Chrysler 300m engine knocking after replacing plugs and wires??
I am looking at buying a 1999 Chrysler 300m the car is in immaculate shape but...the lady that owns it now says that she took it to midas because it was running a little rough. They changed the plugs and wires but they told her that engine still has a small "knocking sound to it". She wants $1900 for it...It has 100,000 miles. My question is could the cylinder still not be firing making the engine knock sound? Could it possibly be a coil pack? Is it worth buying it at that price even if I have to replace the motor in a couple of months?
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Re: chrysler 300m engine knocking after replacing plugs...
Absolutely NOT, to many unknown miles, if you are dead set on it, at least take it somewhere and have a compression test done and do this in person! you can buy that car all day long at dealer auctions from 400 to 800 dollars, a new, or used engine and the labor will be in the four figures, usingprofessional people, the old saying is, if it sounds to good to be true then it mostlikely is! take your time and at this time in or world i know you will find something that will give you much more and better service, hope we helped, and good luck to u..
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written and video instructions here plus where to buy.
how to change rear struts on 300m - JustAnswerwww.justanswer.com/chrysler/3p878-change-rear-struts-300m.html
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There is a Knock Sensor (1) on this engine, but is in the center of the engine UNDER the intake manifold on the block (in the valley, the valley so low). Check the values of the voltage in a Chiltons or OEM book and unplug it from the rear and test it before you remove it. (Quite a job removing the plenum, wires, Manifold and finally the knock sensor (about 75 bucks in the Midwest at a parts store). If so, you are lucky in a 3.3L you have to remove a HEAD.
remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley