

| Subject: | Re: Syncro shifter rattle |
| From: | Tim King |
| Date: | Wed, 29 Sep 1999 09:49:02 -0700 |
Wow, Mark, great post! I can't wait to try it this weekend. Thanks, Tim Seattle WA rattley 87 Syncro Westy ----- Original Message ----- From: Marc Theune <mtheune@EMORY.EDU> To: <vanagon@GERRY.VANAGON.COM> Sent: Wednesday, September 29, 1999 8:53 AM Subject: Re: Syncro shifter rattle > Hi Tim, > > I just rebuilt the entire shifter mechanism on my 85 Vanagon last night so > maybe I can point you to a couple of places to look for rattling -- if the > rattling is coming from the front, that is. > > First the disclaimer. I am new to this listserv (this is my first post) > and new to performing my own repairs. I don't even know if the shifter in > a Syncro is the same as in a Vanagon. > > But, with the help of this listserv and its great archives, I was finally > able on Monday to get my vanagon back on the road -- after three months of > it sitting in the driveway staring at me and challenging me to figure out > (on my own this time) what was wrong. Luckily I had alternate transport. > Researching the great archives and technotes here, and at type2.com, I was > able to narrow the problem down to the clutch slave cylinder. I fixed it > in one evening and saved probably $300. Thanks to all here and especially > Karl Bloss for all the moral support, and Sean Bartnik for his great how-to > on this. Maybe with this post I can repay part of the favor. > > Anyway, like I said, last night I decided to finally fix my shifter too > (I'm on a roll now, right?). For about a year it's been ridiculously > loose, traveling at least two feet in either direction in neutral and > movable up and down six inches within the shift boot. It was a great theft > deterent as no one could get the vanagon into gear -- not even the > mechanics. I had a few silent laughs at them as they tried to get it into > their garages to gouge me yet again for some minor repair. They repeatedly > admonished me that I had a problem with the shifter (really?) and that they > could fix it for $200-300. Each time, I politely demurred. I could drive > it so I let it slide (literally). > > So last night, with my newfound determination, I yanked the entire shifter > assembly apart, both above and below. Needless to say, I had to replace > the entire shift assembly that revolves around that plastice ball joint, > which had totally disintegrated. I found numerous broken pieces of it in > the spare tire holder. > > Luckily, the mechanics had a set of replacement parts that they reluctantly > sold to me as if this was some secret technology that they were releasing > to a suspected foreign agent. At first, I was like a toddler with a new 3D > puzzle -- totally lost -- but after a few minutes, I was able to get the > one rubber and the five plastic pieces assembled and attached correctly to > the shifter. Now my vanagon shifts so well _I_ can't drive it. > > Anyway Tim -- please forgive my longwindedness, but this is sooo exciting > -- I studied the entire connection between the shift lever, the shift rod, > and the cover box. It's really quite interesting. If I understand it > correctly, the shift lever and shift rod form an inverted "T" at the > connection, and when the shift lever is seated properly up top with a good > ball joint, etc., this "T" interacts down below with the ledges/shelves > that are welded inside either side of the cover box, one of which has a > groove. This interaction provides the limits of movement for the shifter > and the grooved ledge defines the push-down effect for reverse. > > Now the ends of this "T" are supposed to be coated with a thin layer of > plastic to minimize rattling, I guess. (Finally getting to the point...) > This plastic was okay on mine. The mechanics said that this coating is > premanufactured and that you need to buy an entirely new shifter rod piece > to replace it (these ends are on the shifter rod, not the shift lever). I > kinda doubt that. It seems that I read somewhere in the archives that > plastic covers could be found to replace this coating. But the mechanics > also said that you could just wrap the ends of the "T" with some electrical > tape for a temporary fix. > > I would be careful, given the tight quarters of this interaction, that I > didn't put too much tape on, because then the "T" might be too fat to work > smoothly with the ledges/shelves. > > Another source of rattling might be "T" connection itself. The shift lever > ends with a hollow bolt receiver that is welded perpendicularly (sp?) to > it. It's about two inches long and fits between the forked ends of the > shift rod. The bolt goes through everything to make the connection (it's a > 13mm head with a 10mm nut and can be inserted from only one side, if that > matters). Inside each end of the hollow receiver is a plastic cap/washer > thing that makes the bolt fit more snugly. > > It's possible that the connector bolt itself is loose, or that one or both > of those plastic inserts is busted. > > As far as the rubber sleeve that fits around the ball joint, I don't know. > The new one I got looked exactly like the old one. There was no wear that > I could see on the old one, as it's a pretty stout piece. If it is worn on > the inside, though, it could be allowing the ball joint to sit too low. I > just don't think this is likely. > > I suppose it's also possible that the slide ring on the shifter (up top, > just above the spring) may have slipped out of place. It is tightened with > the recessed screw in its side at the point of the shift lever where there > is an indentation to receive the screw's point. Or possibly that spring > there is worn? > > In summary, I would say that the most important aspect in the shift > assembly is the shift lever's proper seating up top under the shift boot. > If it is sitting too low, it will not interact properly with those ledges > in the cover box below. It's hard to see inside the cover box while > everything's assembled, but it's doable. First, look for broken plastic > pieces in the spare holder when you take the spare out. Then get your head > up there or use a mirror and have someone up top going through the gears > (engine off, of course). Watch the interaction. Then remove the cover box > (4 10mm nuts) and inspect the "T" and the ledges. Add a bit of tape on the > "T" if the plastic coating is bad as its doesn't cost anything. Make sure > that the ledges inside the cover box are not bent or broken. Grease them > while you have it off. Make sure the connector bolt on the "T" is fairly > tight and that the inserts are not busted. If none of this fixes the > rattling, look closely at the assembly up top to see if anything looks off, > something that would make the shift lever sit too low. The ball joint has > two pieces, the top and bottom halves form the ball. Maybe the bottom, > invisible half is busted. The plastic casing for the ball is also two > pieces -- one for each side. You should be able to tell if somethings > wrong because the ball will look too low in the casing. It should be > centered and snug (and greased). Pull up on the shift lever and see what > happens. > > If all else fails, rebuild the assembly like I did. You may even be able > to find the whole thing already assembled in that oblong sleeve holder > thing that the ball joint sits in. > > Hope this helps. You probably already knew all of this and I'm sure others > out there know much more, but I just wanted to impart my observations while > they were still fresh in my mind. And I promise to be more concise in my > future postings. > > Marc > 85 Vanagon > Atlanta, GA > > At 05:15 PM 9/28/99 -0700, you wrote: > >I'm just _full_ of questions lately... > > > >With my 87 syncro westy now running, I'm spending lots of time tracking down > >small issues. The most irritating of which is shifter rattle. The linkage is > >great -- the vehicle goes in and out of gear like _butter_. However, when > >it's in gear (4th is the worst), the shifter is able to wobble, float, > >rattle, klink, bang, and buzz around until I'm ready to gouge my eyes out > >with all the straws I've stolen from Starbucks. The sound is very metallic > >in nature. It almost sounds like the linkage is rubbing against something as > >the vehicle vibrate. It's so loose, I can actually gently move the lever > >almost all the way over to where first should be and keep the van in 4th. If > >I grab the linkage under the van, it wobbles with ease. My 83 had much more > >tension in it. > > > >I've looked at the ball under the shift boot, and it _looks_ fine, but > >that's about as far as I've got. I'm sure the whole thing is exacerbated by > >my drivetrain vibration problems (probably drive shaft, but certainly not > >helped by the chunky Gislavad snow tires it's wearing), but I'd kind of like > >to tackle one thing at time and the shifter rattle seems like the easier of > >the problems. > > > >Any ideas? > > > >Thanks folks. > > > >Tim King > >Seattle, WA > >87 Syncro Westy > > > >
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