Hi,
>
> I have a few technical questions concerning repairing my Mini. This is my
> first Mini Cooper and I purchased to give as a gift to my wife on her
> birthday. Her birthday has come and gone but she still thinks it's great
> and is looking forward to driving.
> Let me give you some history.
> I have been an automotive enthusiast all my life and am building a 1963
> Impala, however I am somewhat behind when it comes to modern computer
> controlled/variable valve timing vehicles. A few months ago I purchased
> the following NON-RUNNING...
>
> 2009 Mini Cooper
> Clubman
> Non Turbo
> R55
> 130,000 miles
> Automatic
>
> I was told it had "Popped the timing belt". After purchasing and then
> researching I found that coopers have timing chains!
> I purchased the necessary special tools to place the engine into the 90
> degree position. I locked crank using the pin and when I looked at cams
> the exhaust would only allow the locking tool to go in place by turning
> cam backwards (counter clockwise) just a little. The intake cam was way
> off and I had to loosen the cam bolt in both cams to allow me to move
> intake counter clockwise quite a bit to install the locking tool. This
> placed both cams wording straight up! Noticing that #1 lobes were in a
> position that they were not opening any valves I did a leak down test on #1
> which as I expected it failed horribly! Figuring that valves were Most
> likely bent I proceeded to place car into service position and started
> disassembly. When I removed the timing chain as a complete assembly I
> found numerous pieces of chain guide broken and laying around the crank
> sprocket and head. I have ordered numerous parts including a complete
> reconditioned head with the same casting # as mine. I am nearly ready to
> start reassembly but before I do I have the following questions.
>
> 1. Since crank is pined, I assume there is ONLY one possible way to
> do this then is the short block ready?
> 2. When I re-install the head and set both cams with wording
> straight up and lock down with the special tools then the head is ready? I
> can bolt on?
> 3. Is there anything else that MUST be set to have internal timing
> correct between cams and crank?
> 4. If I am correct in questions 1,2,&3 then when I re-install each
> cam sprocket do I have to align the four oil holes on intake and exhaust
> sprockets with holes in cam shafts?
> 5. Is there a special procedure to install the timing chain besides
> using the special tool to set pre-load?
> 6. Since crank sprocket or neither cam sprockets are keyed or tapered
> what keeps them from rotating out of time?
> 7. I noticed a lot of wet residue on tops of each piston and someone
> told me there may be an updated larger piston available. Is there??
> Person said it does not require boring. If not what do you suggest for
> solution or what might have been problem....(head)?
> 8. Also while digging out pieces of chain guide I noticed that the
> oil pump chain seemed loosed. Is this normal?

All Help to any or all of my questions will be greatly appreciated.
I especially need confirmation for questions 1,2,3,&4!!!

 

MINI Timing chain DIY: https://www.northamericanmotoring.co...eplaement.html