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Old 11-18-2011, 10:43 AM   #1
obidya's Avatar
Join Date: Sep 2011
Location: Fort Wayne, Indiana
Posts: 1,502
Car question

My mother in law has a 2000 Chrysler 300M with the 3.5 HO V6.
I know these engines have oil passage issues to begin with, and she has repeatedly gone way over on oil changes 3k-5k over. she was not running full synth despite my recommendations.

Her engine is starting to sound horrible, squeaking and chattering. I'm pretty sure its oil passages are clogging due to the old oil but the sounds did not go away when I cleaned out the sludge, flushed it, and put full synth in with a shot of lucas.

Does anyone have any reasonable suggestions on saving this engine? I fear the uppers are not getting lubed properly and it won't last much longer.

Black 97 Sahara 4.0L 5 Speed - Fully Cloak'd
1.75" BL with 35"x12.5" Wrangler MTR w/ Kevlar 10k Engo winch
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Old 11-18-2011, 11:29 AM   #2
Join Date: Jul 2011
Location: Broken Arrow, OK
Posts: 2,305
Bilstein used to make, and may still make, a flush machine that works better than anything else I've seen. It heats up solvent and pumps it into the engine through the oil filter adaptor. By pumping it in through the oil filter adaptor it both pressure cleans the top end and back flushes the pump and pickup to get sludge out of places you can't reach by hand without taking the engine apart. As it is pumping the solvent in it sucks it out through the drain plug, filters it and goes again.

I always considered using the Bilstein a last resort because it flushes all of the oil out of the engine and basically leaves it dry at the next startup. This never caused any problems, but it made me nervous. I was able to save a few engines with it, but there were a lot of others that were too far gone. It may be worth a shot if you can find one. I'm sure there are other machines out there that do the same thing, but the Bilstein is the one I'm familiar with.

2012 Silver Sport S, Silver, 6 speed, soft top, 3.73s, LSD, PCG, Infiniti, deep tint windows, Pro Comp 1028 wheels, 33" Duratracs, Smittybilt bumpers and steps, KC fog lights, Mopar slush mats and fuel door.

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Old 11-18-2011, 01:57 PM   #3
obidya's Avatar
Join Date: Sep 2011
Location: Fort Wayne, Indiana
Posts: 1,502
man someone needs to let me borrow one of those, that sounds fantastic.
Black 97 Sahara 4.0L 5 Speed - Fully Cloak'd
1.75" BL with 35"x12.5" Wrangler MTR w/ Kevlar 10k Engo winch
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