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Author Topic: Shakedown problems Need trans help  (Read 1971 times)
sweeney153
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« on: August 11, 2010, 02:13:26 PM »

I finally got to take my shake drove cruise on my 4106 and now I'm in trouble. Fist the small problem. How do you turn the heat off for the defrosters? The big problem when the bus warns up after driving a while I can't shift gears. I don't mean grinding, I can't get out of second.(Spicer 4 speed 8V71) I know this is poor planing but we are leaving tomorrow and I am looking for some quick advise.



HELP



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Warwick NY
1964 4106-2703 8V71 Spicer 4 speed
robertglines1
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« Reply #1 on: August 11, 2010, 02:27:50 PM »

ck trans fluid level....turn heater valves off in rear..on a mci there is a valve next to the drivers seat...don't know what yours has..someone with like bus will chime in...skip 2nd gear...just idea's not very good I'm afraid...shift out of 2nd at lower rpm...ck clutch adjustment.Is it releasing?   good luck  double clutch?
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
Len Silva
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« Reply #2 on: August 11, 2010, 02:29:08 PM »

It should just slip out of gear into neutral as you back off the throttle, with or without the clutch.   If it doesn't do that then I can't imagine what might be wrong, but it would make me very nervous too.  I would suspect a linkage problem.
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robertglines1
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« Reply #3 on: August 11, 2010, 02:37:12 PM »

does shifter move as it should ? by that I mean does the gear above it have adnormal travel at the shifter (different than before)...
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
sweeney153
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« Reply #4 on: August 11, 2010, 03:02:40 PM »

The shifter hardly moves at all. With the bus off and a little cooler now I can shift int firs and second but not third and fourth. The oil is low.
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Warwick NY
1964 4106-2703 8V71 Spicer 4 speed
luvrbus
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« Reply #5 on: August 11, 2010, 03:08:27 PM »

Check the reverse solenoid have someone engage it while spraying PB or other brand on the linkage and you should be fine
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« Reply #6 on: August 11, 2010, 04:04:17 PM »

The first thing to do is determine whether the problem is in the transmission or in the shift tower/linkage.  It is pretty easy to ,disconnect the linkage at the trans and determine the problem from there.  If the shift tower and linkage has not been greased or adjusted in a few years, it should be a pretty easy fix.
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Bill B /bus
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« Reply #7 on: August 11, 2010, 04:12:59 PM »

Grease shift tower. Not easy but essential. Next grease the bearings on the engine bulkhead. Another fun job without extensions on the grease fittings. And lastly grease the pivot points on the transmission cover.
If you have greased everything above then the shift linkage will move easily.
I had a problem with shifting on the Buffalo until I greased the shift tower. Viola! An immediate change for the better.

Good luck
Bill
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Bill & Lynn
MCI102A3, Series 50 w/HT740
sweeney153
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« Reply #8 on: August 11, 2010, 05:08:49 PM »

luvrbus

I owe you a Beer or ten.

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Check the reverse solenoid have someone engage it while spraying PB or other brand on the linkage and you should be fine

I had my son shift into and out of reverse and you were right it was sticking.

PB to the rescue.

Len every thing has been greased but I didn't do any thing to the reverse solenoid

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Warwick NY
1964 4106-2703 8V71 Spicer 4 speed
robertglines1
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« Reply #9 on: August 11, 2010, 05:35:53 PM »

 ;Dsounds like it needs more excerise....road trippppppp    Glad you got it..enjoy weekend   Bob  Did you get heat valve shut off?
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
Chopper Scott
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« Reply #10 on: August 11, 2010, 06:26:30 PM »

That dam Clifford is a "know it all"!!!!  Lucky for all of us!!!!
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sweeney153
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« Reply #11 on: August 11, 2010, 07:21:16 PM »

I didn't try the heat valves yet. Ill do that in the morning when its light again.

Kevin
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Warwick NY
1964 4106-2703 8V71 Spicer 4 speed
DMoedave
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« Reply #12 on: August 11, 2010, 07:33:46 PM »

well at least you have a spare! I want to see the set up on the crown someday! glad it was not a clutch or trans issue. Have a safe trip and see you saturday.
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we love our buses!!! NE Pa or LI NY, or somewhere in between!
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