Thanks Ned! Any other insights regarding measurement or timing chain replacement for your car?
Very respectfully, /s/ Max Dillon '87 300TD 320k miles '95 E300 274k miles (project) '73 Balboa 20 Charleston SC -----Original Message----- From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com] On Behalf Of ned kleinhenz Sent: Thursday, February 18, 2010 10:51 AM To: Mercedes List Subject: Re: [MBZ] OM606 Timing Chain Wear Measure Max: I'm still here. But too busy to keep up with the list every day. So I apologize for this late response. Of course you have my permission to use the information. Ned Kleinhenz << Date: Tue, 16 Feb 2010 09:25:49 -0500 << From: "Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC, 53310" <meade.m.dil...@navy.mil> << To: "Mercedes Discussion List" <mercedes@okiebenz.com> << Subject: Re: [MBZ] OM606 Timing Chain Wear Measure << Message-ID: < 1370e90cffd2ac4b8cb65267ba10c4b801db9...@naeachrlez02v.nadsusea.nads.nav y.mil > << << Content-Type: text/plain; charset="us-ascii" << For posterity, using Ned's method, I got very similar results (between 2 << and 3 degrees of wear). << -Max << -----Original Message----- << From: mercedes-boun...@okiebenz.com << [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Max Dillon << Sent: Monday, February 15, 2010 4:55 PM << To: 'Mercedes Discussion List' << Subject: Re: [MBZ] OM606 Timing Chain Wear Measure << Answering my own post here. Searched the archives and found an exchange << between Ned Kleinhenz and Marshall Booth, here's the key part below. << Ned if you're still on this list, I'd like permission to also post this << great tidbit on the MBCA forum and credit to your name. << -Max << ------------------------------ << -------------------- << Glad I took Marshall's advice and replicated the chain stretch << measurement on my '95 E300D with the OM 606.910 engine. My first << measurement on Saturday was 4 deg. << The subsequent measurements, today, were 3 deg, 2 deg and 2.5 deg. << Think I'll keep this chain and check it again in 30 or 50k miles. << I discovered an important trick that other 606 engine owners may want to << know - The cam can be indexed for #1 piston TDC by running a pin through << holes that align the left cam gear and the front cam tower. One of the << bolts that holds the cam cover on the head is the perfect size to use as << this pin. << This bolt will fit tightly enough that I estimate the bolt will only fit << through both holes within < 1/2 deg of crank rotation. << When looking at the engine from the front of the car, correct crank << rotation is clockwise. To measure chain stretch, you must approach the << index postion only from the clockwise direction. Backing the crank off << a fraction of a degee reverses the play in the chain and makes the << measurement meaningless. << Ned Kleinhenz << '95 E300D x2 << '85 300D << '80 300TD << ------------------------------------------------------- << -----Original Message----- << From: mercedes-boun...@okiebenz.com << [mailto:mercedes-boun...@okiebenz.com] << On Behalf Of Max Dillon << Sent: Monday, February 15, 2010 4:37 PM << To: mercedes@okiebenz.com << Subject: [MBZ] OM606 Timing Chain Wear Measure << Dieselvolk, << I'm trying to measure the timing chain wear on my '95 E300 (OM606). I << cannot for the life of me find any marks on the camshaft at the #1 << bearing tower. I've made this check on OM617 and OM603 engines, so I << know what I'm looking for, but this OM606 has got me stumped. << Anyone know the trick? << There is a set of marks on the third cam bearing tower and the primary << camshaft (two camshafts on this engine, remember), but they are not << easily aligned for a precise measurement. When I line them up, it looks << like timing chain wear is about 4 degrees. There's also a hole in the << gear on the second camshaft, and that hole can be aligned with a hole in << the #1 cam bearing tower. When I line that up, I measure about 10 << degrees of wear! << Very respectfully, << /s/ << Max Dillon << Charleston SC << '87 300TD 320k miles << '95 E300 274k miles "project" << '73 Balboa 20 _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
