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#1
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1986 560sl, where is the fuel pump relay?
How bout' the check valve? Doing the pumps and filter, might as well check the whole circuit while I'm making a mess of things.
Thanks. JBoggs |
#2
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Not sure what check valves you mean.
if you are talking about fuel return check valve, they are on the fuel pump itself. if you are replacing the fuel pumps,than you are replacing the check valves.good luck Harald Last edited by whunter; 12-19-2006 at 12:55 PM. |
#3
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fuel pump relay
It is behind the glove box, there are three relays there that look similar, the one on the right is the climate control relay, then there are two on the left, the one in front is the idle speed control relay and finally the one in the back is the fuel pump relay, pull the clips on the glove box insert and you will find it there.
http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=107048%5F14F&M=117%2E967&GA=722%2E313&L=765%2E707&CT=F&cat=14F&SID=54&SGR=120&SGN=06 Last edited by whunter; 12-19-2006 at 01:06 PM. Reason: spelling |
#4
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I just looked it up at work.
It is behind the behind the GLOVE box. The bigger black one is the idle speed speed control unit and on the right of it is a silver fuel pump relay. Last edited by whunter; 12-19-2006 at 01:05 PM. Reason: spelling |
#5
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Quote:
Bigger? all three are the same size Last edited by whunter; 12-19-2006 at 01:05 PM. Reason: spelling |
#6
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Quote:
Last edited by whunter; 12-19-2006 at 01:04 PM. Reason: spelling |
#7
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Quote:
I couldn't find a picture of the idle control relay, but for the 560SL it looks the same. http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=107048%5F14F&M=117%2E967&GA=722%2E313&L=765%2E707&CT=F&cat=14F&SID=54&SGR=120&SGN=06 Last edited by whunter; 12-19-2006 at 01:04 PM. Reason: spelling |
#8
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Hi Carson ,yes you are correct that the first one is the fuel pump and the second is for the a/c, but those are not for the 86 560SL.
I looked it up on AllData and they are saying that the fuel pump relay is a smaller relay and this one is silver. You are correct that that is the normal relay for the 126 and 124. But I think the 107 has a different relay. I wish I could post the pix from AllData so you could see Last edited by whunter; 12-19-2006 at 01:02 PM. Reason: spelling |
#9
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Quote:
The very week this was originally posted I had to troubleshoot a fuel supply issue, I had to bridge the fuel pump relay at pins 7 and 8 in order to bypass the relay and measure fuel pump amp draw. I assure you that for the 1986 560SL the relay is the larger black relay which is Mercedes part number 003-545-01-05 Last edited by whunter; 12-19-2006 at 01:02 PM. Reason: spelling |
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