TFI module bolt size?
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Senior User
Joined: Feb 2005
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TFI module bolt size?
'90 Bronco, 351 EFI
This sounds real simple but Im having a hell of a time trying to change my TFI module. I did the test according to Haynes and its defective. At least ill change it and find out.
Ive tried 3,4,5,6mm sockets and the almost equivalent SAE sockets on the 2 bolts. I got a mirror and they are hex bolts on there. I heard once theres a special tool for it.
Ive seeked help at autoparts stores(was told its a hard to get 5.5mm deep socket), ford dealership(useless a&$%*$)...
I tried the 7/32" socket which is 5.56mm and didtn work either.
PLease help soon.
Thanks.
This sounds real simple but Im having a hell of a time trying to change my TFI module. I did the test according to Haynes and its defective. At least ill change it and find out.
Ive tried 3,4,5,6mm sockets and the almost equivalent SAE sockets on the 2 bolts. I got a mirror and they are hex bolts on there. I heard once theres a special tool for it.
Ive seeked help at autoparts stores(was told its a hard to get 5.5mm deep socket), ford dealership(useless a&$%*$)...
I tried the 7/32" socket which is 5.56mm and didtn work either.
PLease help soon.
Thanks.
Last edited by lattices2; Aug 6, 2005 at 06:13 PM. Reason: bolts
Thread Starter
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Senior User
Joined: Feb 2005
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i changed the TFI module. Went to 3 autoparts store and the dealer to ask about the socket for removing it. None of them knew about it and said just use a socket. So i went to the autoparts store again and saw 3 of them on the shelf labelled. FORD IGNITION MODULE TOOL. $7.95
Any other othen deep sockets dont work. I tried them all.
Thanks. Runs much better. Starts right away and doesnt stall. Now just need new exhaust
Any other othen deep sockets dont work. I tried them all.
Thanks. Runs much better. Starts right away and doesnt stall. Now just need new exhaust
Elder User
Joined: Jul 2003
Posts: 599
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From: VB. Virginia
I would keep that TFI tool in your glove box, you never where you'll be when you need it again.
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New User
Joined: Feb 2004
Posts: 20
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From: TN
I was not able to use the special TFI socket on my truck. I used a 5.5mm deep well socket, 1/4"-drive. It worked perfectly. (I had to buy a lot of sockets to figure out 5.5mm!) Anyway, AutoZone had the 5.5mm socket in stock.
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I used the 1/4 inch drive deep 7/32 laser etched Craftsman socket to remove mine. I had to tap on the end of the socket with the rachet on a Taurus. i have used that socket on a taurus, my 89 dually, 90 ford ranger and my 92 Bronco.
Daniel Pennington
Daniel Pennington
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