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dgsaz Samba Member
Joined: November 04, 2008 Posts: 579 Location: Phoenix / San Diego
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Posted: Mon Jan 29, 2018 3:32 pm Post subject: Oil Temp Sender - Oil filter Bracket - Washer? |
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I took my oil filter bracket off, drilled and tapped it for a VDO oil temp sender.
When I put it together I noticed there was no washer for the final seal.
Do I need a washer? The curved neck of the sender may or may not seat and
seal. The plan is to use blue Loctite for thread seal but the washer part has me
puzzled. Please advise. Flat washer, crush washer, plastic washer, no washer.
I have attached photos so you can see the curved part of the neck, just above
the threads and curving up into the bottom of the sender.
Thanks in advance everyone.
dgsaz |
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UK Luke 72 Samba Member
Joined: September 07, 2011 Posts: 2867 Location: Little Britain
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dgsaz Samba Member
Joined: November 04, 2008 Posts: 579 Location: Phoenix / San Diego
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Posted: Wed Jan 31, 2018 5:04 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? 2.00 |
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UK Luke 72 wrote: |
A dowty washer would only work if you milled the filter head flat for it to seal against and had 2 parallel threads.
Ideally, with what you have got there you will have a parallel female and tapered male, a bit of Loctite and you're set |
OK, I cleaned up the threads, installed the sender with out a washer. Just thread sealer and torque.
Here's another question: I have a sender in the oil filter bracket as shown.
I have another sender that I can install into the oil relief galley. Here's the Q.
Can I feed two senders to a single gauge by using and on off on switch to
control which sender the gauge is reading. Is this possible?
Thanks again.
dgsaz |
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pondervwmike Samba Member
Joined: June 16, 2017 Posts: 373 Location: Ponder(Dallas) Texas USA
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Posted: Wed Jan 31, 2018 6:11 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? |
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Yes I think you could that would be very interesting. _________________ 1967 Cal Look Beetle Street Car in re-restoration,customization. Mom and Dad bought it in 1983 when I was 4.
2010 VW Tiguan
2000 BMW 528i
1997 Jeep Cherokee
2127cc build thread https://www.thesamba.com/vw/forum/viewtopic.php?t=681556&highlight= |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Wed Jan 31, 2018 9:09 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? 2.00 |
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dgsaz wrote: |
Can I feed two senders to a single gauge by using and on off on switch to
control which sender the gauge is reading. Is this possible?
Thanks again.
dgsaz |
Done it with several oil sender locations a few years ago. Oil filter mount is fastest to respond, and most accurate. I'll try to find the thread where I posted results. _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Wed Jan 31, 2018 9:25 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? |
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found it:
esde wrote: |
I have tried different locations, to see what was the fastest to respond to engine load, slowest, etc. two years ago, I had a sender mounted in the deep sump, oil cooler bypass, and the oil filter mount. With a three way switch I could read any and compare. Without looking up my notes, I recall the bypass location always read the highest, and was slowest to respond. The sump and oil filter mount read the same, or very close, but the filter mount responded very quickly. With the filter mount sender, it would start to respond maybe 15-30 seconds after the cylinder head temp needle would rise. I know that doesn't make sense, as it's pulling oil from the very location where the sump temp sender is, but it's what happened. At one point I swapped the sender locations (sump and filter housing) and results were the same. All I can imagine is that the thermal mass of the engine and sump work to slow the reaction time of the sender. I have seen it installed in the oil pressure switch location with a tee fitting, and my observation is that it is slow to react to engine load, and my IR Fluke gun indicated it was reading 10-15 degrees cool. |
_________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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Lingwendil Samba Member
Joined: February 25, 2009 Posts: 3987 Location: Antioch, California, a block from the hood
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Posted: Thu Feb 01, 2018 2:52 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? |
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esde wrote: |
found it:
esde wrote: |
I have tried different locations, to see what was the fastest to respond to engine load, slowest, etc. two years ago, I had a sender mounted in the deep sump, oil cooler bypass, and the oil filter mount. With a three way switch I could read any and compare. Without looking up my notes, I recall the bypass location always read the highest, and was slowest to respond. The sump and oil filter mount read the same, or very close, but the filter mount responded very quickly. With the filter mount sender, it would start to respond maybe 15-30 seconds after the cylinder head temp needle would rise. I know that doesn't make sense, as it's pulling oil from the very location where the sump temp sender is, but it's what happened. At one point I swapped the sender locations (sump and filter housing) and results were the same. All I can imagine is that the thermal mass of the engine and sump work to slow the reaction time of the sender. I have seen it installed in the oil pressure switch location with a tee fitting, and my observation is that it is slow to react to engine load, and my IR Fluke gun indicated it was reading 10-15 degrees cool. |
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Neat. I always figured the oil filter adapter would be the best place for realtime readings, since it is literally right in the flow and not a big casting off to the side that had to warm up first. Conveniently, most adapters have a nice little spot waiting to be drilled and tapped right on top too _________________ 73 super beetle thread http://www.thesamba.com/vw/forum/viewtopic.php?t=649622 Back on the Road!
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Need replacement filters for original Kadron aircleaners? WIX #42087 is a perfect fit, as is Napa Gold #2087! |
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DerrickfromNC1 Samba Member
Joined: October 24, 2008 Posts: 1292 Location: North Carolina
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Glenn Mr. 010
Joined: December 25, 2001 Posts: 76761 Location: Sneaking up behind you
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Posted: Thu Feb 01, 2018 5:15 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? |
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I did the same _________________ Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
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[email protected] Samba Member
Joined: August 03, 2002 Posts: 12785 Location: Salt Lake City, Utah
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Posted: Thu Feb 01, 2018 5:37 pm Post subject: Re: Oil Temp Sender - Oil filter Bracket - Washer? |
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If it is NPT you don't need a washer, if it is 14 or 18mm you do (and it has to be dead flat). _________________ It's just advice, do whatever you want with it!
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