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  #1  
Old 04-27-2010, 06:34 PM
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1988 560SEL ABS problem

Hello i have a 88 560sel an the abs light comes on after a bout 2 mins..Then that car idles hi (1900rpm) then after a wile the light goes out then it idles normal...but as long as the light is on it idles hi...can anyone help me...thanks
AL

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  #2  
Old 04-27-2010, 07:45 PM
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Sounds like classic OVP relay failure. Do a search on that topic.
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1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition
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  #3  
Old 04-27-2010, 09:04 PM
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88 560

thank you
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  #4  
Old 04-27-2010, 10:46 PM
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You're very welcome and speaking of welcome, welcome to the forum. Most common issues like this are thoroughly documented in posts or DIY articles. You should read those just to get a sense of what can and will go wrong with your car.

As to the OVP, it's a dirt simple task to replace. If you're good with a soldering iron, you may find that opening said relay will reveal cracked solder joints that can be re-soldered to yield a perfectly functional relay. Sadly, the OVP relay is not the only place where cracked solder joints wreak havoc on these cars.
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1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition
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  #5  
Old 04-28-2010, 08:47 AM
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88 560sel

that is good to know...i will read up on it...this is the first 126 i have own i have had 2 300D... an the only problem i had with them is the tranny an glow plug relay but both easy fix i do most all work on my own cars...but electric problems still work my nerves...
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  #6  
Old 04-28-2010, 09:22 PM
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Location: New Plymouth, New Zealand
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I agree with the OVP. Classic Symptoms

Although I've never had any luck resoldering the internals.

Not sure what they cost now, but from memory they were quite cheap.
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  #7  
Old 04-29-2010, 10:18 PM
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88 560sel

Thank you... i think i will just get a new 1...
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  #8  
Old 04-29-2010, 10:45 PM
mak mak is offline
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Location: Westfeld .
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Quote:
Originally Posted by kiwi_bloke_nz View Post
I agree with the OVP. Classic Symptoms

Although I've never had any luck resoldering the internals.

Not sure what they cost now, but from memory they were quite cheap.
I had a poor solder joint at one end of the OVP Zener diode , re-soldered and is still operational .I did the same to the Fuel.P relay , and it rectified the stalls. The question is the mechanical wear on the relay hinge and point erosion.maybe best to replace with fresh ones after so many years of use.
mak
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  #9  
Old 04-30-2010, 05:10 PM
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have been reading a lost of post...an it is good that it is a lot of good people on here that are willing to help...i have found out how to fix the problems i had with my 560 an it cost me minimal $...so thank for all the help...an i will give back as much as i got...
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  #10  
Old 04-30-2010, 08:50 PM
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Post these question on the buy/sell/trade area of this forum. BTW - it ain't chrome, it's silver paint. If I had the $$, I'd have mine powder coated black.

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1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition
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