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No compression in one cylinder

Tiny
SPINNER8
  • MEMBER
  • 2007 MAZDA 3
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 195,000 MILES
Driving down highway I heard a noise in the engine for a few seconds then it was gone. Fifteen minutes later the battery light came on and the car shut down with major smoke coming out. When the smoke settled I looked under the hood and my belt snapped and came off. The garage I had it towed to said there is no compression in one cylinder and the engine needs to be replaced. Is there no alternative for repairing this problem.
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Monday, October 2nd, 2017 AT 4:55 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
You will have to do a full re-build as the rings have collapsed with the heat, and bearings may have been over heated also. Pistons can also be affected. Cost wise, a change over engine is often the quickest and cheapest option to re-building yours.
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Tuesday, October 3rd, 2017 AT 3:00 AM

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