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Wolfgang
Wolfgang, VW Master Technician
Category: VW
Satisfied Customers: 4578
Experience:  Senior VW Master Tech 15 yrs
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Volkswagen Jetta 2006 jetta tdi has no a/c, fully charged,new

Resolved Question:

2006 jetta tdi has no a/c, fully charged,new compresser(low and high pressure dont move at all when dial turned to cool)i think this is the manual type(no a/c button)
only 10.0 volts at compressor regulator soleniod.if i put 12.0 volts compressor starts pulling low side down.cooling fans are not running either

thanks in advance
jason @ jason's auto repair
Submitted: 6 years ago.
Category: VW
Expert:  Wolfgang replied 6 years ago.

Eurocar Inc :

hello there !

Eurocar Inc :

what was the reason for a new compressor installed?

Eurocar Inc :

do you have a vag com scan tool to see if there is any codes stored in the climate control module?

Customer:

pressures not moving when a/c on

Eurocar Inc :

?

Eurocar Inc :

did u scan the climate control module for codes?

Customer:

no my snap on scanner is currently sent away to be programed for vw's ect...

Eurocar Inc :

you need to scan the module for faults if there was a low refrigerant code the module locks out ac operation totally till the code is cleared!!

Eurocar Inc :

also common w/ this system is the pressure switch common issue for abnormal operation!!

Customer:

o.k i will scan it when my scanner is ready, but is there any way of clearing code without scanner

Eurocar Inc :

no way w/o scan tool!!

Eurocar Inc :

for a cya replace the pressure switch on the high side line near the radiator passenger side!!

Eurocar Inc :

this compresser set up is a PWM compressor be very careful not to apply 12 constant to the control valve you may spike the compressor and then you are at square 1 again

Customer:

thanks alot, greatly app..i'm a gm tech on my own since they closed us if any problems with gm just call

Eurocar Inc :

i work on the exotics like lambo , bentley , rolls royce audi ferarri etc

Eurocar Inc :

i think my consultation answered your question. please press the green accept button for the consultation given

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