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Warning to those reusing the stock vband!

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wy2sl0

Drag Race Newbie
Location
Ontario
I just went outside to refill ww fluid and noticed my vband clamp bolt is missing!!!
I dont want to dealer a replacement, any ideas where i can get one? Im going to put a temp bolt in there for now.
 
BravoMike

BravoMike

Go Kart Champion
Location
Indianapolis
Is this after you installed a downpipe?
 
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wy2sl0

Drag Race Newbie
Location
Ontario
Yes back in January, so it has been a while. My own fault for not checking sooner I guess as I live in a highly variable climate.
 
G

gn4rwhals

Go Kart Champion
Location
Detroit, MI
Mine closes all the way now, I even bought a new one and it does the same thing.

They tell you to use thread locker on the bolt as well... I did not but mine has not budged since install.
 
E

EF_Heynen

Passed Driver's Ed
I recommend using a new vband every time. I reused mine when I put my aftermarket downpipe on. When I went back to stock again, the vband bolt was bent and the threads were fused to the bolt.

These things take a lot of heat, and aftermarket downpipes don't always fit exactly the same as the stock part.

It is such a cheap part, might as well replace it when you change downpipes.
 
Morphine

Morphine

Ready to race!
Location
Lower Slobbovia
This is a bit of a coinkidink, I just figured this out this morning.

I have been having a problem with getting lean codes from the post cat sensor while running a catless dp. At first I thought it was the O2, as it looked (and sounded) damaged…although voltages looked ok.

Checking my dp/vband tightness every other day or so for about a week now, and it seems that this *maybe* the source of my problems.

It is kinda loose every time I check it. I have been tightening it every day now in the morning and not getting lean codes for about a week.

None of this makes any sense to me as I thought that the ecu does its cat-assessments during closed loop operation and the pipe/motor should not be moving around too much.

Anyhow without getting into my problems I would strongly agree with the OP’s suggestion that a new v-band be used with any install.

I do not, however agree that they are cheap, lol.

http://www.golfmk7.com/forums/showthread.php?t=20016
 
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0bLiViOuS

Go Kart Champion
Location
Orange County
Ya a month or so ago I checked mine and it was pretty loose. I assumed I just didn't tighten it fully when I installed my DP but I may pick up a new one to be safe.

Anyone know the official torque it should be tightened to?
 
BravoMike

BravoMike

Go Kart Champion
Location
Indianapolis
Good info to know. I'll keep this in mind when I get my downpipe!
 
Morphine

Morphine

Ready to race!
Location
Lower Slobbovia
0bLiViOuS said:
Ya a month or so ago I checked mine and it was pretty loose. I assumed I just didn't tighten it fully when I installed my DP but I may pick up a new one to be safe.

Anyone know the official torque it should be tightened to?
Click to expand...

15 Nm

Good luck getting a torque wrench in there.
 
BravoMike

BravoMike

Go Kart Champion
Location
Indianapolis
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0bLiViOuS

Go Kart Champion
Location
Orange County
I think if I change the orientation so the bolt is in front facing up, I could use my 1/4" torque wrench :)

I'm surprised it's so low as well. Mine I know is tightened more than that so I'll check it tomorrow
 
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wy2sl0

Drag Race Newbie
Location
Ontario
Could someone please check which size/thread/pitch the stock bolt is so I can get a replacement? I don't need a $36 clamp replacement when a $2 bolt will do. Thanks!
 
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greatoz

Ready to race!
Location
NorCal
wy2sl0 said:
Could someone please check which size/thread/pitch the stock bolt is so I can get a replacement? I don't need a $36 clamp replacement when a $2 bolt will do. Thanks!
Click to expand...

M8, you'll want 50mm long...
 
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