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#1
04-10-2013, 05:51 PM
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klima relay 1985 w126
hi all
i cant find were my klima relay is on my 1985 w126 380se thanks kenny 
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#2
04-10-2013, 07:14 PM
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Between the double firewall in front of the windshield/behind the engine, it will be clearly marked "KLIMA" as well as other numbers such as the part number. The one that is nearly identical to it that will say either 6zyl or 8zyl and also an rpm , is the fuel pump relay.
__________________
Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#3
04-11-2013, 11:16 AM
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hi gilly thanks for the reply
thats what i thought ...but..i.dont.see.it. pics attached
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#4
04-11-2013, 11:24 AM
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more pics 1985 w26 380se klima relay were is it
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#5
04-11-2013, 11:25 AM
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sorry for all this iam new at this
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#6
04-11-2013, 10:47 PM
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i think only Gen2's have the Klima relay, their auto climate systems is a little different than the Gen1's. there's a temp control relay near the blower housing if that's what you're looking for
__________________
1983 300SD (daily driver) 1991 420SEL (work in progress) 1979 300SD (future replacement for 83 SD) RIP: 1983 300SD (totalled) 1986 420SEL
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#7
04-11-2013, 11:12 PM
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thanks shadetree
is the blower under the glove box on this car or can i access it from under he hood
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#8
04-11-2013, 11:19 PM
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hey compu 85
so you dont see klima relay were you would normally find one , so maybe i have the relay on my blower like shadetree says kenny
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#9
04-11-2013, 11:32 PM
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hey gilly
from the info from your post i figured that was the fuel pump relay but nothing fits description of the klima do you see anything that could be the klima relay i am starting to think i dont have a klima relay but rather i have the blower relay as shadetree says..a quick search turned up a HVAC blower relay for a 1985 w126 380se thanks to everyone for their help kenny
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#10
04-12-2013, 07:34 AM
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I'd say you are correct, geez i know I've worked on 380's before but I guess the climate control system must be pretty bulletproof on 380's, maybe they should have kept that system instead because I know I replaced Klima relays on 126's before! LOL. Maybe not on a 380/early model, yes I have also worked on the early 126 climate control, the black R2D2-looking weird controller, real nightmare system. I think they were gone by '85 though, that was on the first year or two, maybe what you have is different from both the early one and the later one with a Klima relay.
The thing that gets me though is that mainly the job of the Klima is to switch on the AC compressor, not the blower motor, what problem are you trying to repair? In regards to the Klima, if you can see the fuel relay you would be seeing the Klima. I only saw a pic of the fuel relay laying on top of the fusebox, not installed, I assume it plugs in in the normal location, again more in the middle of the car between the firewalls. Other thought is if the AC compressor doesn't work maybe the klima is missing? Look down between the firewalls for a socket similar, again, to the one the fuel relay plugs in to.
__________________
Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#11
04-11-2013, 11:11 PM
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Some W126s and W123s got the Klima relay for 1985. I suppose it's possible your car doesn't have one. The Klima on the SDL is mounted in a bracket where that thinner device is on your car, to the left of the brake booster, by the ABS computer.
-J
__________________
1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket  Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E.
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#12
04-11-2013, 11:14 PM
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Should be more towards the middle of the car, if it has it. The relay in the first pic is the fuel pump relay, that one and the klima relay should be close to each other, again more towards the middle.
__________________
Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#13
04-16-2013, 10:14 PM
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the valve in the pic is the low side, the high side is up front next to the condensor. you can get R134a couplings to work with the hoses you got. you could unscrew that silver R134a fitting, but be careful; i've ran into one not having a valve below that fitting (which will empty your system if you take it off)
__________________
1983 300SD (daily driver) 1991 420SEL (work in progress) 1979 300SD (future replacement for 83 SD) RIP: 1983 300SD (totalled) 1986 420SEL
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#14
04-17-2013, 09:47 PM
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it's mostly because of the condensor; it's designed for R12 and doesn't work very efficiently with R134. some people have retrofitted a parallel flow condensor that works better with R134. i've heard people having good results with Freeze 12, and from my personal experience i have used Envirosafe which worked better than R134a but still not as good as the R12. i now only use R12 in my W126 and W116 because it works the best
__________________
1983 300SD (daily driver) 1991 420SEL (work in progress) 1979 300SD (future replacement for 83 SD) RIP: 1983 300SD (totalled) 1986 420SEL
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#15
05-01-2013, 11:47 AM
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Ok I got new r134 gauges and hooked them up and I guess since my compressor does not turn on got a reading of zero lbs on both high and low side
Shoud I try to charge the system to see if that Turns on the compressor or what should I do Thanks Kenny
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