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jberger
Samba Member
Joined: November 17, 2003
Posts: 2476
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 Posted: Wed Dec 18, 2019 9:36 am Post subject: PSA 1.8T 5 valve head issue |
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Public service announcement....
Apparently it is quite easy to install the exhaust valve springs in the 1.8T heads off center. I found this out the hard way after a head gasket job on a 30V V6 (same head architecture as the 1.8T). The machine shop I had go through the heads made a tiny mistake.. which destroyed cylinder #1. When the spring is tilted on the casting boss it side loads the valve stem, causing it to shear off right below the keeper. Took 20 minutes of running for mine. I'd really hate for anyone else to have to go through this experience. My story ended well enough after parting out another Passat for a core head, piston and rod.. but a HUGE amount of work. Check the springs on your 1.8T swap prior to install after a rebuild!
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Zeitgeist 13
Samba Member
Joined: March 05, 2009
Posts: 12115
Location: Port Manteau
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| Posted: Wed Dec 18, 2019 9:46 am Post subject: Re: PSA 1.8T 5 valve head issue |
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Yikes! That seems like a devilishly easy mistake to make upon reassembly. Thanks for the HU
_________________
Casey--
'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik? |
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danfromsyr
Samba Member
Joined: March 01, 2004
Posts: 15144
Location: Syracuse, NY
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| Posted: Wed Dec 18, 2019 10:30 am Post subject: Re: PSA 1.8T 5 valve head issue |
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| Oy VEY.. |
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SyncroBouree
Samba Member
Joined: August 25, 2017
Posts: 26
Location: Alongside Monterey Bay
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| Posted: Wed Dec 18, 2019 10:53 am Post subject: Re: PSA 1.8T 5 valve head issue |
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Who-wee, sorry for your misfortune. Thank you for taking the time to share your experience and the pointer to the service issue reference.
_________________
--Liam
1990 Vanagon GL Syncro Westy VW1.8T Triple-Knobber
1975 911S Widened Turbo/RSR Hybrid
1979 Harley Lowrider -- Donated to a good home
1969 Ford Bronco Half-Cab 351W, Toploader, Dana 44 FE, Detroit Locker, Duffy’s Suspension – wish I still had it
1962 GMC 3/4T Fleetside, V6<-Chevy 409 w/factory headers, Camper/Tow Rig – ditto |
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jberger
Samba Member
Joined: November 17, 2003
Posts: 2476
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| Posted: Wed Dec 18, 2019 11:11 am Post subject: Re: PSA 1.8T 5 valve head issue |
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Yeah... one of the toughest bullets I've ever had to swallow. Gutted. My youngest son was working with me and heard the noise.. he was like "that didn't sound good" Probably wouldn't be too bad on a 1.8T.. the V6 is not fun to work on..LOL. It became a mental block for me, happened Feb 1st and just got it back together, again.
J |
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Vanagon Nut
Samba Member
Joined: February 08, 2008
Posts: 10379
Location: Sunshine Coast B.C.
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| Posted: Thu Dec 19, 2019 12:36 pm Post subject: Re: PSA 1.8T 5 valve head issue |
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Sorry to hear of that "collision" jberger.
Great info, thanks; excellent example of the internet being used for "good" !
Neil.
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1981 Westy DIY 15º ABA
1988 West DIY 50º ABA
VE7TBN |
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