All Things Mk5 > Mk5 General Area
Some Help Broke Down :(
dazza:
--- Quote from: rich83 on September 17, 2023, 08:21:29 pm ---Blimey…. I go away for 2 minutes and we’ve got open heart surgery going on…. Hope you are well dazza and hope you get the engine built back up without too much bother.
--- End quote ---
Thanks Rich, all good here. I'm putting a few hours in each night, its nice to be working on the old girl again. What i really need is a new car for the ball and chain.
Hope all is well with you and the family.
dazza:
I tested the piston seals with some diesel. Filled to the bottom of the caliper in the pics.
Within 1 hour 45 mins all had dropped 3 were nearly empty.
Maybe this is why I needed to top up the oil often.
LC5F:
I managed to do this same thing with mine - after swapping my intercooler I managed to nick the edge of my drive belt on the AC union and the belt thread unravelled itself and posted itself into the timing belt.
Despite the financial impact, it was possibly the best thing I have done to my Mk5 - head rebuild & injector clean seemed to restore power. new valve guides & stem seal + DIY Turbo rebuild also helped - now my engine barely uses oil.
As its off, get a vacuum pump rebuild kit from ebay.
If I had to do this again, the only thing I would change is to remove the misery with both timing belt and chain - I managed to get both a tooth out in opposite directions - correctly installed, my BWA belt seems to always be 2/3 of a tooth out comparing cam & crank timing marks.
dazza:
Pistons are out what should I be looking for here?
GVK:
Do the rings spin freely by hand? If no they could have been squashed when the valve/piston contact occured.
Any damage to the ring lands (the gaps and part of the piston around the rings)
Now is the time to fit new rings and hone the cylinders.Especially if had high oil consumption.
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