Fuel Filter Housing Problem
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Elder User
Joined: Jul 2012
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From: tonopah, az
Fuel Filter Housing Problem
I just put the cover back on from doing the blue spring upgrade and the bottom 2 bolts on the cover are not getting tight. I was using a 1/4 ratchet to get them at the snug point before i use the torgue wrench to 10 ft lbs. I pulled the bottom 2 screws back out and there is metal shavings on the threads. The top 2 I was able to torque just fine.
Do i have to replace the whole damn assembly or can i retap to a bigger size fine thread bolt on the bottom 2?
Do i have to replace the whole damn assembly or can i retap to a bigger size fine thread bolt on the bottom 2?
More Turbo
Joined: Jun 2010
Posts: 652
Likes: 1
From: New hampshire
I just put the cover back on from doing the blue spring upgrade and the bottom 2 bolts on the cover are not getting tight. I was using a 1/4 ratchet to get them at the snug point before i use the torgue wrench to 10 ft lbs. I pulled the bottom 2 screws back out and there is metal shavings on the threads. The top 2 I was able to torque just fine.
Do i have to replace the whole damn assembly or can i retap to a bigger size fine thread bolt on the bottom 2?
Do i have to replace the whole damn assembly or can i retap to a bigger size fine thread bolt on the bottom 2?
Perhaps this may lead you down the road to an inexpensive repair.
Eric
More Turbo
Joined: Jun 2010
Posts: 652
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From: New hampshire
There is a special tool to insert them. I do not think they are very expensive and is roughly the shape of a pencil with an adapter on the end to capture the helicoil until it is inserted.
Eric
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Joined: Dec 2003
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From: Stuttgart, Ar
You can get a kit for the size you need with tap and insertion tools included and they're much cheaper than a new housing installation.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
On the aluminum stuff I don't drill the hole to retap for the helicoil. I just go straight in with the larger helicoil tap but I do it in multiple in and out steps being careful to clean the tap threads several times until I get to the desired depth.
FWIW--I've had great luck with the helicoils in aluminum on SMALL bolts and for these applications I don't use a torque wrench. "JUST TIGHT ENOUGH" by feel works very well here, especially with a small wrench.
FWIW--I've had great luck with the helicoils in aluminum on SMALL bolts and for these applications I don't use a torque wrench. "JUST TIGHT ENOUGH" by feel works very well here, especially with a small wrench.
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Elder User
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From: tonopah, az
thanks i guess i am going to napa to get them. i might as well do all 4 no? and all this was as a result of having to change the t-stat because the fuel line wouldn't let the bolt come out, so i figured i would do the blue spring update while i was at it.
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Elder User
Joined: Jul 2012
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From: tonopah, az
UPDATE: ok went out for the afternoon to napa and stuff. All they had in a helicoil kit was a m-6 that required a 1/4" hole. the OD on the regulator bolt shoulder is 5/16th. i don't want to chance that with only a 32nd surrounding the bolt after the helicoil is inserted.
The thread and bolt size for the existing bolt is m-5x8.0. I then went to lowes and got 4 m-6x1 fine thread bolts i have several of the m-6 taps at home already. I am going to take 1 and sacrifice it....thread on 2 m-6 nuts onto the tap, tighten them against each other and grind of the tip, take the nuts off to clean the cutter threads so i have a tap that will cut bottomed out threads.
I will use the other tap to get the threads started cutting then switch 3/4 in to get all the way in.
The thread and bolt size for the existing bolt is m-5x8.0. I then went to lowes and got 4 m-6x1 fine thread bolts i have several of the m-6 taps at home already. I am going to take 1 and sacrifice it....thread on 2 m-6 nuts onto the tap, tighten them against each other and grind of the tip, take the nuts off to clean the cutter threads so i have a tap that will cut bottomed out threads.
I will use the other tap to get the threads started cutting then switch 3/4 in to get all the way in.
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Elder User
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From: tonopah, az
Hotshot
Joined: Dec 2003
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From: Stuttgart, Ar
LOL--at that time of the night all I was seeing was the backs of my eyelids, but thanks for the part # and remember that it's YM specific.