F250 5.4 2000 timing

Asked by Aug 25, 2016 at 05:37 PM about the 2000 Ford F-250 Super Duty

Question type: Maintenance & Repair

I installed new timing chains, I put all the marks
where they supose to be and now the truck trys to
start shaking really bad and if it turns on, I have to
keep giving it gas to keep it on

2 Answers

49,425

If it ran before you changed the timing chains and tensioners you may have the timing off. If it is very far off valves will strike the pistons and you won't be happy. Timing chain service on OHC Fords has to be done exactly correct or you will have issues.

6,805

If you don't have any vacuum leaks and fuel pressure is good, your probably 1 tooth off on the timing chain. This usually happens when you install the timing chain while the slack is on the opposite side of the tentioner

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