The mechanic installed the rebuilt head in a 2006 Ford Focus 2.0 DOHC. The #2 piston hit the spark plug when he tried to start. What happened?

Asked by Jan 04, 2015 at 07:42 PM about the 2006 Ford Focus ZX4 SE

Question type: Maintenance & Repair

2 Answers

116,485

Timing belt was installed incorrectly and the piston actually hit the valves. Time to remove the head again.

2 of 2 people found this helpful.

Ok, thanks for reply. The mechanic, an independent shop owner, took the head off and now says the number 2 piston is broken. He said he will repair it but now expects me to pay for the piston. In fact, he suggested replacing all 4 pistons. When I brought it in the first time, it was determined one of the exhaust valves in cylinder 3 had a chip broken. Which I saw and have a photo. So, the head was completely refurbished and reinstalled. Based on your answer, the timing belt was installed incorrectly I should not have to pay any extra. And if the piston hit the valves, I assume they are damaged, too. Is there a youtube video showing how to install the timing belt, (it's actually a chain in the 2006 Ford Focus 2.0 DOHC) that I could give the mechanic. Please advise.

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