Monday 27 June 2011

The gearbox is unveiled

So today i decided to stop pussying about. I got in about the gearbox and started to pull it out in preparation for the release bearing change. This it seems was the high point of the day...

Whilst about under there i managed to unearth an ID plate on the box, something previously unseen by me. The box has now been formally identified: A Getrag 290.
A bit of online research seems to show that its a bit better than the suspected T5. Maybe something to do with the Aussie influence?

Anyway, needs to come out regardless, as the release bearing is toast. First up, taking the prop out. 4 bolts hold the rear UJ on, and this seemed the simplest solution to removal....

...and the bearings on the prop taped up to keep them from running away...


With this loose the shaft pulled out from the box with ease, and the dribble of oil inside caught in mums finest basin:


...leaving me with this:


Big meaty shaft! With this out i could focus on getting the box away from the block with no interference. All the bellhousing bolts loosened, then the gearbox mount removed.  Not the simplest of jobs on this Camaro for some reason, as there is a massive 10mm thick plate to remove too, which looks far from stock:


As far as i can see its only purpose is to support the propshaft brace. Are these normal fit on Gen 3's?

So thats where play was left today. The box is ready to pull out and sitting on an axle stand. May seem like a weak effort but i also rewired the Mercs head unit and found aftermarket rear speakers are installed in the back (bonus), serviced the new ST185 calipers for the MR2 (handy), and finished this:

...re-tapped teh alt bracket mount on the waterpump housing. This will need a new gasket but is otherwise good to go!

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