 Found out why my CHT sensor was intermittent open, mf'er was glued in with RTV |
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| Brian_Boss |
 Nov 5 2005, 12:02 PM
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#1
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Member  Group: Members Posts: 324 Joined: 3-June 03 From: Dallas, TX Member No.: 781  |
I can't get the threads to catch and I can't feel any thread at all.
Before I start tearing stuff apart I thought I would see if anyone has any clever tip to fix this. Assuming I pull the manifold and tin and clean out the orange crap, is it OK to use a thread insert here? I swear this motor has some DPO bodge on every part. |
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| davep |
Nov 5 2005, 12:11 PM
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#2
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914 Historian Group: Benefactors Posts: 5,152 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada  |
I think a thread insert is the only choice, at least until the motor is rebuilt. Either a coil or a Time-sert would work. It may affect the reading ability of the CHT sensor a little. On a rebuild, swap heads and drill & tap a new hole; better yet, have a machine shop do it.
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| Brian_Boss |
Nov 5 2005, 05:07 PM
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#3
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Member Group: Members Posts: 324 Joined: 3-June 03 From: Dallas, TX Member No.: 781 |
It just keeps getting worse. The area around the sensor loks messed up to me. Isn't there supposed to be a boss that the hole is drilled into so that the sensor screws in flush.
Here's a picture: Note the traces of orange RTV that was used to hold the sensor in. I'm amazed it ever ran like that. |
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| Brian_Boss |
Nov 5 2005, 05:16 PM
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#4
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Member Group: Members Posts: 324 Joined: 3-June 03 From: Dallas, TX Member No.: 781 |
Try again on picture.
Attached image(s) 
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| r_towle |
Nov 5 2005, 05:24 PM
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#5
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Custom Member Group: Members Posts: 24,588 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States 
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dude,
you almost there...get a used head and replace it... It will be faster and better in the long run. Rich |
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