Serpentine belt replacement?

ROBF150

MEMBER
2 POSTS
2001 FORD F-150
V8
2WD
AUTOMATIC
100,650 MILES

I have to replace the alternator on my f-150 5.4l but I can't get the belt loose, I have a 1/2" strong arm but it won't go into the hole far enough to get a good grip. I even went to the nearest auto store and rented a tool they had (serpatine belt pulley) and they said would work but it won't do the job either. Any suggestions?

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Thursday, July 16th, 2020 AT 11:29 AM (Merged)

MASTERTECHTIM

MECHANIC
4,750 POSTS

The tensioner should move fairly easy. If your is seized and wont move, what I do is break it off then replace it. Or cut the belt then unbolt it and replace it.

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Thursday, July 16th, 2020 AT 11:29 AM (Merged)

ROBF150

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2 POSTS

Thanks for the information, I will try it.

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Thursday, July 16th, 2020 AT 11:29 AM (Merged)

SHARON71

MEMBER
1 POST
2002 FORD F-150
V8
4WD
AUTOMATIC
10,000 MILES

I would like to know how to put alternator belt on and how to do the tension thing

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Thursday, July 16th, 2020 AT 11:29 AM (Merged)

EDWARD.S

MECHANIC
166 POSTS

Hi, Before Taking Off the Belt Look For a decal On The Hood, Or On Radiator Support. If No Decal, You Can Find A Belt Routeing Picture Here. To Remove Belt. You Need May Need A 3/8 Drive rachet And Small Extension Or A 1/2 Rachet And Extension, Find The Belt Tensioner Put Rachet In Slot, And Pull, One way To Loosen, Pull other way To tighten. TheTensioner Is Spring loaded So Wear gloves, Be careful not to Slip Off. And injure Your Hand. Now Remove Belt. Install New belt As Per Drawing. If No decal.I Draw Picture Of all pulleys And Belt Before removing belt. You May Need To Put a small Pipe On The End Of Your Rachet To Get More Leverage. Some Of those Tensioners Have A Powerful spring.

Hope This Helps You,
Good Luck
Edward S.