Do you need to replace the head bolts when i change the head gaskets on a 90 Ford F150. I know you have to on a 3.8 but I have never heard that you have to on the 5.8.

Asked by Apr 12, 2012 at 10:15 PM about the 1990 Ford F-150

Question type: Maintenance & Repair

4 Answers

13,195

It's always best to change them, but you can get a good idea if they are stretched by taking a small metal straight edge and laying it against the bolts if the threads are pulled you will see it.

1 of 1 people found this helpful.
1,505

Pitted rusted. Best way for bent lay on ground bench flat surface and roll it it will tell you straight away! And lay all

1,505

Bolts side by side if all the same use again...

175

you dont have to unless they are torque to yield bolts then you would have to change them

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