

| Subject: | Re: Transmission swap problems: 86 tranny onto 83 engine. |
| From: | vw_van_fan_Mark |
| Date: | Tue, 5 Jan 2016 11:56:15 -0800 |
The shifting symptoms you describe with the old tranny may have to do with a bad pilot bearing in the end of the crankshaft. Did you check that pilot bearing when you had the tranny out? If not, maybe it is a problem now too. Mark Rick Cooper wrote: >> On 5 Jan , 2016, at 12:03 PM, Rick Cooper wrote: >> >>> I'm trying to replace the manual transmission in an '83 Westy with one >> from >>> an '86 tintop. Quite simply, I can't get the transmission to mate with >> the >>> 1.9 engine; there is some mechanical obstruction. I think I'm far enough >>> away that the input shaft has not even started into the clutch disc >>> splines; the fresh grease I put on the input shaft has not been >> disturbed. >>> >>> I don't think its an incompatible parts issue since they appear >> identical. >>> The transmissions are both stamped 091 301 103D, the pressure plates are >>> marked "Sachs Typ M228" and the clutch discs are both Sachs and measure >>> 228mm in diameter. (The clutch kit from the 1983 is nearly new; the PO >>> told me it had been recently replaced and I was hoping to re-use it.) >> The >>> input shafts appear identical; the clutch disks from both will slide onto >>> either one of them. >>> >>> Why was I replacing the transmission? Gearing problems -- usually >>> impossible to shift into first from neutral; usually had to get van >> moving >>> in 2nd and then downshift to 1st. Also issues shifting from 2nd to 3rd. >>> It seemed less expensive to swap in a good used transmission than to have >>> that one rebuilt. >>> >>> Can anyone suggest what the problem might be? (I haven't done many >>> engine/tranny swaps, but I'm experiencing deja vu. I once tried to put >> the >>> engine from an '88 Chev S10 into a 1991 Chev S10. Same problem; could >> not >>> get the engine to engage with the 91 transmission's input shaft. Turns >> out >>> that GM had changed the input shaft size in the intervening years.) >>> >>> Thanks, Rick >> >> >
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