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VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old December 17th, 2018, 09:03   #16
indysoto
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I burned mine(the second time), wrapped in towel up to ports, sitting in shallow pan of water(had to replace water 3 times!)..ALOT of potential energy there and smoke. Very dangerous, Quite impressive. Enjoy.
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Old December 17th, 2018, 10:03   #17
flee
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Quote:
Originally Posted by montanajetta View Post
Awesome. Going to try and clean it today. I’m not sure anyone in town will touch it, so I have been reading up on the cleaning methods. What about the passages is the block? Should I clean those at this time?
While it is relatively easy to remove and replace the intake manifold, cleaning the
ports is more involved. You will need to remove the valve cover and rotate the
engine by hand to make sure the valves for the cylinder you are cleaning are closed.
You will need to have a shop-vac and/or compressed air to get the debris out after
you clear the port with some small scrapers you make or have lying around.
A small mirror will help you see what you are doing.

I just used a few gallons of RUG in a 5 gallon bucket to soften up the sludge in my IM.
That got most of it and then I followed up with Simple Green and warm water.
Hoppe's No. 9 took care of any stubborn spots that were left over.
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Last edited by flee; December 17th, 2018 at 10:43.
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Old December 17th, 2018, 10:54   #18
montanajetta
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Location: Southwest Montana
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Quote:
Originally Posted by indysoto View Post
I burned mine(the second time), wrapped in towel up to ports, sitting in shallow pan of water(had to replace water 3 times!)..ALOT of potential energy there and smoke. Very dangerous, Quite impressive. Enjoy.
How many miles between the first and second cleaning? How bad was it the second time? Thinking about a tune with a dynamic edge to reduce cleaning.
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Old December 17th, 2018, 10:58   #19
montanajetta
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Location: Southwest Montana
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Quote:
Originally Posted by flee View Post
While it is relatively easy to remove and replace the intake manifold, cleaning the
ports is more involved. You will need to remove the valve cover and rotate the
engine by hand to make sure the valves for the cylinder you are cleaning are closed.
You will need to have a shop-vac and/or compressed air to get the debris out after
you clear the port with some small scrapers you make or have lying around.
A small mirror will help you see what you are doing.

I just used a few gallons of RUG in a 5 gallon bucket to soften up the sludge in my IM.
That got most of it and then I followed up with Simple Green and warm water.
Hoppe's No. 9 took care of any stubborn spots that were left over.
I will check out the passages and see how bad they are. My local carquest is cleaning the manifold now, hopefully it comes out clean, if not I will soak it. Would of never thought of hoppes 9. Thanks!
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Old December 23rd, 2018, 08:17   #20
montanajetta
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Finally got everything back together and running. Previous owner ran home brew bio-diesel and it made cleaning the intake a long process. Intake passages seemed pretty good, so I left them alone. Car seems to pull way better above 3k. Logs still don't seem perfect (Attached below), but way better. Thanks everyone for the help!!!

https://www.dropbox.com/s/zldaou4mt2...23-18.jpg?dl=0

https://www.dropbox.com/s/4zf75zlwqw...23-18.jpg?dl=0
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