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Tapping 2wd cossie sump

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Old Jan 29, 2011 | 03:59 PM
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From: kent
Default Tapping 2wd cossie sump

Has anyone tapped a thread into the side of the sump without any probs,seems there is enough meet on there to save a boss being welded in.I want to put a 5/8 union into the side for my oil drain return
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Old Jan 29, 2011 | 04:41 PM
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is the sump ally?
i have tapped and threded the sump on my 4x4 to fit a oil temp gauge sended with no problems at all.

cheeRS nick
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Old Jan 29, 2011 | 04:46 PM
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yep,its ally
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Old Jan 29, 2011 | 08:45 PM
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Not really thick enough, imo to do this reliably and safely, it's only around 4mm thick, can you not use the sump plug and put a adaptor in there for return ?
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Old Jan 29, 2011 | 09:38 PM
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Yep that could my other option,just a pain when i want to change oil
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Old Jan 30, 2011 | 05:36 PM
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Having to undo a jubilee clip holding on a pipe to the sump plug is less hassle than a tapping in the sump failing though!!
tabetha
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Old Jan 30, 2011 | 08:40 PM
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If the sump is off you can use a plumbing fitting like the group A cars did.

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Old Jan 30, 2011 | 08:57 PM
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Originally Posted by AndyPen
If the sump is off you can use a plumbing fitting like the group A cars did.
plumbing fitting ? ... please explain.
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Old Jan 31, 2011 | 02:52 AM
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is that tapped in,or is there a nut on the other side ?,do you know what size thread was used
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Old Jan 31, 2011 | 08:52 PM
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heres mine welded on



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Old Jan 31, 2011 | 09:37 PM
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Mine has a nut on the inside - spotted the very same fittings in a hydraulic factors for a few quid. Dowty seals are there too... the rubber and metal ones.
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Old Feb 1, 2011 | 02:48 AM
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Think the nut on the inside is the way forward
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