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[email protected]
Samba Member
Joined: August 02, 2003
Posts: 2
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 Posted: Wed Aug 20, 2003 5:24 am Post subject: Transmission oil change |
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| Does anyone know what size hex wrench it takes to get the drain and fill plugs out of a '78 bus transmission? |
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keifernet
Samba Search & Rescue
Joined: May 11, 2002
Posts: 19395
Location: Samba Center for Behavioral Science
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| Posted: Wed Aug 20, 2003 5:52 am Post subject: |
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| 17mm... |
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spectral method
Samba Member
Joined: August 19, 2003
Posts: 37
Location: Melbourne, Australia.
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| Posted: Wed Aug 20, 2003 6:49 am Post subject: |
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| and assuming we are talking manual 'boxes here, is it just a matter of warming up and ditching the old oil, then pumping the new stuff in? What is the capacity (ie will my 4 litres of 90 weight hypoid gear old do the do)? I'm planning to use a hand pump thingy with an in-line cylinder of plastic that you squeeze to move the fluid along. Sound reasonable? |
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ratwell
Samba Member
Joined: April 26, 2003
Posts: 8717
Location: Victoria, BC
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| Posted: Wed Aug 20, 2003 8:55 am Post subject: |
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You need the special 17mm tool from the vwflaps. It's about $4.
Basically, get the car level after you warm it up a bit, drain oil from the lower plug, clean off the metal filings on the magnet, install, and pump in the new oil through the upper plug until it starts to bleed out.
4 quarts should be enough. I remember buying a gallon and having some left over.
If you are talking about a handheld accordian pump like the ones for $2 used to siphon gas I don't know. stalube makes a $4 pump designed for this purpose which I've used successfully.
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'78 Westfalia CDN
'76 Doublecab
Read the Baywindow FAQ |
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A.J. Adams
Samba Member
Joined: August 20, 2003
Posts: 115
Location: Stroud, United Kingdom
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| Posted: Wed Aug 20, 2003 6:48 pm Post subject: |
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| I was planning on using Royal Purple or Mobil 1 synthetic oil. Has anyone had any good/ bad experiences with synthetic in a manual gearbox? |
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dana
Samba Member
Joined: April 28, 2003
Posts: 95
Location: edmonton, alberta, canada
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| Posted: Wed Aug 20, 2003 7:49 pm Post subject: |
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| Always remove the fill(top) plug first. the last thing you want to do is drain all your tranny fluid then find out the fill plug is stripped. makes for some tough fillin. |
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AlaskaWesty
Samba Member
Joined: August 10, 2003
Posts: 81
Location: The End of the Road
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| Posted: Fri Aug 22, 2003 11:02 am Post subject: |
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Changed my tranny fluid (or what was left) last night. Drained it all out and took before and after shots of the magnet on the drain plug. There was alot of buildup there! I wonder if it had ever been opened. I used a gallon container of 80 W 90 gear oil and filled to specs. They sold me a pumper that screwed on to the top of the jug and had a small tube that attached to it to pump it in. The guy said an inline pump would be difficult to pump this heavier oil. It worked great and she is full. Now if I can just find first and second. Low oil must not have been the culprit.
Good luck. |
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ratwell
Samba Member
Joined: April 26, 2003
Posts: 8717
Location: Victoria, BC
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| Posted: Fri Aug 22, 2003 11:44 am Post subject: |
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| dana wrote: |
| Always remove the fill(top) plug first. the last thing you want to do is drain all your tranny fluid then find out the fill plug is stripped. makes for some tough fillin. |
Good point. More important is that fluids flow better when there is another way for air to fill the space the fluid is leaving.
Re: the metal filings. It's normal to have a lot and the magnet is doing it's job. Send the photo if you are unsure what too much is.
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'78 Westfalia CDN
'76 Doublecab
Read the Baywindow FAQ |
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AhnwS71
Samba Member
Joined: January 31, 2018
Posts: 215
Location: Huntsville, AL
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| Posted: Mon Apr 20, 2020 7:42 pm Post subject: Re: Transmission oil change |
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When changing oil, should i cleanse the transmission some way after draining the old oil before i put the new oil in? Not sure when or if ever the oil was changed on my trans. I have Stalube gl-4 for the replacement.
Thank you in advance
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'71 Westy
Sometimes you eat the bar, and sometimes the bar eats you. the Stranger |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16886
Location: sticksville, ct.
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| Posted: Mon Apr 20, 2020 8:12 pm Post subject: Re: Transmission oil change |
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get it screaming hot and dump it. if you're a freak, refill and get it screaming hot again, dump it. rinse and repeat as many times as you'd like. I wouldn't put any sort of cleaner thru it
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airschooled
Air-Schooled
Joined: April 04, 2012
Posts: 12728
Location: on a bike ride somewhere
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| Posted: Mon Apr 20, 2020 8:49 pm Post subject: Re: Transmission oil change |
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Oof, good to know I'm not a freak… I just pump a few oz. of fresh oil through it before sealing up the drain plug. Then you still have a bit left over to top up if needed, which I haven't found to be needed in stock applications.
Make sure your drain plug gets the (now-clean) magnet. I've found whacky things from POs…
Robbie
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Mon Apr 20, 2020 9:19 pm Post subject: Re: Transmission oil change |
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| asiab3 wrote: |
Oof, good to know I'm not a freak… I just pump a few oz. of fresh oil through it before sealing up the drain plug. Then you still have a bit left over to top up if needed, which I haven't found to be needed in stock applications.
Make sure your drain plug gets the (now-clean) magnet. I've found whacky things from POs…
Robbie |
If its worth anything I lost it. If it is junk I know nothing about it.
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50353
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| Posted: Mon Apr 20, 2020 9:56 pm Post subject: Re: Transmission oil change |
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| AhnwS71 wrote: |
When changing oil, should i cleanse the transmission some way after draining the old oil before i put the new oil in? Not sure when or if ever the oil was changed on my trans. I have Stalube gl-4 for the replacement.
Thank you in advance |
I wouldn't worry about cleaning the transmission unless the oil is obviously contaminated. If it has gotten water mixed into the oil then flushing would be justified. |
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AhnwS71
Samba Member
Joined: January 31, 2018
Posts: 215
Location: Huntsville, AL
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| Posted: Tue Apr 21, 2020 8:08 am Post subject: Re: Transmission oil change |
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| skills@eurocarsplus wrote: |
| get it screaming hot and dump it. |
to get it that hot, drive around for a while? how long do you suggest? lots of stops and go till third gear and stop and go? Just trying to think of a way to work the transmission.
Thanks all and have a great day.
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'71 Westy
Sometimes you eat the bar, and sometimes the bar eats you. the Stranger |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16886
Location: sticksville, ct.
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| Posted: Tue Apr 21, 2020 8:25 am Post subject: Re: Transmission oil change |
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| AhnwS71 wrote: |
to get it that hot, drive around for a while? how long do you suggest? lots of stops and go till third gear and stop and go? Just trying to think of a way to work the transmission.
Thanks all and have a great day. |
an hour on the highway at 70 will do it. you want it hot so all the crap stays in suspension and it drains quicker. around town won't get it hot enough imho.
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| gprudenciop wrote: |
my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
| Jake Raby wrote: |
| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
| Brian wrote: |
| Also the fact that people are agreeing with Skills, it's a turn of events for samba history |
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AhnwS71
Samba Member
Joined: January 31, 2018
Posts: 215
Location: Huntsville, AL
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| Posted: Tue Apr 21, 2020 9:30 am Post subject: Re: Transmission oil change |
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| skills@eurocarsplus wrote: |
an hour on the highway at 70 will do it. you want it hot so all the crap stays in suspension and it drains quicker. around town won't get it hot enough imho. |
ok thanks. I will try that. I haven't had my bus over 50 yet and not more than a 10 minutes drive. I will hold off on the task a bit after i build up my confidence.
What about putting the front tires on ramps during draining process. speed it up?
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'71 Westy
Sometimes you eat the bar, and sometimes the bar eats you. the Stranger |
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Abscate
Samba Member
Joined: October 05, 2014
Posts: 22670
Location: NYC/Upstate/ROW
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| Posted: Tue Apr 21, 2020 11:11 am Post subject: Re: Transmission oil change |
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It doesn't take long
By the time I am back from throwing up in the bushes from the hyped oil smell, its done draining.
You do want it level for filling though, of course.
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igotta40
Samba Member
Joined: February 21, 2014
Posts: 113
Location: Texas
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| Posted: Tue Apr 21, 2020 8:51 pm Post subject: Re: Transmission oil change |
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Here’s that special 17mm wrench......
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caffeinebean
Samba Member
Joined: November 20, 2013
Posts: 234
Location: Menifee, CA (92584)
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| Posted: Wed Apr 22, 2020 10:02 am Post subject: Re: Transmission oil change |
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Neat idea!
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1970 Westfalia "Wesley"
1973 Super Beetle Convertible. "Jewel"
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airkooledchris
Samba Member
Joined: January 25, 2005
Posts: 2713
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| Posted: Wed Apr 22, 2020 10:23 am Post subject: Re: Transmission oil change |
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If this is what you find when you pull the drain plug, consider flushing it out before refilling:
This transmission is still in service btw. I drove through a flooded road earlier this spring and it filled it with water. It started seeping grey colored oil/water/ooze from the shift rod input seal, so I got it hot - drained, flushed, then refilled with fresh clean GL-4.
Show em some love and they'll run forever. |
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