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Aircooled Mechanical Tech A Q & A Forum devoted to Aircooled Mechanical Issues. Got a problem? Then ask in here. Please, no 'For Sale' or 'Want To Buy' ads, plugs for your 'business', links to 'for sale' ads or Ebay links to your (or your mate's) auction (use the VZi 'Classifieds' section) - this also includes thinly veiled 'What's My Car Worth?' threads and "Who Can Sell Me A . . ." posts.

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Old 18-04-2019, 08:10 AM   #11
48pop
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I had a similar noisy knocking......Sounded like pully....Turned out it was a loose head.... ! Quick torque up and all good

Whip off the covers, worth a check !
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Old 18-04-2019, 08:51 AM   #12
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Thanks for the tips dudes, I'll get the covers off and check my torque settings. If it has gone down the inlet manifold (and I really hope it hasn't!) what are the next steps... how do I get the rogue agent out!!!

Cheers
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Old 18-04-2019, 02:01 PM   #13
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After I dropped a M6 washer into one of my engines a quick dab on the starter key was all it took. Bang. It was quite easy to track it down to a velocity stack, I hadn't put them back on and I was a washer short. It was M6, valves were 40mm and it got past them. Hence the bang.

On the stock TP set up, dropped washers slither down between the manifold and tin where they wait patiently for somebody to loosen the manifold so they can jump down a port and stick in the valve. Usually M8 and smaller valves they don't make it right through. My monies on that.
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Old 18-04-2019, 02:43 PM   #14
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Thanks for the heads up man. The more I think on it the more likely this sounds. It sounds like it may have dropped down one of the left side ports! Can I retrieve this with a magnetic on a scope or some other technique (drain the oil?) Or is this an engine out thing!
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Old 18-04-2019, 05:01 PM   #15
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I have a camera thing If your local to sheffield.
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Old 18-04-2019, 05:02 PM   #16
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Did you take the belt off completely and start it to be sure it's not fan/geni related? Not just swap the belt. Sorry if that's spelling out the obvious.
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Old 18-04-2019, 08:08 PM   #17
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Quote:
Originally Posted by Big Al View Post
Did you take the belt off completely and start it to be sure it's not fan/geni related? Not just swap the belt. Sorry if that's spelling out the obvious.
Hey Big Al,

Good to hear from you, thanks for the offer but i'm down in the west country. I've not fired up the beetle with the belt off because I was worried it would be bad for the bug. Is it ok to fire up for a short while with the belt off? If so i'll defo try that before freaking out about a nut/washer that may/may not be lurking down the ports. Cheers mate

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Old 20-04-2019, 12:27 PM   #18
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Have bought a flexible magnetic grab tool in anticipation of engine fishing? Anybody had much success with this? If so, what holes did you prod down (ooh-er).
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Old 20-04-2019, 06:19 PM   #19
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J
Quote:
Originally Posted by thebiglebowski0 View Post
Have bought a flexible magnetic grab tool in anticipation of engine fishing? Anybody had much success with this? If so, what holes did you prod down (ooh-er).
If there's something stuck in a valve it will have to come out the way it went in so off with the inlet manifold.

If there's something in the cylinder, spark plug hole if it's big enough.

I realise it may seem OTT, but I'd take the engine out and start stripping it down. Once you get the head off you'll know what happened and you can judge the damage, if any, and make repairs. Otherwise you are just magnet fishing and crossing your fingers.
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Old 22-04-2019, 03:25 PM   #20
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Thanks for the advice dude
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