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Paulbeard Samba Member
Joined: July 10, 2015 Posts: 2604 Location: Seattle
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Posted: Mon Mar 25, 2019 6:48 am Post subject: Re: Changing Manual Transmission Oil |
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Heating the oil was a step I could have used (I did my last drain and fill in January last year) and with a new trans going in this week ( ) I'll be doing it more regularly, like 500-1000-then some interval after that, once things are settled. Thanks for the reminder on the extension, too. _________________ Currently -> Frida: 87 Tizian Red (mostly) Vanagon GL Westfalia w/ 2.0L ABA conversion
Formerly -> Steward of a 73 Super Beetle (Beater) and 67 Beetle 1300 (Little Max) both names by POs
— dhaavers |
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Ahwahnee Samba Member
Joined: June 05, 2010 Posts: 9808 Location: Mt Lemmon, AZ
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Posted: Mon Mar 25, 2019 7:10 am Post subject: Re: Changing Manual Transmission Oil |
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For my van -- Trans lube change during the Summer Olympics... coolant change during the Winter Olympics.
Marathon and Nordic Combined are the ideal events: Plenty of time and do not require close attention to follow.
I use the IV method shown - like that big funnel, will try that next time. |
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Wildthings Samba Member
Joined: March 13, 2005 Posts: 50348
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Posted: Mon Mar 25, 2019 7:48 am Post subject: Re: Changing Manual Transmission Oil |
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If you are worried about the swarf just get a seconded magnetic drain plug and swap in a clean plug every few thousand miles. The cost and labor of doing this are both very low and thus you are more apt to do this than changing the oil out repeatedly. |
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jimf909 Samba Member
Joined: April 03, 2014 Posts: 7468 Location: WA/ID
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Posted: Mon Mar 25, 2019 8:20 am Post subject: Re: Changing Manual Transmission Oil |
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Wildthings wrote: |
If you are worried about the swarf just get a seconded magnetic drain plug and swap in a clean plug every few thousand miles. The cost and labor of doing this are both very low and thus you are more apt to do this than changing the oil out repeatedly. |
Are you suggesting swapping out the magnetic plug w/out changing the fluid?
Is this done with a quick remove of the dirty plug and replace with the clean plug? I'm sure that leaving the fill plug in the trans will slow the fluid loss so does a quick swap lose less than a cup of fluid?
Thanks. _________________ - Jim
Abscate wrote: |
Do not get killed, do not kill others.
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Current: 1990 Westy Camper - Bostig RG4, 2wd, manual trans w/Peloquin, NAHT high-top, 280 ah LFP battery, 160 watts solar, Flash Silver, seam rust, bondo, etc., etc.
Past: 1985 Westy Camper - 1.9 wbx, 2wd, manual trans, Merian Brown, (sold after 17 years to Northwesty who converted it to a Syncro). |
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dobryan Samba Member
Joined: March 24, 2006 Posts: 16503 Location: Brookeville, MD
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Posted: Mon Mar 25, 2019 8:30 am Post subject: Re: Changing Manual Transmission Oil |
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jimf909 wrote: |
Wildthings wrote: |
If you are worried about the swarf just get a seconded magnetic drain plug and swap in a clean plug every few thousand miles. The cost and labor of doing this are both very low and thus you are more apt to do this than changing the oil out repeatedly. |
Are you suggesting swapping out the magnetic plug w/out changing the fluid?
Is this done with a quick remove of the dirty plug and replace with the clean plug? I'm sure that leaving the fill plug in the trans will slow the fluid loss so does a quick swap lose less than a cup of fluid?
Thanks. |
Do the swap in cold temps and you'll barely loose any fluid.... _________________ Dave O
'87 Westy w/ 2002 Subaru EJ25 and Peloquin TBD
"To travel hopefully is a better thing than to arrive." Robert Louis Stevenson
MD>Canada>AK>WA>OR>CA>AZ>UT>WY>SD
https://www.thesamba.com/vw/forum/viewtopic.php?t=620646
Building a bus for travel in Europe (euroBus)
https://www.thesamba.com/vw/forum/viewtopic.php?t=695371
The Western Syncro build
https://www.thesamba.com/vw/forum/viewtopic.php?t=746794 |
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Wildthings Samba Member
Joined: March 13, 2005 Posts: 50348
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Posted: Mon Mar 25, 2019 9:00 am Post subject: Re: Changing Manual Transmission Oil |
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jimf909 wrote: |
Wildthings wrote: |
If you are worried about the swarf just get a seconded magnetic drain plug and swap in a clean plug every few thousand miles. The cost and labor of doing this are both very low and thus you are more apt to do this than changing the oil out repeatedly. |
Are you suggesting swapping out the magnetic plug w/out changing the fluid?
Is this done with a quick remove of the dirty plug and replace with the clean plug? I'm sure that leaving the fill plug in the trans will slow the fluid loss so does a quick swap lose less than a cup of fluid?
Thanks. |
Cold oil and quick fingers should keep the loss at a few ounces. It would pay to have a rag or something on hand to block the flow in case you flub up and drop the replacement plug. It would be a good idea to fully loosen the fill plug and then retighten it before loosening the drain plug in case the vent is plugged and the case is under pressure. |
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jimf909 Samba Member
Joined: April 03, 2014 Posts: 7468 Location: WA/ID
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Posted: Mon Mar 25, 2019 6:33 pm Post subject: Re: Changing Manual Transmission Oil |
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^^^ Thanks. Seems simple enough. _________________ - Jim
Abscate wrote: |
Do not get killed, do not kill others.
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Current: 1990 Westy Camper - Bostig RG4, 2wd, manual trans w/Peloquin, NAHT high-top, 280 ah LFP battery, 160 watts solar, Flash Silver, seam rust, bondo, etc., etc.
Past: 1985 Westy Camper - 1.9 wbx, 2wd, manual trans, Merian Brown, (sold after 17 years to Northwesty who converted it to a Syncro). |
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E1 Samba Member
Joined: January 21, 2013 Posts: 6556 Location: Westfalia, Earth
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Posted: Mon Mar 25, 2019 10:37 pm Post subject: Re: Changing Manual Transmission Oil |
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That is one fine method, WT. 👍🏼
Think I'll get a spare plug, and a rubber cork. Awesome idea. _________________ ‘84 Westy, 2.1L with Digijet, 5.43 R+P, GT Gears
"Adding power makes you faster on the straights.
Subtracting weight makes you faster everywhere."
— Colin Chapman |
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Steve M. Samba Member
Joined: July 30, 2013 Posts: 6832 Location: Fort Lauderdale, Fl.
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Posted: Tue Mar 26, 2019 7:00 am Post subject: Re: Changing Manual Transmission Oil |
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Just to add a thought here make sure the fill plug has been loosened and tightened as WildThings suggest if only for the reason that if something does happen where you drain all the oil out the drain plug you know you can get the fill plug opened to refill it.
The Fill Plug has had it's share of cuss words! _________________ This free advice is worth exactly what you paid for it.
There are seven days in a week. Someday is not one of them. |
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bobbyblack Samba Member
Joined: May 21, 2015 Posts: 4351 Location: United States, Iowa
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Posted: Tue Mar 26, 2019 7:46 am Post subject: Re: Changing Manual Transmission Oil |
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A method I've used when I forgot to put a crush washer in was to CLEAN both drain and fill locations very thoroughly, then rig up a shop vac to the Fill hole, run the vacuum and pull the drain, replace. Works with engine oil too but be aware of the breather leak.. _________________ '87 Westy 'Flossie','86 Westy 'R1','86 tintop GL - Subi2.2 'J2','83.5 stock tintop L 'ZoomBus','74 Karmann Ghia, '63 Notch |
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dobryan Samba Member
Joined: March 24, 2006 Posts: 16503 Location: Brookeville, MD
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Sodo Samba Member
Joined: July 06, 2007 Posts: 9609 Location: Western WA
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Posted: Tue Mar 26, 2019 1:26 pm Post subject: Re: Changing Manual Transmission Oil |
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bobbyblack wrote: |
CLEAN both drain and fill locations
.... rig up a shop vac to the Fill hole
run the vacuum
pull the drain, replace |
Dang Bobby I knew about that method but forgot. Thanks for dredging it up.
A great way to check drain magnets.
Who’s gonna test & report? _________________
'90 Westy EJ25, 2Peloquins, 3knobs, pressure-oiled GT mainshaft, filtered, cooled gearbox
'87 Tintop w 47k 53k, '12 SmallCar EJ25, cooled filtered gearbox
....KTMs, GasGas, SPOT mtb |
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?Waldo? Samba Member
Joined: February 22, 2006 Posts: 9752 Location: Where?
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Posted: Tue Mar 26, 2019 4:23 pm Post subject: Re: Changing Manual Transmission Oil |
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I wonder how much dirt you'd suck into your transmission through the atmospheric bleed opening doing that. |
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AndyBees Samba Member
Joined: January 31, 2008 Posts: 2331 Location: Southeast Kentucky
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Posted: Tue Mar 26, 2019 5:38 pm Post subject: Re: Changing Manual Transmission Oil |
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?Waldo? wrote: |
I wonder how much dirt you'd suck into your transmission through the atmospheric bleed opening doing that. |
I modified the vent on my tranny.
Below is a pic before it was installed.
I added a hose that hangs off the side like an elephant trunk. With this mod, it would be easy to avoid sucking dirt (durt as my oldest grandson says)..
_________________ '84 Vanagon Tin-top, ALH TDI. 1989 Tin-top
1983 Air-cool, 225k miles, 180k miles mine. Seven trips to Alaska from 1986 thru 2003. |
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jimf909 Samba Member
Joined: April 03, 2014 Posts: 7468 Location: WA/ID
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Posted: Tue Mar 26, 2019 7:05 pm Post subject: Re: Changing Manual Transmission Oil |
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^^^ That becomes the perfect port to apply a controlled vacuum to so you can pull the drain plug and leave it open all afternoon w/out losing a drop. _________________ - Jim
Abscate wrote: |
Do not get killed, do not kill others.
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Current: 1990 Westy Camper - Bostig RG4, 2wd, manual trans w/Peloquin, NAHT high-top, 280 ah LFP battery, 160 watts solar, Flash Silver, seam rust, bondo, etc., etc.
Past: 1985 Westy Camper - 1.9 wbx, 2wd, manual trans, Merian Brown, (sold after 17 years to Northwesty who converted it to a Syncro). |
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Sodo Samba Member
Joined: July 06, 2007 Posts: 9609 Location: Western WA
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Posted: Tue Mar 26, 2019 7:38 pm Post subject: Re: Changing Manual Transmission Oil |
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Vent is too small for the vacuum necessary. What can a vacuum pull, 5 psi (of 14 total)?
You need the volume of the filler hole (which is same size as the drain hole). Waldo if a little dirt got sucked in that’s nothing compared to the metal thats been circulating (and will be removed under the “new maintenance regime” ).
My foggy memory is suggesting that dirt entering the vent hole is caught in a “cavity” that it doesn’t get into the oil. (On a Syncro) but not sure on 2wd. Can the vent hole area can be brushed off cleaned on the outside? _________________
'90 Westy EJ25, 2Peloquins, 3knobs, pressure-oiled GT mainshaft, filtered, cooled gearbox
'87 Tintop w 47k 53k, '12 SmallCar EJ25, cooled filtered gearbox
....KTMs, GasGas, SPOT mtb |
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Zeitgeist 13 Samba Member
Joined: March 05, 2009 Posts: 12115 Location: Port Manteau
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Posted: Tue Mar 26, 2019 8:26 pm Post subject: Re: Changing Manual Transmission Oil |
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It might come in from all the seals around the axle flanges, shifter, and input shaft. Those seals are designed to keep oil in, but not to prevent negative pressure from drawing in air and crud. _________________ Casey--
'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik? |
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AndyBees Samba Member
Joined: January 31, 2008 Posts: 2331 Location: Southeast Kentucky
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Posted: Tue Mar 26, 2019 8:34 pm Post subject: Re: Changing Manual Transmission Oil |
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Not that I am going to attempt this suggested method of changing magnetic plugs, but considering the comments, size of the drain hole, etc., are there any thoughts on the approximate amount of vacuum required to "hold" the oil without it puking out? _________________ '84 Vanagon Tin-top, ALH TDI. 1989 Tin-top
1983 Air-cool, 225k miles, 180k miles mine. Seven trips to Alaska from 1986 thru 2003. |
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Wildthings Samba Member
Joined: March 13, 2005 Posts: 50348
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Posted: Tue Mar 26, 2019 8:36 pm Post subject: Re: Changing Manual Transmission Oil |
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Zeitgeist 13 wrote: |
It might come in from all the seals around the axle flanges, shifter, and input shaft. Those seals are designed to keep oil in, but not to prevent negative pressure from drawing in air and crud. |
Actually many transmissions run negative pressure because the case vent valves let air out, but not back in. |
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Sodo Samba Member
Joined: July 06, 2007 Posts: 9609 Location: Western WA
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Posted: Tue Mar 26, 2019 8:56 pm Post subject: Re: Changing Manual Transmission Oil |
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During that time where you hook up the vacuum and then until you getthe plug out, vacuum is maxed. At least the shift shaft is not moving and drive flanges are not turning, oil is cold, thick.
Maybe to just pull the plug out and shove another magnetic plug in quickly is good enough.
If you do it after the vans been parked for a couple weeks, the oil that departs your trans is “dregs” from the bottom, with the most settled metal. Its like a stool sample. If u see a lot of corn in it..... _________________
'90 Westy EJ25, 2Peloquins, 3knobs, pressure-oiled GT mainshaft, filtered, cooled gearbox
'87 Tintop w 47k 53k, '12 SmallCar EJ25, cooled filtered gearbox
....KTMs, GasGas, SPOT mtb |
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