4.6 won't start after head job


Asked by Jul 31, 2016 at 12:35 AM about the 2001 Ford F-150 XLT Extended Cab 4WD LB

Question type: Maintenance & Repair

Where should I start on figuring out why
my 01 f150 4.6 won't start after a head job.
I might be off one tooth on timing would
that stop it from starting

3 Answers

Bob Beaman

Being off on the cam timing can bend the valves.

1 out of 1 people think this is helpful.

yeah, the timing has to be spot on- also, on 21st Century cars, there are many other things that can go wrong doing your own work- that ain't your father's F-150


Check the timing mark when piston #1 is TDC. U can have the timing mark when piston is down vs up and that can cause it not to start. If the mark is ligned uo, check both cam timing marks again

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