2000 LHS ENGINE KNOCK #4 CYLIDER

  • Tiny
  • mgmccoy1982
  • 2000 Chrysler LHS
  • 6 CYL
  • 2WD
  • automatic
  • 108,000 miles

I just bought a new Chrysler 2000 LHS 3.5L V6. I am over seas and the guy told me it runs like a champ and now I know that it has a knock in the engine he says is the #4 cylider. When my POC came to pick it up he said it would not drive Two hours to where I live. I asked for the money back but he refused. So I am stuck with a car that I cant drive. I have very little money to spend on fixing a car I thought works. So for $1K or less how can I fix this and what could it be? Thank you.

Friday, November 26th, 2010 AT 8:14 AM

7 Answers

  • Tiny
  • mhpautos
  • Expert
  • 29,806 posts

You will have to do some investigation first, may be pull the sump and check the bearings, we need to know where the problem is before setting out a repair scheme.

Mark (mhpautos)

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Friday, November 26th, 2010 AT 8:19 AM
  • Tiny
  • rasmataz
  • Member

Is it making a ticking/tapping/thudding/thumping type noises

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Friday, November 26th, 2010 AT 8:21 AM
  • Tiny
  • mgmccoy1982
  • Member

What makes a engine knock in the first place? Especially in a cylinder.

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Friday, November 26th, 2010 AT 8:48 AM
  • Tiny
  • mhpautos
  • Expert
  • 29,806 posts

Worn or damaged bearings are the main cause of engine knocking.

Mark (mhpautos)

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Friday, November 26th, 2010 AT 8:50 AM
  • Tiny
  • mgmccoy1982
  • Member

Is that costly to fix?

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Friday, November 26th, 2010 AT 9:27 AM
  • Tiny
  • mhpautos
  • Expert
  • 29,806 posts

To do it properly it can be, if the crank is damaged the engine will have to be stripped and the crank re machined.

Mark(mhpautos)

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Friday, November 26th, 2010 AT 9:53 AM
  • Tiny
  • rasmataz
  • Member

To make things easier for you if its on bottom end knock-just get a crankshaft kit or have it reground and use the correct undersize bearings like Mr. Mhpautos suggested-

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Friday, November 26th, 2010 AT 10:12 AM

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