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1975 Kombi
Samba Member
Joined: August 12, 2007
Posts: 2452
Location: Acton, Ontario, Canada
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 Posted: Tue Apr 15, 2014 5:30 am Post subject: 1.9 ALH cleaning of the EGR system question. |
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What parts would you clean and what would you use?? I was thinking of cleaning the majority of carbon out with a popsicle stick and then soaking the intake, pipes and cooler in diesel for a couple of days to clean the inside of the intake and use a tooth brush on the inside of the EGR valve to keep the outside of the valve safe. Also would you bother with the intake ports on the head while the head is still on the engine and in the car? I don't want to get any carbon down in the cylinder area. I have bought a spare intake, EGR valve, pipes and cooler off of a junkyard ALH to clean to put on the car.
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Brett
“He’s decieving you boy! Reach into his pocket and take what he’s got.” Mr. Crabbs.
75 Westy auto
03 Jetta TDI
71 SB
74 Westy
Licensed pilot (single engine land VFR)
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Rust In Pieces: 72 Bug, 73 Bug, 81 Rabbit LS D 2D, 83 Rabbit D 2D, 84 Jetta TD GL, 85 Jetta D, 68 Z28 RS 302, 91 Passat 16v |
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73sports
Samba Member
Joined: September 26, 2004
Posts: 2107
Location: Warrington, PA
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| Posted: Tue Apr 15, 2014 6:15 am Post subject: |
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The manifold is usually what cokes up the most. The tight bends inside it make it hard to clean out. The most thorough way I have seen to clean one out is to burn out the crap in it. Get an torch, compressed air, and a nice non flamable place to work. The egr valve can usually be scraped clean manually.
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I will never lie, but sometimes the truth changes.
Central Jersey VW Society |
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1975 Kombi
Samba Member
Joined: August 12, 2007
Posts: 2452
Location: Acton, Ontario, Canada
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| Posted: Tue Apr 15, 2014 8:09 am Post subject: |
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I might try to first clean the intake in a professional power hot water parts washer and then in diesel. I have never tried the torch option but I have an asphalt stain remover torch on hand to clean spots off the driveway.
_________________
Brett
“He’s decieving you boy! Reach into his pocket and take what he’s got.” Mr. Crabbs.
75 Westy auto
03 Jetta TDI
71 SB
74 Westy
Licensed pilot (single engine land VFR)
--
Rust In Pieces: 72 Bug, 73 Bug, 81 Rabbit LS D 2D, 83 Rabbit D 2D, 84 Jetta TD GL, 85 Jetta D, 68 Z28 RS 302, 91 Passat 16v |
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Schwimmwagen
Samba Member
Joined: March 24, 2014
Posts: 13
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| Posted: Wed Apr 23, 2014 10:50 pm Post subject: |
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| Soak overnight, wire brush and or coat hanger for scraping bends. |
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