3rd Gear Grind when hot
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New User
Joined: Apr 2004
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3rd Gear Grind when hot
I'm having a problem with my new,to me, '02 F-150 (4.2L 5sp). Whenever the truck is at normal operating temp, it grinds everytime going into third. Could this be all clutch related or am I facing a possible interal tranny problem 
? I'm assuming the owner before me beat this truck because the u joints were distroyed (47,000 miles).
Thanks for any help,
Jason
? I'm assuming the owner before me beat this truck because the u joints were distroyed (47,000 miles). Thanks for any help,
Jason
More Turbo
Joined: Dec 2002
Posts: 743
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From: MI -- farmboy
my 99 4.6 4x4 grinds sometimes going into 3rd gear. I guess we are not alone. It made me a little nervouse when I bought it with 70k on it, but after over 2 years of hard word and 30,000 miles more, its no worse. The only major complaint I have is the 42mph shimmy i cant get rid of.
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New User
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I've tried pumping the clutch twice and it does reduce the grind signifigantly. As long as the tranny doesn't blow up I suppose I can live with it for now, although I think I'll be looking to trade this in next spring, assuming no other major problems arise.
Hotshot
Joined: Aug 2002
Posts: 12,679
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From: BC, Canada
Crunching into 3rd gear is a common problem on the Mazda 5 speed transmission.
The cure is usually to replace the 3rd/4th synchro assembly.
Most of them will go just about forever even with the problem.
Sometimes changing the oil will help.
The cure is usually to replace the 3rd/4th synchro assembly.
Most of them will go just about forever even with the problem.
Sometimes changing the oil will help.
