Question about Cars & Trucks
Did you overheat it?
noise is a very bad thing for all machines.
can be just a loose heat shield to , soon end of engine life. boom.
assume the worse and accept the best.
I always solve noise first.
that takes hands on, nobody can guess, (you will see lots)
there are some really simple tests to find engine noise.
its in the first chapters of most FSM printed.
due to importance.
tools, hose to ear?
ah heck a whole is of ways and means. f
start looking at the engine, when cool. try to flex parts to see of they are loose , fan belts missing or falling off, Green Antifreeze sprayed all over. oil leaks? oil pan empty, when cold radiator empty. (remove cold cap and look , in Actual RAD cap filler neck hole.
Posted on Oct 16, 2013
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Posted on Jan 02, 2017
The only sensible way forward is to get a list of fault codes from the onboard diagnostic system and take it from there. You could either go to a VW dealer, or if you are technically minded you could buy a £15 interface cable, download some free "VAG diagnostic software" and run it on a portable computer.
There are lots of possible reasons for the problem and guessing will not really help. If these suggestions turn out to be sound, please give my reply a "Fixya!"rating, If they do not, please hold off rating and add a comment with more details so I can try to help you further. Cheers, D
Posted on Dec 02, 2008
This could be as simple as the EGR (exhaust gas recycling) valve stuck open. This valve is supposed to open at a specific time, recycling the exhaust gasses back through the engine. If they stick open, the engine is not getting the correct air mixture to burn the fuel efficently, causing black smoke and lack of power. Have the garage remove and blank off this valve. If it runs ok, then a new EGR is needed.
Posted on Jan 24, 2009
Sounds like you've blown her up. An engine starts knocking when the bearings are worn to the point of being loose. I wouldn't keep starting her up. If I'm right(and the odds are on me) you'll sling a rod through the block or the oil pan.
If you can get the oil pan off do so(after uyou drain it of course) and grab the rods one at a time and find out which one(or more) that's giving you the problem.It(or they) will be loose around the crank shaft.
Good luck,but for Heavens sake DON'T start it again until you check those rods.
Posted on Apr 03, 2009
Have your head gasket checked you may have a small tear or hole in it allowing coolant/water into your engine internals. This smoke and power loss probably also happens at highway speeds yet is not noticed due to cars momentum
Posted on Jul 09, 2009
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