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W113 Pagoda SL Group
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W11x chassis cars
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W111 1969 2.8 l fuel pump problem
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Topic: W111 1969 2.8 l fuel pump problem (Read 4384 times)
symonb
Guest
W111 1969 2.8 l fuel pump problem
«
on:
April 18, 2017, 21:56:31 »
Hi. My 1969 280se 2.8 cabrio long fuel pump has packed up.
Can anyone please advise as to where I could get the flow rate and pressure measurements for this pump. (or where I could get a replacement)
I am really struggling on both counts. Many thanks.
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m300cab
Associate Member
Silver
USA, Pennington New Jersey
Posts: 375
Re: W111 1969 2.8 l fuel pump problem
«
Reply #1 on:
May 10, 2017, 23:56:05 »
i don't have the info you requested but
you should check the screen inside the pump, sometimes they get clogged
there's a fuel tank filter, fuel pump filter (inside intake nozzle)
, and fuel injector filter under the hood
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Michael Parlato
Benz Dr.
Associate Member
Platinum
Canada, ON, Port Lambton
Posts: 7220
Benz Dr.
Re: W111 1969 2.8 l fuel pump problem
«
Reply #2 on:
May 11, 2017, 04:27:46 »
You need about 10 PSI and 1 liter in 15 seconds for the pump to be considered a good unit. Check fuel pressure at the CSV fitting and fuel volume after the fuel damper where the line runs back to the fuel tank. If all of these things check out, test the return fuel line running to the tank with compressed air to see if anything is blocked. Remove the gas cap first and put a rag around your air wand to prevent blow back into your face.
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA ''The Red Rocket ''
Dan Caron's SL Barn
1970 3.5 Coupe
1961 190SL
1985 300CD Turbo Coupe
1981 300SD
2013 GMC Sierra
1965 230SL
1967 250SL
1970 280SL
1988 560SEC
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W111 1969 2.8 l fuel pump problem