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Heater pipe 

 

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 Post subject: Heater pipe
Posted: Mon Nov 02, 2015 11:36 pm 
Smokin em up
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Age: 37

Posts: 284

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

Installing a HCI on an NL Fairlane with 11R heads and a Trickflow R manifold. Hit a snag putting the heater pipe on. Tightened the nut that goes into the manifold near the thermostat housing and the bit of heater pipe that goes into the nut was loose. Can't figure out what holds the pipe into the nut. There is an O-ring but nothing else. Don't remember anything being on the pipe when it was removed from the factory manifold. There must be some sort of circlip or something here surely? Anyone know?

Here's the pipe that goes into the nut.

Image

Here's the nut that goes into the manifold.

Image

The pipe goes into the top of the nut and in theory the nut bolts down into the manifold and holds the pipe. But mine is not holding the pipe, the nut is tightened down but the pipe is loose inside it and can be pulled straight back out.
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 Post subject: Re: Heater pipe
Posted: Tue Nov 03, 2015 5:59 pm 
Moderator
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

im pretty sure there is 2 o rings and a c clip at bottom holding the pipe into the nut
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 Post subject: Re: Heater pipe
Posted: Tue Nov 03, 2015 6:03 pm 
Smokin em up
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Age: 37

Posts: 284

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

Thanks.
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 Post subject: Re: Heater pipe
Posted: Wed Nov 04, 2015 11:30 am 
Getting Side Ways
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Location: Brisbane
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Ive never, ever seen that nut off the pipe!.
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 Post subject: Re: Heater pipe
Posted: Wed Nov 04, 2015 11:57 am 
Smokin em up
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Age: 37

Posts: 284

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

And that was the problem. No one else had either. The o rings and circlip either corroded away or fell off during removal, but we managed to modify a circlip to fit and fitted 2 new o rings, so hopefully it will be ok and won't leak. It fitted up ok.
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