VW MKIII-A3/B4 TDIs This is a discussion about MKIII-A3/MkIII Jetta/Golf (<99.5) and B4 Passats (96,97) TDI's. Non TDI related postings will be moved or removed. |
December 3rd, 2016, 15:07
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#1
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Newbie
Join Date: Dec 2016
Location: Denver
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Turbo Intake pipe -- best replacement
During a recent intake manifold gasket change, the intake tube broke at the mounting bracket. I have seen multiple discussions about K&N intake kits and others that suggest that the stock air cleaner and intake at the turbo are more than sufficient.
I appear not to be able to get the stock part from anywhere currently so I am looking for suggestions for what to put in it's place.
I have a 98 Jetta TDI but from pictures and drawings I have seen it looks like I have the 97 setup under the hood.
I have tried to attach pictures of the piece that is broken as well as a representation of how it looks under the hood.
In this last image you can see the air cleaner on the left and the intake tube connected and going down the back of the engine to the turbo intake.
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December 3rd, 2016, 16:32
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#2
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Veteran Member
Join Date: Oct 2012
Location: waupaca, WI
Fuel Economy: 40-42 with a lead foot.
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ill wager 7/8ths of them that were ever made are broken at the mounting tabs... if theres anything left, you can JB weld it together but it will break again eventually.
the cheapest fix is to just cut the mounting ears off and put a rad hose or silicone coupler between the plastic turbo inlet pipe and the turbo with hose clamps on each end.
mine has been that way for 20K+ with no issues. it has no pressure on that side of the turbo so it wont blow apart at the worst possible moment like a cobbled together boost hose will.
__________________
2003 Jetta TDI - 11mm IP, stage 1ish DIY tune.
1996 Passat TDI - "Red Death" RETIRED but still owned. Had a Malone stg 1 tune, 11mm pump, R520, GT15/17 hybrid and more
1997 Passat TDI wagon - Im not really sure why i bought this... anyone want a running donor car??? body is rough.
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December 4th, 2016, 04:21
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#3
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Veteran Member
Join Date: Apr 2005
Location: Stafford,NY (WNY)
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There's a used one in the parts section for sale pretty cheap,but it does have a crack on 1 tab,but it is complete and looks 100% better than the one in pic above. I'd say if you get that one,put JBWeld on both tabs before remounting and you should be good for many miles. I also bumped the for sale thread for you....
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December 5th, 2016, 11:17
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#4
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Join Date: Jul 2007
Location: Salt Lake City, UT
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The first one on my car lasted 190k miles. I just bit the bullet and bought a new one from Auburn.
__________________

15 Jetta TDI 37k // 11 Ford Fusion
Retired: 13 Passat, Buyback // 01 Jetta TDI 177k // 98 Jetta TDI 291k // 00 Jetta TDI 240k // 91 300D 2.5T // 90 Jetta TD
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December 5th, 2016, 13:17
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#5
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Veteran Member
Join Date: Oct 2005
Location: wausau, wi
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I'll second what KetchupShirt88 said and add that in a pinch a rubber coupling plumbing fitting from a hardware store will work. (They even usually come with hose clamps too as a bonus.) They last maybe a year or two before the rubber becomes hard and no longer seals well.
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December 5th, 2016, 19:20
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#6
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Veteran Member
Join Date: Aug 2009
Location: Lompoc, CA
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I used a piece of radiator hose. Prolly been on there 100k.
__________________
Saying no to gas for 25 years:
Current: 02 Jetta, Auto; 98 Jetta, 5 Spd; 98 Dodge, 5 Spd, SB, 4x4; 84 Grand Wagoneer with Nissan SD33T, NV4500, Dana 300, Reverse Cut Dana 44, Dana 60
The Black Sheep (Only gasser): 85 CJ, 4.2 w/4.0 Head and Mopar FI.
Past: 85 Mitsubishi PU, 4D55T; 81 Rabbit, 1.6; 80 Dasher, 1.5; 79 Rabbit, 1.5
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December 6th, 2016, 09:56
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#7
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Veteran Member
Join Date: Aug 2002
Location: Iowa
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Sometimes you can get the pipe to stay put better by replacing the o-ring in the connection with the turbo.
Steve
__________________
97 Jetta TDI, 90 B3V TDI, 92 MB 300SD
You didn't poison the coffee, did you? Not anymore than I usually do.
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December 9th, 2016, 16:10
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#8
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Veteran Member
Join Date: Aug 2011
Location: NJ 08002
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Doesn't that pipe get installed about 20° off, then rotated to lock? I think the tabs and bolts are just an extra measure of security, along with the tab that gets pinched at the intake.
To the guys using Ferncos... are you cutting the lower end off the pipe?
-Todd
__________________
'96 B4V: Kerma tune and PP520s
'97 B4: Stock
Rabbit build
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December 9th, 2016, 17:15
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#9
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Veteran Member
Join Date: Aug 2002
Location: Iowa
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Quote:
Originally Posted by ToddA1
Doesn't that pipe get installed about 20° off, then rotated to lock? I think the tabs and bolts are just an extra measure of security, along with the tab that gets pinched at the intake.
To the guys using Ferncos... are you cutting the lower end off the pipe?
-Todd
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Todd, just slides on the inlet, only resistance is the o-ring.
Steve
__________________
97 Jetta TDI, 90 B3V TDI, 92 MB 300SD
You didn't poison the coffee, did you? Not anymore than I usually do.
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December 10th, 2016, 07:21
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#10
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Veteran Member
Join Date: Aug 2011
Location: NJ 08002
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Hmmmm.... wonder what I'm confusing this with....
-Todd
__________________
'96 B4V: Kerma tune and PP520s
'97 B4: Stock
Rabbit build
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December 10th, 2016, 08:38
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#11
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Veteran Member
Join Date: Oct 2005
Location: wausau, wi
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Quote:
Originally Posted by ToddA1
Doesn't that pipe get installed about 20° off, then rotated to lock? I think the tabs and bolts are just an extra measure of security, along with the tab that gets pinched at the intake.
To the guys using Ferncos... are you cutting the lower end off the pipe?
-Todd
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I cut what is left of the broken tabs off.
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December 10th, 2016, 18:08
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#12
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Veteran Member
Join Date: Oct 2013
Location: Portland, Oregon
Fuel Economy: Freeway best 50.05
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Turbo Intake pipe -- best replacement
I used a bandsaw, cut just above and then added a piece of hose and clamps. Has Worked great for 2 years now.
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