R56 Engine replaced; now destroys drive shafts! - MINI Cooper Forum
Go Back   MINI Cooper Forum > Model Specific MINI Forums > MINI Cooper S > Second Generation MINI Cooper S


Second Generation MINI Cooper S MINI Cooper S Late 2006 - Present

Mini2.com is the premier Mini Cooper Forum on the internet. Registered Users do not see the above ads.
Reply
Similar Threads
Thread Thread Starter Forum Replies Last Post
MINI R56 engine Timing chain genus9 General Discussion 7 Apr 1st, 2014 10:18 PM

 
LinkBack Thread Tools Rate Thread
  #1 (permalink)  
Old Jun 26th, 2014, 11:28 PM
MINI2 Newbie
Offline
 
Join Date: Feb 2013
Posts: 6
Local Time: 05:30 AM
United Kingdom
R56 Engine replaced; now destroys drive shafts!

My son's R56 Cooper S recently had a rebuilt engine dropped in to replace the original which was "broken".
Within an hour or so after collecting the car from the garage, the outer CV joint on the front left drive shaft fell to bits.
A new drive shaft was installed and all seemed fine. Until he had driven the car for about 5 miles. The brand new drive shaft went bad, just like the original.
It seems the drive shaft may have too much slack, allowing the CV joint to part when cornering, tearing up the rubber boot that covers the joint and allowing the bearings to thrash around.
Looking at the engine mounts from above, there is a mount on the left side of the car that can be easily seen. The mounting bolt on that side comes up through a slot in the mount, allowing for sideways movement of the engine in the mount.
The bolt has been installed and tightened with the engine apparently all the way over to the right side of the car, ie the mounting bolt is hard up against one end of the slot in the mount.
It looks very much as if the engine has been mounted way over to the right side of the car which means the transmission is too far away from the wheel and the drive shaft is effectively too short.
Is there a correct way to align the engine left to right? Does the engine have to come to bits to properly align the engine so the engine is centred properly between drive shafts, or is it correct to slacken that one slotted engine mount and lever the engine into the correct alignment before tightening again?
Cheers
Reply With Quote
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old Jun 27th, 2014, 12:20 PM
MINI Technician Sydney
Offline
 
Join Date: Jun 2014
Location: Sydney
Posts: 9
Local Time: 04:30 AM
Australia Male
it's not possible to mount the engine too far over, the mount on the drivers side top is hard up against the side of the engine bay and on top of the chassis rail below.
the passenger side mount also has no adjustment, then there is a third mount at the bottom with a huge mount that can only fit one way.

either they are fitting incorrect driveshafts (many different gearboxes and shafts for r56) or they aren't careful enough when fitting them and the cv bearings are popping out of the joint and then destroying it.
Reply With Quote
  #3 (permalink)  
Old Jun 27th, 2014, 02:28 PM
MINI2 Newbie
Offline
 
Join Date: Feb 2013
Posts: 6
Local Time: 05:30 AM
United Kingdom
Well that's a bit baffling.
The mount on the passenger side has an elliptical slot, not a round hole and there is about an inch of possible movement along that slot.
The first drive shaft popped and destroyed the CV joint was the original and the replacement that lasted 5 miles was the correct replacement.
How can you fit the drive shaft incorrectly? Surely it goes into the gearbox end until the O ring pops into place, then the other end goes into the hub and the nut tightened accordingly?
Reply With Quote
  #4 (permalink)  
Old Jun 28th, 2014, 09:56 AM
MINI Technician Sydney
Offline
 
Join Date: Jun 2014
Location: Sydney
Posts: 9
Local Time: 04:30 AM
Australia Male
ahh ok sorry there is some adjustment in the central bolt of the top mounts, I'm surprised it would be out to one side though because the bottom mount has no adjustment.
Check the left side mount where it is bolted to the body with 13mm bolts, sometimes they can come loose and give a lot of movement.
if the joint is put on a weird angle during installation or hyper extended the little needle bearings can fall out of place and cause a world of pain.
Reply With Quote
  #5 (permalink)  
Old Jun 28th, 2014, 01:33 PM
MINI2 Newbie
Offline
 
Join Date: Feb 2013
Posts: 6
Local Time: 05:30 AM
United Kingdom
Thanks for the info.
It looks like it has now been cracked. The bracket is referred to in the manuals as the transmission bearing or suspension bracket (fair enough as it connects to the diff). Having removed the ECU and various other bits, it became obvious the bolt was not in the original location as it was possible to see marks from the original installation, about 1/2" away. Once the nut was loosened, it was possible to crowbar the engine over to the left until everything was back where it used to be. Next step will be to replace the drive shaft and check the slack in the shaft with the wheel turned full lock to the left. With a bit of luck, it shold stay in one piece!
Cheers
Reply With Quote
  #6 (permalink)  
Old Jun 30th, 2014, 11:26 AM
MINI Technician Sydney
Offline
 
Join Date: Jun 2014
Location: Sydney
Posts: 9
Local Time: 04:30 AM
Australia Male
good stuff mate, I've never seen one come off completely like yours had but I've seen a couple where those mount bolts have started to come loose.
no more cv's!
Reply With Quote
Sponsored Links
Advertisement
 
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
MINI R56 engine Timing chain genus9 General Discussion 7 Apr 1st, 2014 10:18 PM

» Recent Threads
$95 @ Willow Springs Streets of Willow November 15-16 2014
Today 01:37 AM
by harvie
Last post by harvie
Today 01:37 AM
0 Replies, 34 Views
Mini Clubman Barn Doors Won't Lock
Yesterday 03:51 AM
Last post by WeeBad
Today 12:48 AM
1 Replies, 193 Views
PAS Fluid Leak HELP!!
Oct 15th, 2014 07:16 PM
Last post by mab01uk
Yesterday 10:59 PM
7 Replies, 594 Views
2001 Mini Cooper - heater not working
Yesterday 08:41 AM
by TreezaB
Last post by mab01uk
Yesterday 10:52 PM
1 Replies, 159 Views
Problem after problem!! Help please!!
Yesterday 08:32 PM
Last post by mab01uk
Yesterday 10:50 PM
1 Replies, 175 Views
Wheel arch - advice please :)
Yesterday 10:08 PM
Last post by mab01uk
Yesterday 10:43 PM
1 Replies, 75 Views
The new MINI voted "Classic of the Future"
Yesterday 07:08 PM
by mab01uk
Last post by Caveman
Yesterday 09:04 PM
1 Replies, 108 Views
Power Steering - not gone but acting up
Yesterday 02:23 PM
Last post by Caveman
Yesterday 09:01 PM
2 Replies, 155 Views
Bonnet gap bigger on one side
Oct 15th, 2014 05:28 PM
Last post by chris0074
Yesterday 08:42 PM
10 Replies, 977 Views
Fuel Consumption in Mini Cooper D 2014
Oct 21st, 2014 08:09 PM
Last post by chris0074
Yesterday 08:41 PM
7 Replies, 295 Views
MINI Customer Support - Spec list via VIN number
Yesterday 02:46 PM
Last post by chris0074
Yesterday 08:31 PM
5 Replies, 183 Views
R56 Aux input volume???????
Oct 20th, 2014 04:00 PM
Last post by peteski2014
Yesterday 07:31 PM
3 Replies, 415 Views
sunroof issue seeking repair suggestions in Toronto
Yesterday 07:19 PM
by wheaten
Last post by wheaten
Yesterday 07:19 PM
0 Replies, 90 Views
Start/Stop engine button illuminated when car is locked
Oct 21st, 2014 08:07 PM
Last post by chris0074
Yesterday 07:09 PM
5 Replies, 250 Views
2001 Cooper wheel nut key
Oct 20th, 2014 05:05 PM
Last post by Caveman
Yesterday 05:29 PM
7 Replies, 504 Views
sunroof issue seeking repair suggestions in Toronto
Yesterday 05:28 PM
by wheaten
Last post by wheaten
Yesterday 05:28 PM
0 Replies, 100 Views
Mini Cooper Wheels.
Yesterday 04:40 PM
by Fraze
Last post by Fraze
Yesterday 04:40 PM
0 Replies, 115 Views
odd front wheels
Yesterday 11:38 AM
by fazned
Last post by fazned
Yesterday 02:56 PM
2 Replies, 144 Views
2015 Roadster S Backup Light(s)?
Oct 11th, 2014 12:19 PM
Last post by karlos9191
Yesterday 12:36 PM
2 Replies, 500 Views
Misfiring R55 JCW engine in 6th gear between 2k-3k RPM with throttle wide open
Oct 21st, 2014 10:30 AM
Last post by ihughes
Yesterday 09:35 AM
7 Replies, 657 Views
» Premium
» Auto Insurance
Wheel & Tire Center

Powered by vBadvanced CMPS v3.2.1

All times are GMT. The time now is 04:30 AM.



Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.3.2