Engine Drivetrain 1st Gen Cooper S Most liked posts in thread: 03 S falls on its face

Or.........around $150 for parts Ask me how :biggrin5:

 

Look closesly at your crank pulley...
My mechanic showed me if you take a prybar and can wiggle the pully eassily when the car is jacked up/on a lift, the oem one is on borrowed time....you can look at the edges of the rubber i guess, but i guessing the rubber changes over time from heat/etc and lets go...
Kinda waiting till warm weather and getting the $$ to do mine...trying to decide if the extra $$ on the ati is woth it compared to the gel/liquid one (the ati is actually mercury filled, but safe if i remember right).(edit-ati i have been told is not mercury filled by a member, but also an elastomer of some type)

 

The ATI Super Damper is elastomer based, no fluid. The fluid filled vibration damper from PRW uses silicone gel.

 

Cool...thought i saw a thinggy on speed about the "damper in a damper" desgin...must have been something else. Thanks for the correction!!

 

LOL.....wrong once again Z.

 

My car did this when the MAF sensor was bad, but it would throw a code and would go into limp mode until I turn the car off and back on again. I think the codes would clear when I did that. It was the post-supercharger MAF sensor which you can see from the front of the car, not the pre-boost sensor which is on top of the thermostat.

 

FYI~ Your car does not have a MAF sensor. You have a MAP and T-MAP sensors.

None of the first Gens had MAF sensors.

 

Dave: (Off topic) My 06 R52 is RMW dyno tuned. I still get yo-yo at medium throttle after slowing from hwy speed. Otherwise the car is relatively smooth up and down the RPM range at all throttle settings.

I have the DT Bypass value, but even Jan seems to discourage its use. So, I haven't taken the risk to install it. I have read old opinions of lower mileage and on-off driveability issues.

So, what in your opinion is the latest known effect of the DT unit compared to the stock unit? Pros and cons? My car dynoed at 200 WHP on just external mods and catback exhaust while Jan was tuning it. So, it seems to have good overall power for no engine mods. I don't track - just club runs and regular driving.

--Russ

 

I was down at Helix yesterday and Mike had an R53 in the shop with the Yo Yo issue and running rough.

First he got ride of the red MSD and put in an OEM one and the idle smothered right out. The car already had new OEM plugs and wires.

The car also had the DT bypass valve but is was working perfectly. The issue turned out to be a bad (high milage) throttle body. Replaced with an OEM one and she runs nice an smooth now.

 

So your car has not been running well for 3 years?