ip timing instructions240d

[C.Doner]

I'm looking for good instructions for checking and setting the Ip timing on a 1983 240d with a 616 912 engine 287k. the hanes manual shows a different model injection pump. It seems most of the DIY articles are for the 617 turbo or others.Does anyone has specifics for this engine or know the article links for it. Do I have to remove the delivery valve and spring? do I need the spline tool to remove them. It does not look like the injection pump I have in the picture. By the way I just replaced the timing chain ,guides, adjusted valve lash and replaced fuel filters and primer pump. it runs much better since the chain replacement , but it smokes heavily of diesel at idle . a fuel smelling blue white smoke. the engine runs strong and smooth on the highway. no obvious misfireing and no obvious smoke, but at idle it runs rough and smokes. I've noticed that when I loosen the no. 4 injector pipe at 800 rpm idle the smoking seems to lessen and not much change in engine function, but when i loosen no 4 injector at approx. 1000 rpm it makes a huge difference in engine function. It bogs down a lot. I havnt checked the compression I figured it was o-k since it runs so well on the highway and starts easily It likes to go 75 on the highway and burns little oil 1/4 quart on 500 miles. please help thank you. Chris

The IP timing procedure has been described here so many times that a quick search will probably produce more copies of it than you could read this afternoon. I just described for someone on here a few days ago.

Given your description, you really should do a compression or cylinder leakdown test and ascertain the engine condition first.

Good luck,

[Stevo]

Chris

If you need the splin tool to remove the delivery valve and spring then you proly have the Euro IP, which requires a little different treatment when re assembling. I would try this first... The timing may have been advanced to compensate for the chain some time ago. Mark where the IP meets the block and pull the IP AWAY (retard) from the engine just a skosh (1/64"+-). See if that helps. If not move it back. You may get lucky

[C.Doner]

I just got the readings and i am relieved. although they do differ somewhat they arent too low i think. How does 350 for #1 410 for #2 and 380 for #3 and #4 Is the 410 too high? maby carboned rings what about 350 somewhat low but acceptable. right? what about the difference between #1 and #2? well I'm ruling out compression as a problem for now. on to the IP and injectors. Oh yea I found a fuel leak back by the tank maby this is the problem or one of them. I suppose this could be a combo effect of multiple things. Maby someone has more details on the euro model IP or maby I'll take it in to an Indy. I was hoping to avoid the latter. I'll do a search and look for the spline tool in the rental program.

[Stevo]

Originally Posted by C.Doner

I just got the readings and i am relieved..

Maby someone has more details on the euro model IP or maby I'll take it in to an Indy..

Those are good readings, some folks would kill for them

I have never had the delivery valves out of my Euro. There was a post a while back where a guy ran into problems taking apart one of those I'm sure the jobs doable its just "different" than the US car procedure. You need a good torque wrench.
Your fuel leak could have caused air to enter the system.

You could try that bumping the IP. The PO could have easly advanced the timing to compensate for a stretched chain.

[C.Doner]

thanks for the tips. as for removing the splines from the Ip i think i will wait until I find specific details on my model. I have a torque wrench, but I have no specs. Hopefully I'll get lucky with budgeing it a little back. I'll let you know how it works . I dont know when I am going to get to it. I have spent a lot of time on this car lately. Maby this weekend I'll dive into it. I really want this car to run well. I'm sure it will happen. Its a patience thing i guess.

[C.Doner]

After searching through articles in this site. I have determined that this euro w616style ip is simular to the w603 style ip. you need to torque the delivery tube to 30 ftlbs back off then to 30 ftlbs again then to 35 ftlbs.I'LL have to go back and do it again. There was nothing about this in the hanes manual. I guess I may want a genuine book on this engine.If anyone has one for a euro 240d 1983 let me know. By the way do I need to replace those little copper washers that go around the delivery valve.