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Author Topic: Removing heater pipes from bulkhead  (Read 2300 times)

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blackviper90210

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Removing heater pipes from bulkhead
« on: 07 November 2013, 10:12:41 »
How do I remove the coolant pipes going into the bulkhead please?

I've no heating at all, so trying the flush that is recommended.  Can access the pipes by hand, but can't work out how they're held in place?

They rotate and feel like a metal clip at the end of the rubber pipe holding onto the pipe work in the bulkhead?

TIA :y
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amba

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Re: Removing heater pipes from bulkhead
« Reply #1 on: 07 November 2013, 10:41:07 »
Clear concise instructions in the maintenance guide. :y ;)

They are abit confusing first time around so best reading the guide.

From my experience ensure all small breakable bits are out the way especially the small T valve on the brake servo vacuum pipe as big hands and pulling in a tight space may break them . ;)
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #2 on: 07 November 2013, 10:41:17 »
Scrub that, found the guide! Lol.

We'll there wasn't much crud in there. Flushed both ways twice. Put back together now gonna run the car and warm her up and see if that fixes it.

If not, any suggestions?   ???
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #3 on: 07 November 2013, 10:42:02 »
Quote from: amba on 07 November 2013, 10:41:07
Clear concise instructions in the maintenance guide. :y ;)

They are abit confusing first time around so best reading the guide.

From my experience ensure all small breakable bits are out the way especially the small T valve on the brake servo vacuum pipe as big hands and pulling in a tight space may break them . ;)

Cheers Amba!
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amba

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Re: Removing heater pipes from bulkhead
« Reply #4 on: 07 November 2013, 10:43:05 »
Page 7 3rd from the top  :y
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #5 on: 07 November 2013, 11:14:28 »
Right, that didn't work  :'(

Flushing completed, engine running normal temp, system bled.....still no heat from vents?


Next step please?  ???
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #6 on: 07 November 2013, 11:15:21 »
Forgot to mention, pipes into rad and coolant tank all hot. Both pipes into bulkhead cold :(
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The Red Baron

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Re: Removing heater pipes from bulkhead
« Reply #7 on: 07 November 2013, 11:26:14 »
could be the hbv. is the vac pipe connected to the top of it. are the hoses hot at the hbv?
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #8 on: 07 November 2013, 11:33:37 »
Slow down john, you know I'm not a mechanic, lol. I need to look up what a HBV looks like and where to find it first, lol.  ;)

Looking it up now :y
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #9 on: 07 November 2013, 11:57:10 »
Quote from: The Red Baron on 07 November 2013, 11:26:14
could be the hbv. is the vac pipe connected to the top of it. are the hoses hot at the hbv?

Ok John.

The 2 pipes on the left of the HBV are cold. The single pipe on the right is hot and the vac pipe is on.

Does that mean the HBV is dead? ???
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Nick W

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Re: Removing heater pipes from bulkhead
« Reply #10 on: 07 November 2013, 12:05:56 »
Probably.
At a tenner for a new one, it would be a good place to start.
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blackviper90210

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Re: Removing heater pipes from bulkhead
« Reply #11 on: 07 November 2013, 12:13:58 »
Spoke to my local stealers, 46.44 inc for the HBV.

Is it advisable to stick with genuine ones or after market just as good?
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Re: Removing heater pipes from bulkhead
« Reply #12 on: 07 November 2013, 13:20:11 »
Quote from: blackviper90210 on 07 November 2013, 12:13:58
Spoke to my local stealers, 46.44 inc for the HBV.

Is it advisable to stick with genuine ones or after market just as good?
gen tbh dave, but saying that, ive had 1 or 2 from vauxhallworldparts & they seem ok. :y
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Entwood

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Re: Removing heater pipes from bulkhead
« Reply #13 on: 07 November 2013, 13:25:33 »
before condeming the HBV, whip the vac pipe off the top, (plug the vac pipe with a small screw) leaving the HBV "open" and see if you get heat then.

Vac turns the heat OFF under certain circumstances, no vac = hot water flow by default... so if the pipes stay cold with no vac then the HBV is pretty much the fault... if they get hot then it could be something else ....
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Re: Removing heater pipes from bulkhead
« Reply #14 on: 07 November 2013, 13:29:09 »
Quote from: Entwood on 07 November 2013, 13:25:33
before condeming the HBV, whip the vac pipe off the top, (plug the vac pipe with a small screw) leaving the HBV "open" and see if you get heat then.

Vac turns the heat OFF under certain circumstances, no vac = hot water flow by default... so if the pipes stay cold with no vac then the HBV is pretty much the fault... if they get hot then it could be something else ....
i was just about to suggest that aswell.
oh, £9.76 on vauxhallworldparts.  :y
extra couple of quid for the box of plasters & the swearbox. lol
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