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Old 13-07-2017   #106
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Propshaft removal and bearing replacement this week after the catastrophic rubber failure on the pay and play site in Yorkshire.

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New bearing plus some bent plate to allow extra support and relieve excess stress from the rubber in the future.

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Old 31-07-2017   #107
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Off on my hols to Italy Click image for larger version

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Belguim Luxembourg France Switzerland Austria Italy dolomites
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Old 31-07-2017   #108
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Luxembourg Click image for larger version

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Old 01-08-2017   #109
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Switzerland Click image for larger version

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Old 07-08-2017   #110
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Latest marmolarda free ride panda gets to the marmolarda Click image for larger version

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Old 07-08-2017   #111
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

I need to road trip again...been far too long! Looks like you're having a great adventure anyway!
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Old 07-08-2017   #112
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Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Quote Originally Posted by pandamonius_maximus View Post
I need to road trip again...been far too long! Looks like you're having a great adventure anyway!

It's Adam I am at home starting a new 4xr4 build next year we will have 2 monster pandas
!!! Or even sooner
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Old 10-08-2017   #113
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Update Panda Brian seen on Italian Facebook Click image for larger version

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The boys are to return via Germany and Amsterdam !
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Old 17-08-2017   #114
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

So... after the 2307 mile round trip, without breakdown, the gearbox had began to make even more noise than it originally did.

The time had come to replace it with a spare in order to strip and investigate the problem.

Removing the gearbox with engine in situ

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Old and replacement

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One problem discovered. Bearing 'retaining rings' on the tripod bearing have worn through for some reason, allowing the roller bearings to come free.

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Possible cause? Maybe poor quality bearings as bought as part of non OEM UNO driveshaft?
Reason?

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Because the driveshaft is at an increased operating angle, the rotational force from the driveshaft does not only result in a radial force, but also acts along a second vector, longitudinally. Pushing the bearing race against the retaining ring and wearing it out. Thoughts?

Drivers side driveshaft checked and has no obvious wear

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Also absolutely no contact has occurred between main tapered gearbox bearing or modified flange and driveshaft, confirming the raised geometry is all OK

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Additional problem found was not enough additional shims were added to the near side main bearing to account for the difference in depth of the fiat 127 gearbox flange used.

Flange depth of panda measured as 12.6mm. 127 flange measured at 11mm

Additional 1.8mm shim to be added from removed gearbox.

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Old 17-08-2017   #115
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Potential resolution:

To lower engine further.

However, because I am reluctant at reducing ground clearance.

The plan is to replace the bearing with an OEM part and check for wear after the next 1000 miles.
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Old 17-08-2017   #116
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Been there, done that...
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Old 17-08-2017   #117
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Damage above was still on std shaft.
With Uno shaft it was not right at the first point but after further mods to the cv spacer it cured
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Old 17-08-2017   #118
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Have you had a lot off gear in the boot?
And were any wooble noticed on steering wheel under acceleration up the hill?

My wooble was cured by Gas Niva rear shocks as the rear was squating to much on the 124 estate oil shocks.

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Old 17-08-2017   #119
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

What we need is suitable tripod of AAR type (Angular Adjustable Rollers) to match the dimensions of panda one.

Which I failed to find.
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Old 17-08-2017   #120
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Re: Brian the BFP (Big Friendly Panda)- 1988 Sisley 4X4

Quote Originally Posted by kolza View Post
Have you had a lot off gear in the boot?
And were any wooble noticed on steering wheel under acceleration up the hill?

My wooble was cured by Gas Niva rear shocks as the rear was squating to much on the 124 estate oil shocks.



We have had the CV spacers machined like you already to reduce driveshaft angle.

Off gear in boot? Sorry what do you mean? Burrs off the gear inside the boot?

Yes! Not necessarily uphill though. I had steering wheel wobble on the motorway, between 60 and 65 mph. Anything above or below these figures no wobble at all.

What did you find this was related to? Squatting off the rear? Why?
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