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This is just a short story of what happened to my 2004 Honda Civic. The chances of this happening is like that of getting hit by lightning.

It stated two year ago when the car overheated an needed a head repair. When my son had the repair made he had the timing belt, all other belts and gasket replaced. For two happy years it perform without incident. Then troubles started in March 2015.
1. Crank sensor error. Can't remember the code.
2. Timing belt slips two months latter. Car no longer runs.
I loan him my 2007 Honda Aoccord as we investigate and this is what happened.
1. Screw holding crank sensor in place loosened and fell out.
2. It fell to the bottom of the timing cover, eventually breaking one of the timing pulley locator ears off.
3. Bolt continued to tear up timing belt.
4. Belt finally slips.
Result, four bent valves and major tear down.
ps: While my son was driving the 2007 Honda Accord the timing chain slipped on that. Engine was recently replaced with one that only had 26,000 miles eight months ago.

What are the odds of this happening?

Welcome to the forum. Rare to none. What a bad experience. Hope you get both up and running. Hondas are suppose to go for years with normal maintenance. Not go ballistic.

Got the civic back on the road, but forgot to put the VTEC seal in the cylinder head! Will have to remove valve cover to put it in. For now, just a lack of performance @4500RPM.

The Accord is a different story. Found that links in chain came off causing catastrophic valve damage. Using the Honda crank pulley tool to remove pulley caused a Crack in the pulley casting. This damage alone brings the cost to over $700. Haven't removed the head yet to see if there is cylinder damage. May possibly drop in a used engine.

keep your son away from your automobile problem solved.

Quote:

Originally Posted by lowlife9 (Post 25596)

keep your son away from your automobile problem solved.

Adam is 29 and a conscientious driver! He was not the problem. Perhaps I would have been wise to put a new timing chain on the engine before installing. Don't have any idea how long it sat in salvage without lube. If I drop another engine in, it will have a new timing chain and valve adjustment.