All Things Mk5 > Mk5 General Area
Some Help Broke Down :(
Octoparrot:
--- Quote from: dazza on September 21, 2023, 07:49:30 pm ---Valves are out what should I be looking for here?
--- End quote ---
Those my friend are pistons.
dazza:
--- Quote from: Octoparrot on September 22, 2023, 09:32:28 am ---Those my friend are pistons.
--- End quote ---
I'm so tired :indifferent:
dazza:
--- Quote from: GVK on September 22, 2023, 12:06:08 am ---Do the rings spin freely by hand? If no they could have been squashed when the valve/piston contact occured.
--- End quote ---
Yes they all spin easily by hand.
--- Quote from: GVK on September 22, 2023, 12:06:08 am ---Any damage to the ring lands (the gaps and part of the piston around the rings)
--- End quote ---
Not that i can see but going to clean them up tomorrow.
--- Quote from: GVK on September 22, 2023, 12:06:08 am ---Now is the time to fit new rings and hone the cylinders.Especially if had high oil consumption.
--- End quote ---
Regardind the honeing is there a resonably priced tool i can buy to diy this?
This has the highest reviews of what amazon has to offer
https://www.amazon.co.uk/BGS-1265-Honing-Tool-flexible/dp/B07XZS9Y1D/ref=sr_1_8?crid=6PB0G9DVIE7L&keywords=honing%2Btool&qid=1695419927&s=diy&sprefix=honing%2Btool%2Cdiy%2C93&sr=1-8&th=1
dazza:
--- Quote from: LC5F on September 20, 2023, 03:45:35 am ---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.
--- End quote ---
Thanks for the encouragement.
Regarding the valve guides these are easy to remove/replace.
GVK:
I've never used that type myself, the garage ones I've used are the 3 x stone type. Can get them for under £20 off eBay I've seen.
Both types will do the job.
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