Question about 1990 Mercedes-Benz 300 Diesel
What is the freon capacity for a 1990 Mercedes Benz 2.6 engine
Posted by Anonymous on
Freon goes in the ac system and is adjusted to an operating system pressure for the gas in use. If you need to add gas then you have a leak so it would be a good idea to visit an accredited ac specialist shop to find and fix the leak and have the correct amount of gas added.
Posted on Jul 25, 2014
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Posted on Jan 02, 2017
SOURCE: 1990 MERCEDES-BENZ E CLASS
Move to position "P" and turn ignition key to position "0".
Ball nipple of cable (40B) Cable
Clip in and insert into holder.
Pull jacket in direction of arrow until lock lever (44B) rests against the cam (48).
Ball nipple of cable (40L)
Clip in and insert.
Pull jacket in direction of arrow until lock lever (44L) rests against cam (48) and tighten retaining bolt to 5 Nm .
NOTE: The cables are bolted to the steering lock and hooked onto the brake pedal operating lever. They are routed securely to the floor-mounted shift control without kinks.
Testing After Adjustment
Ignition key in position "1" and brake pedal depressed > or = 25 mm :
The locking levers (44B) and (44L) must disengage fully from the cam (48) so that the selector lever handle can be moved to position "N" without resistance. The parking lock is unlocked.
Brake pedal not depressed:
Move selector lever handle from position "N" to position "P" and turn ignition key to position "0": the locking levers (44B) and (44L) must engage in the cam (48). The parking lock is operative. Press on protective cap.
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Posted on Jun 12, 2008
Chilton publishes useful manuals for foreign cars. When I was running Mercedes diesels I relied on them. Haynes makes another useful manual for the MB. Haynes and Chilton can be reached at Sparkford Near Yovil, Somerset BA22 7JJ England.
Posted on Jan 15, 2009
SOURCE: Mercedes Benz 1985 190D
hello,hoping this diagram help your problem,
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Posted on Apr 26, 2009
Hello I'm a M.B. tech. 1st you need to know why the freon is low. Hopefully it just needs to be serviced. There is a component located in the lf of the engine compartment called a receiver drier. It soaks up the moisture in the freon so the gases can work the way they are supposed to. On this unit there should be 2 switches(I believe they were combined into one switch in 98. 1 switch is a temp switch that operates your electric fans, the other is a compressor cutoff switch. Assuming the compressor is not coming on-take a fused wire and bridge the 2 contacts- If the compressor does not come on at all there is another problem(it is not low on freon. On the condenser there is a high side port(it is the bigger of the 2)By the brake master Cyl.(lf of the engine compartment thereshould be a smaller low side valve in line with the fuel cooler hose. Usually you can hook up a machine to the low port and **** freon in through that port. Assuming you do not have a refrigerant machine. It is very self explanatory on the bottle of r 134a refrigerant which can be purchased at your local auto supply store. I would start with 1 lbs. and add dye with the freon in case there is a big leak. If the system is overcharged it will not cool properly. I believe the system capacity is approx. 2 lbs. Add a few ounces after the first pound until a/c system is cooling properly and the electric fans are also coming on when the system gets to high. If you get a can with a good Gage set on it you should see the high side between 150 and 2000 psi(fan coming on at max. press.) also the low side should read about 35. It is about the temp of the evaporator which is i=located in the dash and the blower blows through this component out through the vents. Hopefully I have been helpful.
Posted on May 28, 2009
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