Posted by dhermesc on December 10, 2010 at 06:17:02 from (24.248.193.103):
In Reply to: O/T 2001 Chrysler posted by John B. on December 10, 2010 at 03:55:16:
The 2.7 engine by Chrysler is a POS. While it has decent power it has two major problems. First it runs extremely hot by design. Second the extremely cheap water pump is run by the timing chain. The water weeps water into the oil - causing sludge - made even worse by the high heat situation. The sludge builds up and you lose oil pressure to the hydraulic tensioners on the timing chain - chain get loose and slips a few teeth and the inference engine destroys itself when the valves hit the pistons. Or the cheap water pump simply destroys itself engine looses time the the valves hit the piston destroying the engine.
Two things a person can do to make a 2.7 run for a normal amount of time - use synthetic oil and change it every 3k or less (resists sludge) and replace the water pump, timing chain tensioners, timing chain and sprockets every 60K-80K miles.
You can't find a salvage 2.7 engine - they are snatched up as soon as a salvage yard gets a car in - there are waiting lists for it. Not that you really want a used engine because it could be as bad as the one you have. If you get a used engine replace the water pump, tensioners, timing chain and sprockets. Rebuilt engines for this car run in the $3000-$4000 range.
While some say the problems were limited to the LH cars it is actually all cars using the 2.7 engine and the "improvements" made in 2002 (larger oil pan high volume oil pump) helped the same basic issues are still designed into the engine and they fail at an alarming rate.
Unless the car is free - don't take it. As soon as you get the engine running you'll need a transmission.
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