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2003 Ford E-Series Van how to determine timing chain slippa

Tiny
CLAY CUPIT
  • MEMBER
  • 2003 FORD E-SERIES VAN
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 188,000 MILES
My van is running a little rough, and sounds like I got a piston or 2 kissing my valves. How do I determine if I have a Timing Chain Slippage or a valve train failure?
Friday, February 5th, 2010 AT 6:26 PM

3 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Well first I need some info before I can help. What 6cyl do you have? Get back to me with that and we will go from there.
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Saturday, February 6th, 2010 AT 8:43 AM
Tiny
CLAY CUPIT
  • MEMBER
  • 4 POSTS
Sorry about that, It is a V6 4.2 and does not have DOHC''s.

Started it again, just sounds like a diesel, but still runs.

How do I detemine Timing time slippage or major valve train failure?
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Saturday, February 6th, 2010 AT 11:10 AM
Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Ok what you would have to do is bring it up to number 1 compression stroke and then check to see if the timing mark on the harmonic is at 0.
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Monday, February 8th, 2010 AT 4:03 PM

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