Engine Specific Info and Questions > mTDI Mechanical TDI Conversions
M-TDI ALH into a MK2 swap
fatmobile:
Here's just the idler pully:
https://www.idparts.com/serpentine-belt-relay-rolleridler-pulley-a4-alh-p-452.html
About half the price.
autohaus and rock auto have them for $25 for contitech or INA
Still think the whole tensioner needs replaced?
These TDIs are sure more expensive to maintain than the IDIs.
libbydiesel:
That's not the tensioner pulley. If you look at the prior posted image of the belt system that is the idler that is below and a little to the right of the alternator pulley. That isn't needed if you plan on running just the alt with a shorter belt.
libbydiesel:
If money is tight and you can get a used tensioner and the pulley spins well then it is worth considering. If it fails and shreds the belt like mine did, it isn't all that big of a deal. The water pump is driven by the timing belt so if the serp belt fails you can continue running without endangering the engine.
fatmobile:
Oohh, thanks.
I would have bought a useless idler.
The shock on the tensioner I got,
from the guy I got the engine from
feels weak too.
I'll see if he has another one that's in better shape.
If not I might need a whole new tensioner.
fatmobile:
I got a new tensioner and the belt I used for the AC/PS delete was
Gates belt part number K060295.
I installed the tensioner after the engine was in.
I had to pull the pin and release it before install or the pin would hit the frame.
The VNT-15 didn't work with the stock MK2 rear mount so I made one that dodged under it.
Plenty of room for exhaust from the turbo.
But the stock TDI downpipe runs too far to the p-side.
A little off center and angled slightly wrong. I'll have to make my own.
It's 2" pipe coming from the turbo.
MTDIstockexhaustoffcenter_2 by vwfatmobile, on Flickr
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