Author Topic: Smog tube removal help  (Read 5413 times)

Ejam

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Smog tube removal help
« on: January 30, 2008, 12:23:09 AM »
l am trying to remove the smog tubes from my manifolds but they have never been off. So far I have soaked them with PB over night and tried to remove them but not happening. Any suggestions? I haven't put heat to them yet. they are 69 BB and in real good shape.

vtfb68

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Re: Smog tube removal help
« Reply #1 on: January 30, 2008, 02:10:39 AM »
Be sure to use a quality line wrench, no hammers, work them by hand, good luck, VT
68 05C LA RS/SS U2 712 L34 M21 BR
68 08E LA RS Y2 749 L30 M35
67 11B LA  RS/SS M-1 797-Z L48 M21  Convertible

Ejam

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Re: Smog tube removal help
« Reply #2 on: January 30, 2008, 05:53:54 PM »
thats what l'm using snap on and not cranking too hard. if l feel any movement but not spinning l back off.

sd1968z28

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Re: Smog tube removal help
« Reply #3 on: January 30, 2008, 06:20:43 PM »
heat up the manifold with a torch, not the nut, melt wax into threads alow to cool and should come right out.

Jerry@CHP

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Re: Smog tube removal help
« Reply #4 on: January 30, 2008, 09:28:00 PM »
Good luck,

Chances of getting the out are not very good.  We have tried to do this hundreds of times and only removed them a few times without issues.

Jerry

Ejam

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Re: Smog tube removal help
« Reply #5 on: January 31, 2008, 06:19:17 AM »
l tried the heat n wax but didn't do it for me. what kind of wax are you using? regular car wax?

Jerry@CHP

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Re: Smog tube removal help
« Reply #6 on: January 31, 2008, 01:07:23 PM »
He's talking about candle wax.  Does not work most of the time.  We often use this while trying to remove fittings from intake manifolds before restoration.

Jerry

sd1968z28

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Re: Smog tube removal help
« Reply #7 on: January 31, 2008, 02:19:34 PM »
candle wax works, but bees wax is best.

Jonesy

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Re: Smog tube removal help
« Reply #8 on: January 31, 2008, 04:15:04 PM »
I agree with Jerry. I have tried the wax trick with little success. I have soaked the with WD-40 and PB Blaster. I am thinking that I now have to go to a machine shop for removal.
1967 RS-Z/28 Nantucket Blue the D-2 car
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vtfb68

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Re: Smog tube removal help
« Reply #9 on: January 31, 2008, 10:46:30 PM »
Ejam, one more thought. While you are working the fittings, with pressure on, try TAPPING on the manifold with a metal hammer to cause "ultrasonic" (fancy word!) vibrations. this sometimes will help corrosion or metal fusion to break loose. Don't give up or try to hurry. They will come off. good luck.
                                                                                                      Victor
68 05C LA RS/SS U2 712 L34 M21 BR
68 08E LA RS Y2 749 L30 M35
67 11B LA  RS/SS M-1 797-Z L48 M21  Convertible

hihorse

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Re: Smog tube removal help
« Reply #10 on: January 31, 2008, 11:57:30 PM »
heat up the manifold with a torch, not the nut, melt wax into threads alow to cool and should come right out.
works when manifold is heated to cherry red.