V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Vacuum line replacement

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Old Mar 30, 2009 | 06:13 PM
  #1  
V6F1R3BRD's Avatar
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From: N. Virginia
Car: 1988 Firebird - 1998 Z28
Engine: 2.8 - LS1
Vacuum line replacement

Does anyone have a list of all the major vacuum lines including size, length or a place to buy a full kit?
(for the 2.8)

When i got my car it had been sitting for 4 years.. runs good, but OBVIOUSLY needs new hoses.
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Old Mar 31, 2009 | 07:48 PM
  #2  
Maverick H1L's Avatar
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From: LeRoy, NY
Car: 2003 Hyundai Tiburon GT
Engine: 2.7L V6
Transmission: 6-speed
Axle/Gears: 4.41
Re: Vacuum line replacement

Take a small piece of each to the auto parts store with you and they'll match it. Hoses come in 6' lengths, so you'll probably want at least 2 of everything. However, you will need fuel hose for the section connecting the fuel tank vent pipe to the evap can and the valve between. A 1 foot section will work there.
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Old Mar 31, 2009 | 11:27 PM
  #3  
V6F1R3BRD's Avatar
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From: N. Virginia
Car: 1988 Firebird - 1998 Z28
Engine: 2.8 - LS1
Re: Vacuum line replacement

i don't really want to take stuff apart like that, but that seems like my best option so thanks for the advice.
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Old Apr 1, 2009 | 10:42 AM
  #4  
Maverick H1L's Avatar
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From: LeRoy, NY
Car: 2003 Hyundai Tiburon GT
Engine: 2.7L V6
Transmission: 6-speed
Axle/Gears: 4.41
Re: Vacuum line replacement

Well, either way, it's coming apart anyways, right? You have a diagram under the hood (the emissions sticker/s) to tell you where everything connects. You don't have to take but a half inch of each hose with you to the store so they can match it (or you can take the connecting boot off of the EGR valve or something and a small piece of the hose connected to the vac tee in the back of the upper plenum so that everything can connect up again).

Also, when you do this, be very careful of the solid nylon lines, and get an extra package of the small hose to be on the safe side in case any break so you can patch them up again.

If I could tell you the sizes off the top of my head, I would make it easier for you, but since I replaced my hoses 6 years ago, I've kind of forgotten what sizes they are.
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Old Apr 1, 2009 | 01:17 PM
  #5  
V6F1R3BRD's Avatar
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From: N. Virginia
Car: 1988 Firebird - 1998 Z28
Engine: 2.8 - LS1
Re: Vacuum line replacement

ya i know i have to take it apart but im afraid of screwin somthin up. and ya those nylon ones... found out the hard way how easy they break.. lol super glue fixed that real well. just have to check it all the time
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