Can it be replaced later without breaking the chain apart? Sent from my iPhone
On Jan 13, 2013, at 9:48 AM, Max Dillon <meadedil...@bellsouth.net> wrote: > Chain and sprocket wear together, but the socket wears much more slowly. > Take a look while you're there, easy to replace later if needed. Keep in > mind that if this cam sprocket is worn, so will the IP timer sprocket and the > crank sprocket. Those are not so easy to replace. > -- > Max Dillon > Charleston SC > '95 E300, '87 300TD, '73 Balboa 20 > > dsereta...@yahoo.com wrote: > >> What about cam sprocket? What's likelihood of wear on that at 250K >> miles? >> >> Sent from my iPhone >> >> On Jan 12, 2013, at 9:04 PM, Dieselhead <126die...@gmail.com> wrote: >> >>> The lower rails in the block don't wear much. At 250k the banana >> rail is a tossup. I'd order a new one, and not feel bad if I didn't >> use it. I have some extra rails I didn't use on the M116. Too hard to >> get to in the block, and on inspection, not worn badly; so I didn't use >> them. On the one OM616 I did, i put in a new banana rail. It was >> ~220k. The old banana rail would have worked for another 150k - 250k, >> but I just changed it. I did have the head off. >>> >>> I did use the bolt and prybar technique once, but it bends the bolt, >> so I prefer the stack of washers. >>> >>> >>>> Ok good to know. I wont bother with lower rails then. To change the >> banana rail, it looks like the cam sprocket has to be removed. Should I >> just order a new one or use old? Not sure about wear. Car has around >> 250K miles. >>>> >>>> Sent from my iPhone >>>> >>>> On Jan 12, 2013, at 6:27 PM, Dieselhead <126die...@gmail.com> wrote: >>>> >>>>> Generally, you don't change the rails in the block unless you have >> the block out to work on it. You can change the banana rail with the >> head on, but the others...forget about it. If the engine had 400k or >> 500k miles on it, that'd be a different story. at under 250k there >> should be no reason to change the lower guides, and the banana rail is >> questionable how worn it is. Change the chain and the tensioner, and >> maybe the rails in the head. (banana on the tensioner and the one on >> the IP side.) >>>>> >>>>> If the pistons and/or cyl liners need to be changed, then change >> the rails in the block, and the crank sprocket. >>>>> >>>>> >>>>>> 240D >>>>>> >>>>>> On Sat, Jan 12, 2013 at 5:10 PM, Rich Thomas >>>>>> <richthomas79td...@constructivity.net> wrote: >>>>>>> what kind of car is it? On the TD and the SD you basically just >> undo the >>>>>>> cap screws holding it on, after you get some stuff out of the >> way. >>>>>>> --R >>> >>> _______________________________________ >>> 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://mail.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://mail.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://mail.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://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
