Pagoda SL Group
W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: NZ230 on July 07, 2023, 09:04:50
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Hello
I am trying to see if my fuel pump works (after 15 years of not running). I want to disconnect the supply line in the engine bay.. Which one is it and which one is the return line? Sorry for the amateur question!
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This should help
https://www.sl113.org/wiki/Fuel/FIPRemoval#toc-1.2
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I am not a mechanic, but I would have thought fuel supply goes from the pump to the fuel filter.
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Thanks for the link sent that was very helpful
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If you have a 230SL with the FI Pump that has the separate oil reservoir, I would empty that (suck out through the dipstick hole) and replace with fresh oil before running the FI pump.