 WTB 2.0 mps 043 |
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| 3stewarts |
 Jun 5 2018, 08:49 PM
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#1
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Newbie  Group: Members Posts: 27 Joined: 30-March 12 From: Kansas City MO Member No.: 14,322 Region Association: None  |
Looking for manifold pressure sensor for my 74 2.0.
0 280 100 043 Ok if it doesn’t hold vacuum. Not ok with open circuits. I’m finding lots for the 1.7 and none for the 2.0 Are these things rare? Have one on order from Mr. Bowlsby |
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| 914Sixer |
Jun 6 2018, 05:40 AM
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#2
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914 Guru Group: Members Posts: 8,877 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region 
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Yes, they can be hard to find, nearly all will need a rebuild. Even rarer is the 037 for the 73 2.0
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| 914_7T3 |
Jun 6 2018, 10:29 AM
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#3
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Please forgive me, I'm new to all of this! Group: Members Posts: 1,848 Joined: 3-April 17 From: Los Angeles, CA Member No.: 20,991 Region Association: Southern California
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Here are several from the same vendor on the Samba. I bought an 037 for my '73 a few months back from this vendor and will probably need to rebuild it.
https://www.thesamba.com/vw/classifieds/det....php?id=1422956 https://www.thesamba.com/vw/classifieds/det....php?id=1944337 https://www.thesamba.com/vw/classifieds/det....php?id=1944338 Good luck in your search (IMG:style_emoticons/default/beerchug.gif) |
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| 3stewarts |
Jun 6 2018, 11:56 AM
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#4
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Newbie Group: Members Posts: 27 Joined: 30-March 12 From: Kansas City MO Member No.: 14,322 Region Association: None |
QUOTE(914 7T3 @ Jun 6 2018, 11:29 AM)  Here are several from the same vendor on the Samba. I bought an 037 for my '73 a few months back from this vendor and will probably need to rebuild it. https://www.thesamba.com/vw/classifieds/det....php?id=1422956 https://www.thesamba.com/vw/classifieds/det....php?id=1944337 https://www.thesamba.com/vw/classifieds/det....php?id=1944338 Good luck in your search (IMG:style_emoticons/default/beerchug.gif) I'll take a look there. thanks for the link! |
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| scallyk9 |
Jun 6 2018, 01:08 PM
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#5
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Member Group: Members Posts: 320 Joined: 16-October 16 From: Port Orchard, WA, USA Member No.: 20,499 Region Association: Pacific Northwest
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I wouldn't buy one of these used when we have Jeff Bowlsby on this forum doing fantastic rebuilds of them. The one I purchased from Jeff about 6 months ago is functioning perfectly in my '74 LE. It is an -043 which seem to be harder to find.
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| JeffBowlsby |
Jun 6 2018, 01:12 PM
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#6
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914 Wiring Harnesses Group: Members Posts: 8,492 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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I need to mention that good, rebuildable MPS cores in general are becoming more difficult to find.
I have not had any problem with coil discontinuity in the several hundred MPS I have come across, but that condition would obviously be problematic. What I am sometimes seeing is heavy corrosion internal to the MPS and light corrosion occurring on the core 'plunger' and inner coil surfaces which intermittently causes the plunger to hang up and produce a rough signal. I am thinking that if the MPS is exposed to moist environments water or even water vapor is getting inside that cannot be seen until the MPS is opened up. So if you have some MPS in your stash - PLEASE - wrap them in plastic wrap to store them. That, and finding core cases that can be made vacuum tight - finding leaky cases and other leak sources is very time consuming and sometimes a case is damaged beyond use. |
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| 3stewarts |
Jun 6 2018, 02:02 PM
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#7
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Newbie Group: Members Posts: 27 Joined: 30-March 12 From: Kansas City MO Member No.: 14,322 Region Association: None |
As is my luck I have an open circuit in one of the coils. disassembled to inspect but cannot find the open. those coils have skinny wires! my housing is clean and serviceable and I have a new diaphragm to install but with an open coil.....
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