CAREFULLY take the old sender apart by unscrewing the slotted brass nut ~ I use mini water pump pliers .
Most of the time I find all manner of sludgy crud and the hair thing delicate wires are filthy too ~ clean everything with fungus killer or alcohol and gentle movements .
Do this BEFORe you install the new injectors and remove and clean the in take fuel screen too ~ takes a 46MM or BIG water pump pliers to get it loose .
-Nate
Mark wrote :
I am still accumulating miles on the '77 240D. It still falls on its
face every once in a while, but is back to normal on the next start. I
have collected almost everything needed for a major run-in with the engine.
Fast glow plugs
Valve adjusting wrenches
Monark injectors
Return hose and end
Finished replacing the accessory belts, tightened the steering gearbox,
replaced the fuel sending unit with a somewhat better one, repaired the
turn signal stalk that doesn't stay engaged by using a dental drill to
grind out the detents.
She's gotten me to work every day, hauled trailers full of limbs and
wood. Been paying its way.
I took my original one apart and cleaned it with some improvement, but not enough to be sure of any sort of accuracy. I bought one on Ebay that was supposedly "renewed" but last night at 0 dark 30 in the morning, I found myself walking down a back road a good two miles from town. The gage insisted that I have a quarter tank left. Somebody lied.
As long as I have the old one sitting here, I am going to take it apart one more time and take a stab at bending the contacts on the float.
This looks like the best instruction I've seen.
-- Mark L. Bardenwerper, Sr. Technology...responsibly, thoughtfully
Posted by: Mark Bardenwerper <citrogsa@charter.net>
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