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D24--INJECTOR TORQUING HELP[240-260/'84] posted by T. Tillman on
Thursday, 28 May 1998, at 12:14 a.m.
Hi Y'all!
Okay, I've wrestled with this thing long enough! How do I torque the top part of an injector on my D24? The bottom is a regular hex nut design (27mm), but the top part has only two flat sides (22mm). How the heck am I supposed to torque the top part down with the two fuel return ports sticking up on two sides? I've been told that the torque is 50 ft-lbs for both the top AND bottom sections, which I have found out is right, but that does me no good if I can't get a torque wrench and some sort of socket (or something!) on the top part. It has been suggested that I use a crow-foot wrench, but I have yet to find those in 1/2" drive, like my torque wrench (I know, I could use a 1/2" to 3/8" adapter), but clearence is really minimal. Can't get hardly anything in alongside the dang thing (it's the #1 injector)! I thought a 7/8" deep socket might just be the ticket for getting the job done 'til I saw the return ports. Do these ports unscrew? Also, just in case I rip the return lines getting them off, what size (I.D.) are those things?
The problem is that I have a leak coming from where the two sections join. Ain't much, but it's too much for me!
I'd sure 'preciate any help on this.
--T. Tillman - Texas '84 245 D24 249k
Re: D24--INJECTOR TORQUING HELP[240-260/'84] posted by Ed Lipe on
Thursday, 28 May 1998, at 7:40 p.m.
Mr. T,
Take the injector out of the engine. I believe it's a 1 1/16" or 1 1/8" deepwell to do this. Turn the injector upside down and place the flats of the injector in a vise. Use the socket on your torque wrench to torque it. First loosen it about a quarter turn then tighten it to spec. 50 ft lbs
Before you start this endevour, head to your local Bosch diesel repair shop and buy a heat shield. $3. Bosch part # 1 410 501 072, don't reuse the old one. When reinstalling the injector, be sure orientation of the heat shield is correct. little circle in the middle up ...I_/ \_I. Torque to spec, 50 ft lbs. I've replaced the nozzles in mine with no problems or leaks. BTW non-US spec nozzles are cheaper than US spec nozzles, $14 ea. compared to $60 ea.
ED7, '51 R25, '65 R69S, '67 1600 GT, '86 745 TD, '90 240 GL, '95 RWL