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Bill Putney wrote:
> High Sierra wrote: > >> Bill Putney wrote: >> >>> High Sierra wrote: >>> >>>> I wonder what the failure rate is for properly maintained 2.7 litre >>>> engines? >>> >>> >>> >>> >>> I doubt if anyone, including DC, knows (but I bet they, from some >>> statistics, have a better idea than *we* do). 8^) >>> >>> I *can* say this: Some changes were made in the '00-'01 time frame >>> for the specific purpose of reducing sludge buildup and improving the >>> lubrication system. >>> >>> An example: You'll see posts by people on the Chrysler forums >>> (primarilly www.dodgeintrepid.net) about the rubber elbow that >>> connects the pipe from the valve cover to the PCV valve routinely >>> clogging up (not just partially, but totally occluding) with a >>> mixture of powdery and gummy soot (and the walls of the elbow itself >>> getting gooey/gummy. Starting in '00 (or '01 - haven't been able to >>> nail it down for certain), they redesigned the pipe to the PCV valve >>> to include a little heat exchanger (an existing small coolant hose is >>> spliced into the two coolant ports of the heat exchanger) to steal >>> some heat to prevent the blow-by gases from condensing out in the >>> pipe and clogging it, disabling the PCV system. >>> >>> Why did they do that (and other lube system improvements) if there >>> weren't a (real) problem? >>> >>> (BTW - for those with earlier 2.7 engines, you might be interested in >>> replacing the existing PCV pipe with the redesigned one with the heat >>> exchanger - it is a drop-in replacement. I did it to mine a few >>> weeks ago - DC P/N 04663792AH - $20-30. You need to replace the PCV >>> valve at the same time - I recommend dealer item on that too as I've >>> seen too much crap in PCV valves in the aftermarket world even from >>> otherwise reputable companies like Purolator.) >>> >>> IMO... >>> >>> Bill Putney >>> (To reply by e-mail, replace the last letter of the alphabet in my >>> adddress with the letter 'x') >> >> >> >> Well then, I'm glad my Sebrings a 2004. >> >> BTW would you consider a check of the PCV system part of a grease, >> oil, filter job? > > > Sure. But whether it is considered as part of the other maintenance > items, the important thing is that it does get checked and maintained on > some regular basis. > > BTW - there's not really anything to do in the "grease" category, unless > you have a separate differential sump like on the LH cars and > check/periodically change the gear oil (if you want to call that > "grease". 8^) Only time you would have zerks is if you have certain > aftermarket suspension parts. > > Bill Putney > (To reply by e-mail, replace the last letter of the alphabet in my > adddress with the letter 'x') Thanks for the info. As far as grease fittings, on my Sebring, I was just using 'grease, oil & filter" as an expression. Now, my RAM 1500, that's a different story. :-) |
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