Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help




Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 07-26-2008, 01:21 PM
777funk's Avatar
Registered User
 
Join Date: Dec 2006
Posts: 944
Quick 603 IP Timing Question-IP locking tool

I just removed my IP. The IP Cam locking tool used to keep the IP in position locked with the IP slot at 12 degrees ATDC.The Manual says it should be locking at 15 deg ATDC. See Manual link:

http://mercedes.justanswer.com/uploads/rmillerphd/2008-04-19_114530_a1.pdf

I looked with a miror and the timing blade of the IP cam is center right at 12 Degrees.

So... what should I do when re-installing? Just put it all back together exactly as it was or do I need to do a little research into my engine's timing?

It ran fine. It was a little lopey at idle but seemed ok. My guess is that if anything it may be a few degrees retarded? I'm not sure though.
__________________
-7.3 Powerstroke Diesel 15P Van 500k+ miles
-E320 '95 200k

Sold
-E320 Wagon 1994 155k
-300d Turbo '87 187k miles
-E320 1994 200k
-300d Turbo '84 245k (sold to Dan62)
-300d Turbo '84 180k
-300sd '80 300k
-190d '89 Non Turbo 2.5 5cyl 240k
Tom's Imports of Columbia Missouri Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's!
Reply With Quote
  #2  
Old 07-26-2008, 06:44 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,759
12* ATDC is advanced, not retarded. I would dial it back to at least 14*ATDC.

How's chain stretch? If you don't know, you can't check until the IP is back in place.

Sixto
87 300D
Reply With Quote
  #3  
Old 07-26-2008, 07:38 PM
777funk's Avatar
Registered User
 
Join Date: Dec 2006
Posts: 944
The thing I think I question is the Needle pointer's accuracy. I mentioned this in a thread a while back and then Dave from this forum (GSXR) brought it back to my memory when I asked him a few questions. I'm pretty sure the pump has only been out once (today) in the life of this car. So I put it back where the factory had it. Hopefully it's good. I retarded the timing almost as far as it would go just before all this happened with the oil leak and it seemed to run very poorly. Sooo.... I think it's on target. That's why I question the needle pointer. It may be off a hair. But I'm not tearing the head off to check! So... hopefully it's ok.

Sixto, as far as timing chain stretch, I think this is the original chain. So I'd bet it's nice and stretched! Probably should get a new one soon. That's a job I'm putting off though.
__________________
-7.3 Powerstroke Diesel 15P Van 500k+ miles
-E320 '95 200k

Sold
-E320 Wagon 1994 155k
-300d Turbo '87 187k miles
-E320 1994 200k
-300d Turbo '84 245k (sold to Dan62)
-300d Turbo '84 180k
-300sd '80 300k
-190d '89 Non Turbo 2.5 5cyl 240k
Tom's Imports of Columbia Missouri Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's!
Reply With Quote
  #4  
Old 07-26-2008, 07:56 PM
Diesel911's Avatar
Registered User
 
Join Date: Sep 2007
Location: Long Beach,CA
Posts: 27,038
If the locking pin lined the pump up perfectly when it was installed at the factory I think the difference now might have to do with the timing chain stretch/wear on the timing gears.
If you locked the pump before your removed it and did not rotate the engine it should go back to where it was. But if it was a few degrees off before the pump was removed it should still be a few degrees of when you put it back on.
My thinking is that on an engine with wear on the Timing Gears/Chain that the IP timing pin will only get you in the ball park and you will still have to re-time the pump to get the exact timing.
On the vary last page (at the bottom) of that manual you posted after the IP Timing Pin is removed; #16 "Check start of deliveryh;set start of injection if necessary." Indicating that you should check the IP timing after the IP is installed and correct the timing if it is not correct.
__________________
84 300D, 82 Volvo 244Gl Diesel

Last edited by Diesel911; 07-26-2008 at 08:03 PM.
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 10:10 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page