05 jetta tdi timing belt

Hey all. I've been working on changing my timing belt. I have a question what's the bottom gear that has the serpentine belt gear bolted on to it. I have to take it to someone as mine has 2 allen key head bolts stripped. So when I call to see if someone can get them off and replace them with hex heads I know what gear I'm talking about.

You can use an extractor for that, get one at HF and save some money. Just use the one that fits tight and tap it on with a hammer.
It's the crank pulley though.

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You can pound on a 12mm, 12point socket over the bolt heads and that usually will grip it well enough to loosen it.
See this thread:
http://forums.tdiclub.com/showthread.php?t=500218

I've read about pounding it with the allen key socket first to loosen it should I do that first.

I always use a short brass punch and hammer to give those bolts a wake-up thump. In fact, I whack them three or four times pretty hard. I've never rounded one out or had to extract one.

AndyBees said:

I always use a short brass punch and hammer to give those bolts a wake-up thump. In fact, I whack them three or four times pretty hard. I've never rounded one out or had to extract one.

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I do the same after stripping 2 out on my first belt job. I’ve not had one strip out since.