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  '97 F-150 exhaust studs problems

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Author Topic:   '97 F-150 exhaust studs problems
stang106
Gearhead

Posts: 774
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001

posted 05-19-2004 08:11 AM     Click Here to See the Profile for stang106   Click Here to Email stang106     Edit/Delete Message   Reply w/Quote
An exhaust leak and inspection revealed broken studs both from exhaust manifolds to heads and from manifolds to tubing flange. The cause seems to be extream corrosion to the studs; the manifolds also are very corroded. Nothing else on the truck is corroded, the truck is very well cared for and aside from towing a 6,000 lbs trailer is not driven hard. I searched both the recalls and TSB's and found none. The F-150 online site also has no references to this problem, but the ocal dealer has seen a few.

Should I not use Ford studs again? Is headers woth the cost? Any ideas of this failure?
Thanks,
Dave

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SteveLaRiviere
Administrator

Posts: 38438
From: Saco, Maine
Registered: May 99

posted 05-20-2004 09:02 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
That's a strong indicator of excessive exhaust heat. You like to pull your trailer up the mountains, don't you?

------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

[This message has been edited by SteveLaRiviere (edited 05-20-2004).]

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stang106
Gearhead

Posts: 774
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001

posted 05-21-2004 11:51 PM     Click Here to See the Profile for stang106   Click Here to Email stang106     Edit/Delete Message   Reply w/Quote
Now that makes sense! Anywhere we go is over mountain passes, and that also probably explains why my rear-end oil is black every year. Too bad I only have 3:55 gears, I will get smaller tires this fall.
Dave

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