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WhiteJawz1 Samba Member
Joined: May 13, 2013 Posts: 87 Location: Canada
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Posted: Mon Dec 29, 2014 12:17 pm Post subject: 72 bug grinds first gear and first gear only |
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My 1972 bug won't go in first gear till I slow right down to o most nothing
If I'm going any speed and I try to down shift it pushes really hard then will grind and jump in gear
It will not jump out of gear and when you get it in first it works good
Shifts fine when the car is not moving or the engine is off
All my other gears work fine |
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ROCKOROD71 Samba Member
Joined: January 18, 2012 Posts: 2770 Location: Boston, MA
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Posted: Mon Dec 29, 2014 1:59 pm Post subject: |
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Others will surely chime in and correct me here, but my advise is not to be downshifting into 1st. My car would do the same if i tried. Does it grind or give you trouble shifting to 1st from a standstill, or going from 1st to second?
When I'm coming up to a stoplight i will downshift the car all the way into 2nd before applying breaks. Once the RPMs in second start coming close to idle I drop it to neutral and use just brakes to come to a stop. At this point with a standard gearbox you'r going about 15 mph maybe in 2nd? Probably less? Easy job for the brakes.
I think if you are going faster than say, 10mph the trans isn't gonna wanna go into 1st, and will give that grinding response. Something to do with the synchros or something. Someone else probably has a much more technical answer than me.... _________________ 1971 STD BEETLE- DD-1st car, 1st love. keepin' it stock! 1600DP, Solex 34-3 Mexi Bosch SVDA Dist NOW w/POINTS
1977 WESTY "KrustyKamper" 2L FI
79SuperVert wrote: |
30 years from now, the next guy may not want your girlfriend, but he may want your classic car, depending on how nice you were to it. |
asiab3 wrote: |
Careful guys, a petulant child can grow up to be president these days. |
**winter drivers: no survivors!**rust warrior**#keepbodyshopsbusy** |
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Tim Donahoe Samba Member
Joined: December 08, 2012 Posts: 11740 Location: Redding, CA
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Posted: Mon Dec 29, 2014 2:56 pm Post subject: |
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I see that you live in Canada. Cold Canada.
I live in Northern California, and when it's cold outside where I live, it may be--to you--a nice, warm winter day.
I bring this up because on colder days here--say 45 degrees Fahrenheit, I have to wait until the transmission warms up before I would attempt to downshift into first. I have no issues downshifting into first when it's a warm day, however.
I also have harder shifting into second when first taking off and the engine and transmission is cold on a cold day. Once warm, no issues. What I do is wait an extra second before placing into ger, under these cold conditions. But it still takes a good half mile before I would downshit into first gear on a cold day.
It seems like that's the way it has been with all my ACVW's.
Have you tried changing your gear oil to a lighter one for winter? It might help.
Tim |
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Bruce Samba Member
Joined: May 16, 2003 Posts: 17296 Location: Left coast, Canada
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Posted: Mon Dec 29, 2014 3:34 pm Post subject: |
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Is there oil in your trans? Has it been changed any time this century?
What's your clutch pedal freeplay? _________________
overheard at the portland Swap Meet... wrote: |
..... a steering wheel made from a mastadon tusk..... |
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Chochobeef Samba Member
Joined: May 01, 2013 Posts: 811 Location: Ft. Worth, Texas
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Posted: Mon Dec 29, 2014 4:28 pm Post subject: |
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ROCKOROD71 wrote: |
Others will surely chime in and correct me here, but my advise is not to be downshifting into 1st. My car would do the same if i tried. Does it grind or give you trouble shifting to 1st from a standstill, or going from 1st to second?
When I'm coming up to a stoplight i will downshift the car all the way into 2nd before applying breaks. Once the RPMs in second start coming close to idle I drop it to neutral and use just brakes to come to a stop. At this point with a standard gearbox you'r going about 15 mph maybe in 2nd? Probably less? Easy job for the brakes.
I think if you are going faster than say, 10mph the trans isn't gonna wanna go into 1st, and will give that grinding response. Something to do with the synchros or something. Someone else probably has a much more technical answer than me.... |
Concur, do not downshift into first when moving. You might be ok when you are almost completely stopped, but no other time. Even most newer cars will not downshift into first. Second is plenty to slow you down in a hurry by gear. |
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WhiteJawz1 Samba Member
Joined: May 13, 2013 Posts: 87 Location: Canada
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Posted: Mon Dec 29, 2014 9:02 pm Post subject: |
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Normally I'm going really slow and I'm close to stopping before it goes in gear
My clutch freeplay is good
My tran oil could prob use to be changed soon
And I don't think it's the cold doing it because I use it as a summer car
I will need to check the speed at what I'm going but I'm sure I'm going like 10 mph when I try to downshift and it won't go I'm till I'm going like 5 mph |
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dirtkeeper Samba Member
Joined: February 19, 2008 Posts: 3200 Location: Left of everywhere
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Posted: Mon Dec 29, 2014 9:19 pm Post subject: |
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My car doesnt like to downshift to first either unless i'm really slow .
sounds normal |
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ihatemayo Samba Member
Joined: January 05, 2007 Posts: 115 Location: Portland, ME
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Posted: Mon Dec 29, 2014 9:23 pm Post subject: |
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I would not recommend downshifting to first at 10 mph in a vw |
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luvtheeluvbug Samba Member
Joined: January 06, 2013 Posts: 288 Location: Sonora, Ca
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Posted: Tue Dec 30, 2014 3:44 pm Post subject: |
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Most VW manual will say "DO NOT DOWN-SHIFT INTO 1st!" and some VW dealerships even installed a sticker above the ash tray that says "DO NOT DOWN-SHIFT INTO 1st!". Like others have said, most manual cars don't. First gear is for when you have stopped completely. _________________ Fahrvergnugen/ far-fair-gnu-ghen/ Description of a pleasurable sensation experienced when a car and it's driver are in mutual harmony; A unique driving experience; Pleasure; Satisfaction; A feeling experienced by Volkswagen drivers. |
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enjoyther1de Samba Member
Joined: December 19, 2010 Posts: 1279 Location: chino,ca
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Posted: Tue Dec 30, 2014 4:00 pm Post subject: |
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If you have to downshift into first, and I know because I have taller tires and my car doesn't like to pull 2nd below 10 mph. If I have to downshift I rev the motor up pretty good to get it to slide into first smoothly. Kinda like a harley. _________________ HBB took me to BBV. |
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Joel Samba Member
Joined: September 04, 2006 Posts: 11099 Location: NSW Australia
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Posted: Tue Dec 30, 2014 7:04 pm Post subject: |
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luvtheeluvbug wrote: |
Most VW manual will say "DO NOT DOWN-SHIFT INTO 1st!" and some VW dealerships even installed a sticker above the ash tray that says "DO NOT DOWN-SHIFT INTO 1st!". |
That sticker was in 50s bugs that had split case trans as they had non syncro first so you couldnt shift into first when moving
Normally fully syncro trans will go into 1st when moving perfectly fine its just after 4plus decades of people hammering the shit out of 1st and 2nd syncros and never changing the oil they often cant any more. _________________ Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle |
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WhiteJawz1 Samba Member
Joined: May 13, 2013 Posts: 87 Location: Canada
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Posted: Tue Dec 30, 2014 7:28 pm Post subject: |
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Thanks guys, I will try not to downshift as much and I will change my oil, could someone tell me what gearbox oil to use ? |
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Brian Samba Moderator
Joined: May 28, 2012 Posts: 8340 Location: Oceanside
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Posted: Tue Dec 30, 2014 7:50 pm Post subject: |
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Joel wrote: |
Normally fully syncro trans will go into 1st when moving perfectly fine its just after 4plus decades of people hammering the shit out of 1st and 2nd syncros and never changing the oil they often cant any more. |
I was told by a mechanic a while back that it is bad to rest your hand on the shifter while driving because you're slightly pushing the forks which will in turn push on your syncro. but yea, worn syncros will make some lovely noises. _________________ Wash your hands
'69 Bug
'68 Baja Truck
'71 Bug
'68 Camper
Only losers litter |
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OldIronSpine Samba Member
Joined: August 30, 2013 Posts: 155
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Posted: Tue Dec 30, 2014 9:02 pm Post subject: |
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I had this problem as well, and the two things that helped was the transmission fluid, and replacing the bushing linkage (The name escapes me for the moment, hopefully someone fills in the blank here) underneath the back seat, you just need to replace the bushing in it with an urethane bushing from bug pack, you'll have to buy the whole thing though, but I was told to take the bushing out of the metal piece, and insert it into the old metal casing because the older ones are built better.
I hope that helps,
Austin |
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Bruce Samba Member
Joined: May 16, 2003 Posts: 17296 Location: Left coast, Canada
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Posted: Wed Dec 31, 2014 2:26 am Post subject: |
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ROCKOROD71 wrote: |
When I'm coming up to a stoplight i will downshift the car all the way into 2nd before applying breaks. .... |
This is ok to do on occasion, but if you're doing that for every stop, you shouldn't.
You are wearing out your gearbox (rebuild cost $1000+) in order to save $30 in brake pads. Not wise.
When you see the light ahead change to red, leave it in that gear until it doesn't slow you enough, then ride the brakes to stop. _________________
overheard at the portland Swap Meet... wrote: |
..... a steering wheel made from a mastadon tusk..... |
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Abscate Samba Member
Joined: October 05, 2014 Posts: 22681 Location: NYC/Upstate/ROW
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Posted: Wed Dec 31, 2014 4:48 am Post subject: |
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WhiteJawz1 wrote: |
Thanks guys, I will try not to downshift as much and I will change my oil, could someone tell me what gearbox oil to use ? |
Any brand name 80w-90 hypoid oil...Mobil penzoil, valvoline
Up there in the GWN, you might want to consider 75W-80 grade if you see -40 degrees in winter!
I don't know about synthetic gear oil in bugs...might be worth a samba search _________________ .ssS! |
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EVfun Samba Member
Joined: April 01, 2012 Posts: 5498 Location: Seattle
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Posted: Wed Dec 31, 2014 8:36 am Post subject: |
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I've had good luck with Redline MT-90 GL4 gear oil making transaxles and transmissions shift a little better. _________________
Wildthings wrote: |
As a general rule, cheap parts are the most expensive parts you can buy. |
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modok Samba Member
Joined: October 30, 2009 Posts: 26796 Location: Colorado Springs
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Posted: Wed Dec 31, 2014 4:16 pm Post subject: |
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With good syncro you CAN shift into first above 4 or 5 mph, but if you make a habit of it then after a few years you will wear it out prematurely...... and then you will learn not to do it because of the grinding
The after you've learned to shift at the right moment and fixed the trans it will last a long time. |
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SOLiiD Samba Member
Joined: June 01, 2016 Posts: 141 Location: in the hot
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Posted: Wed Jul 20, 2016 1:30 am Post subject: Re: 72 bug grinds first gear and first gear only |
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Mine will do this after sitting at a full stop, still playing with it to get the feel for reproducing it. It seems to do this when I try moving into first after pushing the clutch in. If I hold it in then shift slowly into first it doesnt grind. This is the 2nd day Ive driven the bug. _________________ 72 Super RIP
70 Baja |
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Mos6502 Samba Member
Joined: December 30, 2015 Posts: 725
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Posted: Wed Jul 20, 2016 1:39 am Post subject: Re: 72 bug grinds first gear and first gear only |
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SOLiiD wrote: |
Mine will do this after sitting at a full stop, still playing with it to get the feel for reproducing it. It seems to do this when I try moving into first after pushing the clutch in. If I hold it in then shift slowly into first it doesnt grind. This is the 2nd day Ive driven the bug. |
Dragging clutch? Check adjustment. |
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