FWIW..I have just transformed my shuddering to a smooth one by replacing
the pilot bearing and cleaning the clutch components. The bearing was
however well worn with three of the rollers actually missing.

Martin '82

At 08:57 16/04/00 -0400, Bob Donalds wrote:
>Gary McEachern wrote:
>>
>> I am in the process of replacing the tranny in my new Westy. I have three
>> problems I hoped to address while replacing the tranny.
>> 1.) A noisy transmission(loud whine)
>> 2.) Pops out of first and second gear.
>> 3.) The van shudders when starting out in first gear.
>>
>> I hope the new tranny will address the noise and popping out of gear. As
for
>> the shuddering, I initially suspected that the motor mounts might be bad or
>> that the clutch or pilot bearing might be shot.
>>
>> The motor mounts look OK and don't appear to be torn. The rubber on the
>> tranny mount, on the other hand, is torn/seperated from the outer ring.
Upon
>> removal of the tranny I found what appears to be a new sachs clutch and
>> pressure plate. The pilot bearing looks OK to me. The flywheel is a bit
>> discolored toward the center area where the clutch contacts it but looks OK
>> on the outer area. The inner area has brown and blueish splotches which I
>> suspect indicates overheating.
>>
>> My questions are:
>> 1. Could the torn tranny mount cause the shuddering?
>> 2. Could one of the tranny problems be causing the shuddering?
>> 2. What does the flywheel discoloration indicate?
>> 3. Am I overlooking something else that could cause this problem?
>>
>> Any input on this problem would be greatly appreciated.
>>
>> Gary
>>
>> Gary McEachern, Reading Ma.
>> '90 Westy
>> '84GL w/ Super Sunroof (for sale)
>> '87GL Wolfsburg Weekender (for sale)
>> '75 Spitfire
>>
>> ______________________________________________________
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>Gary
>I have had 2 clutchs chater in my own vans after installing new engines
>and clutchs.
>in the first van the chater started after I overheated the clutch in
>stop and go traffic
>and it chatered until I changed the disc only while swapping tranys. The
>disc I took out was a canadian sachs disc i put in a no name cheapo disc
>and it has never chatered again.
>the second van chatered after my wife drove the van to do erands she
>could not find first gear so started off in second gear repeatedly when
>she drove in the driveway the smell of the burning clutch filled the
>yard the engine,clutch, mounts, pilot bearing and freshly ground
>flywheel where new again the clutch kit was a canadian sachs disc.
> the sachs clutchs now have a mexican disc and they seem to take the
>heat and are not as likley to chater
>the burnt marks on the flywheel are signs of heat and of the disc
>grabing the flywheel unevenly the chater is also a sign that the disc is
>grabing unevenly it garbs and lets go and so on
>I would have the flywheel machined by a shop that will take the time to
>dial in the flywheel on the grinder before its machined so it runs true
>as it spins, when its bolted to the crankshaft. next the pilot bearing
>needs to be good and lubed the felt seal in the flywheel needs to be in
>place to prevent grease from getting on the disc fiction surface the
>right felt seal part # is 021 105 311 the seal is held in place with a
>steel
>insert they are no longer availible at the dealer
>I still use the sach clutchs with the mex disc if you want to use the
>clutch you have then I feel it would be worth replacing the disc at the
>minimum I have a no name disc or the sachs disc on hand and will leave
>them outside the shop door as I will not be home today come and take the
>one you need and we will settle up next week
>Bob
>
>