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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Mon Jul 26, 2021 12:34 pm Post subject: Oil pressure switch woes |
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Really effed this up today....
My original oil pressure switch was leaking through the switch itself (dripping out where the electrical spade terminal is.) So... went and bought this one from NAPA:
https://www.napaonline.com/en/p/ECHOP6066?partType...ure+switch
I went with this one since I have had good luck with a couple of Eichlin products in the past. What I didn't notice, before I started threading this new switch in, was that smooth tapered section between the large hex part of the switch and the threaded part, was never going to allow the switch to snug up against the engine case. My old switch was flat there, meaning the large hex part snugged right up against the case. Not so with this one, and in the process of threading it in I stripped out the threaded hole in the case. And even threaded in up to that taper it still leaked way worse than the old switch.
Of course when I took it back, they said it was "installer error." Now the new switch leaks, and the old switch won't stay in because the threads are wallowed out. Going to have to find a place that can timesert the threaded hole and get a new correct switch- couple of drops is better than oil all over the engine bay.
Guess I really have no point to this anecdote, other than never buy that NAPA switch. _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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Volks Wagen Samba Member
Joined: February 13, 2013 Posts: 2926 Location: Germany
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Posted: Mon Jul 26, 2021 2:06 pm Post subject: Re: Oil pressure switch woes |
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Mother of sweet divine Jesus. How the fluck you managed that level of carnage is beyond me.
That switch looks completely unlike the original one. I'd never choose that. The thread is the same but it looks like the threaded end is about 3mm longer. Recycle that and get the proper one. Clean the threads and hand tighten the switch first to make sure you're not crossing the threads.
Holy Mother of God and all the blessed saints in heaven preserve us! _________________ 1973 1303 with AB-motor - sporadic
reconstruction as time permits, 1986 ex-Bundeswehr Doka - on the road again.
I'm definitely, probably, the worlds greatest lover.
Aithníonn ciaróg ciaróg eile. |
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Mon Jul 26, 2021 2:44 pm Post subject: Re: Oil pressure switch woes |
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Volks Wagen wrote: |
Mother of sweet divine Jesus. How the fluck you managed that level of carnage is beyond me.
That switch looks completely unlike the original one. I'd never choose that. The thread is the same but it looks like the threaded end is about 3mm longer. Recycle that and get the proper one. Clean the threads and hand tighten the switch first to make sure you're not crossing the threads.
Holy Mother of God and all the blessed saints in heaven preserve us! |
Well I did start it by hand, the first few threads were fine, so then I threaded it in with a socket, same as the old one, which way lessens resistance feel. I'm thinking "OK it will snug up against the case and I'll be done." And by the time I realized it was never stopping threading in, and I spun it back out, case threads came with it. Sometimes you don't see the trees for the forest, or something. _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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Meiang Samba Member
Joined: September 27, 2016 Posts: 656 Location: Perth, Western Australia
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Meiang Samba Member
Joined: September 27, 2016 Posts: 656 Location: Perth, Western Australia
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Posted: Mon Jul 26, 2021 5:06 pm Post subject: Re: Oil pressure switch woes |
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PS: The thread in the case which the oil pressure switch screws into is M10x1. |
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Cusser Samba Member
Joined: October 02, 2006 Posts: 31271 Location: Hot Arizona
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Mon Jul 26, 2021 5:31 pm Post subject: Re: Oil pressure switch woes |
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Thanks Meiang and Cusser,
luckily there is a mechanic literally right around the corner from the store I bought the part from, who I have used several times before (although this is the first time I've ever had the bug there, he knew that I owned one.) Since the car is basically undriveable ATM (I returned the new switch and the old one won't fit anymore) I just rolled it there. He already has the timesert kit, but I'll make sure he knows the case thread is M10x1. _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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Cusser Samba Member
Joined: October 02, 2006 Posts: 31271 Location: Hot Arizona
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Posted: Mon Jul 26, 2021 6:04 pm Post subject: Re: Oil pressure switch woes |
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sb001 wrote: |
luckily there is a mechanic literally right around the corner from the store I bought the part from....He already has the timesert kit, but I'll make sure he knows the case thread is M10x1. |
Great !!! I sure like TimeSert more than coiled-type fixes, even though this sender is not a part that has to be replaced periodically. _________________ 1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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67rustavenger Samba Member
Joined: February 24, 2015 Posts: 9665 Location: Oregon
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Posted: Mon Jul 26, 2021 6:36 pm Post subject: Re: Oil pressure switch woes |
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http://vwparts.aircooled.net/Time-Sert-Thread-Insert-1-8-27-x-360-01271-p/01271.htm
Make sure that your selected mech. Understands that if the Timesert is seated too deep. He may block the oil passage. That will make things way worse than they are currently.
Carefully check the case around the pressure sender hole. Hopefully there isn't any cracks in the case. Clean it up real good and have a look.
Good luck Steve. _________________ I have learned over the years.
Cheap parts are gonna disappoint you.
Buy Once, Cry Once!
There's never enough time to do it right the first time. But there's always enough time to do it thrice.
GFY's Xevin and VW_Jimbo! |
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Mon Jul 26, 2021 9:22 pm Post subject: Re: Oil pressure switch woes |
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67rustavenger wrote: |
http://vwparts.aircooled.net/Time-Sert-Thread-Insert-1-8-27-x-360-01271-p/01271.htm
Make sure that your selected mech. Understands that if the Timesert is seated too deep. He may block the oil passage. That will make things way worse than they are currently.
Carefully check the case around the pressure sender hole. Hopefully there isn't any cracks in the case. Clean it up real good and have a look.
Good luck Steve. |
sweet thanks for that link! I will show the mechanic tomorrow. _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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runamoc Samba Member
Joined: June 19, 2006 Posts: 5593 Location: 37.5N 77.1W
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Posted: Tue Jul 27, 2021 6:43 am Post subject: Re: Oil pressure switch woes |
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I did a 'vehicles that this fits' search. It doesn't fit ACVWs. ('69 Beetles anyway) Take it back to NAPA and tell them the error was in them giving you the wrong part and you're gonna sue them to pay for getting the engine fixed. _________________ Daily driver: '69 Baja owned 44 yrs - Plan B: '81 Rabbit Diesel LS Deluxe - Plan C: '72 Ghia
Yard Art: 2 Sandrails
Outback: '69 Ghia - '68,'69,'70,'72 Beetle - '84 Scirocco, GTI - Pair of '02 Golfs-
VW Wiring = It's just wires |
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Tue Jul 27, 2021 7:48 am Post subject: Re: Oil pressure switch woes |
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runamoc wrote: |
I did a 'vehicles that this fits' search. It doesn't fit ACVWs. ('69 Beetles anyway) Take it back to NAPA and tell them the error was in them giving you the wrong part and you're gonna sue them to pay for getting the engine fixed. |
Unfortunately, that route doesn't work. Much MUCH easier said than done.
It says on their website it fits a 70 beetle, which is the equivalent of my engine now (1600cc single port.) It may be the wrong part or just a bad design, but I'm better off biting the bullet and just paying to have it fixed.
Unfortunately I just tried to order the threaded insert from aircooled.net only to find out they are out of stock, so I'll need to find the threaded insert somewhere else. Hopefully I can still rent the kit from them. _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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raydog Samba Member
Joined: February 09, 2006 Posts: 1157 Location: Cape Cod
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Posted: Tue Jul 27, 2021 8:34 am Post subject: Re: Oil pressure switch woes |
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runamoc wrote: |
I did a 'vehicles that this fits' search. It doesn't fit ACVWs. ('69 Beetles anyway) Take it back to NAPA and tell them the error was in them giving you the wrong part and you're gonna sue them to pay for getting the engine fixed. |
Sue them over a $10 part?
Hope you get it fixed. _________________ Come on, It's not rocket science. KISS |
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runamoc Samba Member
Joined: June 19, 2006 Posts: 5593 Location: 37.5N 77.1W
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Posted: Tue Jul 27, 2021 8:57 am Post subject: Re: Oil pressure switch woes |
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raydog wrote: |
runamoc wrote: |
I did a 'vehicles that this fits' search. It doesn't fit ACVWs. ('69 Beetles anyway) Take it back to NAPA and tell them the error was in them giving you the wrong part and you're gonna sue them to pay for getting the engine fixed. |
Sue them over a $10 part?
Hope you get it fixed. |
Yes, and the damages that $10 part did. Plus the cost of fixing aforementioned damage _________________ Daily driver: '69 Baja owned 44 yrs - Plan B: '81 Rabbit Diesel LS Deluxe - Plan C: '72 Ghia
Yard Art: 2 Sandrails
Outback: '69 Ghia - '68,'69,'70,'72 Beetle - '84 Scirocco, GTI - Pair of '02 Golfs-
VW Wiring = It's just wires |
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Paul Windisch Samba Member
Joined: September 02, 2009 Posts: 2546 Location: Clinton Township, Michigan
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Posted: Tue Jul 27, 2021 9:16 am Post subject: Re: Oil pressure switch woes |
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Measure the threaded portion of the oil pressure switch, in millimeters. Something close to that length is sufficient, preferably shorter. You will be countersinking the shoulder of the insert to just below flush of the crankcase surface, so the insert will act slightly longer than its actual length.
Post the length of the threads of the switch and we can help you find an insert. _________________ *ASE Recertified Master Automotive Tech*
1984 Mexican Beetle
-1914cc
-L3 Heads 35x32 valves 52cc chambers
-0.040" deck for about 9.1:1 Compression
-Engle W110 cam
-CB Super Stock 1.1:1 Rockers
-Stock Heat Exchangers w/ Tri-Mil Muffler
-Dual Weber IDF 40s w/ 26mm venturis
-034 SVDA Distributor
2013 Chevrolet Volt DD
2005 Pontiac Montana SV6
MAHLE Service Solutions
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Tue Jul 27, 2021 11:12 am Post subject: Re: Oil pressure switch woes |
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Paul Windisch wrote: |
Measure the threaded portion of the oil pressure switch, in millimeters. Something close to that length is sufficient, preferably shorter. You will be countersinking the shoulder of the insert to just below flush of the crankcase surface, so the insert will act slightly longer than its actual length.
Post the length of the threads of the switch and we can help you find an insert. |
Thanks Paul- I'll try to get the old switch and measure it asap (the mechanic still has it.)
Is there any reason to doubt that the insert aircooled.net was selling before they ran out would not work or is not correct for the application? (Even though it is in standard instead of metric?) I have found another outlet selling that same insert, and I did notice that this place says it is a "taper pipe" style:
https://www.mechanicstoolsandbits.com/time-sert-01...IMEALw_wcB
but it is the exact same one that aircooled.net was selling.
On a side note, when I emailed aircooled.net about their policy regarding renting the kit, they informed me that they are phasing out their rental program and are selling their used timesert kits at HALF PRICE ($55) so I'm thinking of just buying it outright, but since the installation tool that comes with it would be specific to the insert above, I want to make sure that that insert will work. _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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Paul Windisch Samba Member
Joined: September 02, 2009 Posts: 2546 Location: Clinton Township, Michigan
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Posted: Tue Jul 27, 2021 11:43 am Post subject: Re: Oil pressure switch woes |
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I suppose it depends on what type of switch you wish to install. If you are installing a straight threaded OE style switch with M10x1.0 threads, then you do not want the tapered insert.
On my own car, I installed the dual post switch for use with the original light, and a gauge. It is made by VDO. It has tapered threads and I installed it in the regular hole, not even realizing there was a difference. I did NOT over-torque it, so it has been okay, but in your situation, it will be up to you as to which one you want to use.
I believe if you install a tapered insert, you might have trouble getting an original style switch to seal properly. Perhaps others can chime in.
What I do know, is Time-Sert inserts are HARD, and will not likely accept "forming" of incorrect threads the way aluminum or magnesium will. _________________ *ASE Recertified Master Automotive Tech*
1984 Mexican Beetle
-1914cc
-L3 Heads 35x32 valves 52cc chambers
-0.040" deck for about 9.1:1 Compression
-Engle W110 cam
-CB Super Stock 1.1:1 Rockers
-Stock Heat Exchangers w/ Tri-Mil Muffler
-Dual Weber IDF 40s w/ 26mm venturis
-034 SVDA Distributor
2013 Chevrolet Volt DD
2005 Pontiac Montana SV6
MAHLE Service Solutions
Applications Engineer |
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Starbucket Samba Member
Joined: April 30, 2007 Posts: 4007 Location: WA
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Posted: Tue Jul 27, 2021 12:12 pm Post subject: Re: Oil pressure switch woes |
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Buy a 3 lb. Hobbs switch with 1/8" taper pipe threads and tap the case 1/8" tpt. |
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sb001 Samba Member
Joined: May 19, 2011 Posts: 10399 Location: NW Arkansas
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Posted: Tue Jul 27, 2021 12:17 pm Post subject: Re: Oil pressure switch woes |
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Paul Windisch wrote: |
If you are installing a straight threaded OE style switch with M10x1.0 threads, then you do not want the tapered insert. |
According to an earlier post in this thread, the OE oil pressure switch was M10x1.0K (tapered threads.) _________________ I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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