Clearing out a VW intake manifold heat riser tube
We clean out a clogged up intake manifold Heat Riser.
air intak manifold few tips
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Classic VW Beetle Bugs How to Restore Tip ur Engine Manifold
http://www.ClassicVWbugs.com In this short tip I show you how to restore your manifold in your buggy engine to function properly. Chris
How to Fix Plugged Heat Risers on a VW Beetle
I use a carbonizing flame (excess acetylene) to heat the pipes and the carbon deposits, then I shut of the acetylene and blow straight oxygen onto the heated carbon, thus burning it off. This particular manifold wasn't that badly gummed up, but if it's completely blocked then you're going to produce quite a bit of smoke. Do NOT attempt this if you in any way feel uncomfortable using an oxyacetylene torch as it can be very dangerous!