How to Shim the clutch on a Volvo 850?

Here’s how to shim the AC clutch on an 850, V70/XC70 up to 2000, S70, or C70. Do not use the high pressure port that is right up front above the radiator. That’s the high side for shops with pro AC refill equipment. Instead, move a couple items out of the way and use the AC low port.

Are there any problems with the air conditioning in a Volvo?

The Volvo Repair Database has a section dedicated to this stuff: AC and other climate control problems/fixes. Also see MVS posts with the Volvo air conditioning tag. These do overlap.

Where is the low pressure line on a Volvo 850?

It is located on the passenger side of the engine compartment near the radiator and is marked with a “ 70NM ” [ Volvo 850 Low Pressure Line] The best photo documentation on how to get to the Volvo 850, S70 and V70 evaporator, period: Changing an Evaporator Core – in Pictures

Why does my Volvo 740 make a hissing sound?

Leaking Sound from Heater Controls. [John Sargent] One of my 740s made a hissing sound from under the dash in the area of the heater temperature control lever. The manual heater control assembly supplies vacuum to the under hood heater valve to shut off coolant flow to the heater core in the cold position of the control lever.

What happens when the AC is turned off on a Volvo 850?

If A/C is switched off using the AC OFF switch, ECC control module will cut supply voltage to relay, turning off compressor. However, this does not apply when air distribution control is in defrost setting, since A/C is always on in this case.

What’s the problem with my 1993 Volvo 850?

Just the little annoying things that can drive you nuts trying to resolve if you don’t know the cause and where to begin fixing it. Beginning with the 1993 850 Volvo began using an upper engine mount (also called the upper engine stabilizer) that helped to control engine movement especially during acceleration.

How does the heater work on a Volvo 850?

The ventilation damper is operated by damper motor through 2 gear segments; one fitted to damper motor shaft and the other on ventilation damper shaft. Heater (blower motor) fan speed is variably controlled by ECC output (power) stage in response to signals from ECC control module.

What kind of maintenance does a Volvo 850 need?

1993-96 MAINTENANCE Volvo Maintenance Information 1993-96 850 Sedan 1994-96 850 Turbo Sedan 1995-96 850 T-5R Turbo Sedan 1994-96 850 Wagon 1994-96 850 Sportswagon 1995-96 850 T-5R Turbo Sportswagon * PLEASE READ THIS FIRST *

How to Shim the AC clutch on a Volvo S60?

Here’s how to shim the AC clutch on an S60. Here’s how to shim the AC clutch on an 850, V70/XC70 up to 2000, S70, or C70. Do not use the high pressure port that is right up front above the radiator. That’s the high side for shops with pro AC refill equipment. Instead, move a couple items out of the way and use the AC low port.

Why does my Volvo S70 have no AC?

Symptoms on my 1997 S70 was either there was a quick fan blow, everything stopped then the two lights flashed for 20 secs or nothing happened the two lights just flashed, no A/C and no fan. I took it to the dealer for a very expensive repair close to 700 dollars and the fix was a fan motor drawing excessive current.

The Volvo Repair Database has a section dedicated to this stuff: AC and other climate control problems/fixes. Also see MVS posts with the Volvo air conditioning tag. These do overlap.