Ok I have a problem. The previous owner supposedly had the evap job done. However I notice a problem. Depending on conditions or whatever the compressor will cut off. If I cycle the ignition the compressor will usually come back on. Maybe for 20 minutes maybe for 5. It blows cold. Is this a low charge, cut off sensor malfunction or the climate control unit? My gut says the climate control unit but I don't know.

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My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory

You need to provide more information on when the compressor cuts off. It is important. The compressor does not run non stop. There is a low pressure switch and I believe a temperature control switch under the dash.

TimK

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EPA 609 & 608 HVAC Certified
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83' 300D Turbo - 300K + Miles
00' 1.9L TDI Beetle
85' 6.5L Turbo, GV-OD, GMC Suburban,
67' 2.5L Diesel NA - Land Rover Series IIA

Here's what you do if it's so cold your diesel fuel gels. Smear some on some toast and stay inside until it warms up outside.

Its really kind of random. Yes I do notice that the compressor kicks out under acceleration then comes back on. I thought maybe for a while it was the kick down switch. I popped the hood the other day and I turned the climate control off and then back on. I think I am leaning towards the temperature control switch. If it was low pressure would it come on and run for 40 miles or more sometimes?

__________________
My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory