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Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 9534
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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2005 Volvo vnl a/c works sometimes when it works it blows

Customer Question

2005 Volvo vnl a/c works sometimes when it works it blows cold but slowly starts getting warmer until it stops working can cut it off for awhile even overnight might work next morning might not have replaced controls in dash high pressure switch thermal control sensor checked Freon pressure can not figure it out
JA: What is the complete model and serial number of your machine?
Customer: 4v4nc9gh75n394737
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: No
Submitted: 10 months ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 10 months ago.

Hi I'm Wayne

I will help you with this

what are your pressure when this happens,Please

Customer: replied 10 months ago.
100 when we checked it I put a new controll in the dash this weekend it worked fine at the shop when driver left out Sunday it quit 10 miles up the road
Expert:  Wayne replied 10 months ago.

Thank you for that

it is hard to say not being there

that is why I need the pressures when it happens

is low side going into a vacuum

that 100 was that the discharge side ?

Customer: replied 10 months ago.
I will have to get them when the truck get in I just remembered my mechanic said 100
Expert:  Wayne replied 10 months ago.


Thank you let me know

Expert:  Wayne replied 10 months ago.


Just following up with you

do you need any more help with this

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