grounding correctly when the break is pressed?

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