How to change Y-pipe
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Topic author - ASV Supporter
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How to change Y-pipe
ok so i managed to remove (i wonder is that's appropriate) all the nuts but the Y-yipes flanges are not budging i have not tried heat yet since i only have my little map gas torches and space i tight (just like doing anything else on these engines) no space for me to get my pry bar in my punches aren't long enough to get all the way down to the flanges from inside the van i'm pretty tempted to take the torch to it and probably will in a hour but i need more idea's here
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
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- I sleep in my van
- Posts: 280
- Joined: Fri Feb 16, 2007 12:37 pm
Re: How to change Y-pipe
PB Blaster..... smells nasty. Works great.
CD_S
1991 W41
1995 Astro - Now gone, I am Astroless.
1997 C1500
1989 9C1 Caprice
1997 Bonneville
1998 Olds 88 LS
http://forums.b-body.org - newly updated!
1991 W41
1995 Astro - Now gone, I am Astroless.
1997 C1500
1989 9C1 Caprice
1997 Bonneville
1998 Olds 88 LS
http://forums.b-body.org - newly updated!
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Topic author - ASV Supporter
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- Joined: Sat Jun 16, 2007 2:31 pm
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Re: How to change Y-pipe
i actually used something called move it on the nuts worked great on everything else i've used it on, and smells really nasty when it burns off never thought of spraying that all over the flange and gasket/o-ring though
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I sleep in my van
- Posts: 280
- Joined: Fri Feb 16, 2007 12:37 pm
Re: How to change Y-pipe
Spray it, let is soak for 5-15 minutes and then a big rubber mallet...
CD_S
1991 W41
1995 Astro - Now gone, I am Astroless.
1997 C1500
1989 9C1 Caprice
1997 Bonneville
1998 Olds 88 LS
http://forums.b-body.org - newly updated!
1991 W41
1995 Astro - Now gone, I am Astroless.
1997 C1500
1989 9C1 Caprice
1997 Bonneville
1998 Olds 88 LS
http://forums.b-body.org - newly updated!
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Topic author - ASV Supporter
- Posts: 1750
- Joined: Sat Jun 16, 2007 2:31 pm
- Location: Toronto, Ontario
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Re: How to change Y-pipe
big rubber mallet is out of the question no space i'll go pound on it some more
edit: you know what i was thinking after i sprayed the flanges " is this stuff flammable?" thankfully it's not so if this fails i can still torch it without out any extra risk of fire
edit: you know what i was thinking after i sprayed the flanges " is this stuff flammable?" thankfully it's not so if this fails i can still torch it without out any extra risk of fire
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
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- ASV Supporter
- Posts: 2667
- Joined: Sat Dec 02, 2006 12:34 pm
- Location: Orlando, FL
Re: How to change Y-pipe
Pull the wheels off and go at it through the fender well.
1996 Safari SLX Hotair balloon transport vehicle
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Topic author - ASV Supporter
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Re: How to change Y-pipe
... that thought did cross my mind while i was fighting with the driver side just now passenger side came off and pipe is moving around fairly easily but driver side flange won't budge if i had an air hammer i'm sure could have had it off. i'll try pulling the wheel after i eat but from what i remember from doing plugs there is a frame rail (i think) blocking most of the manifold
edit:i can see the flange through the wheel well but have to fight past brake lines to touch it still no go running out of time, patience and most importantly light i wonder if i can drive it to my mechanic with the y-pipe dangling from one flange (i swear its welded on this is nut) lol
Edit 2: well that's it i give up for the day it's going to be a really long trip to work tomorrow. Does anyone know how many hours of labour a mechanic charges to change Y-pipe?
edit:i can see the flange through the wheel well but have to fight past brake lines to touch it still no go running out of time, patience and most importantly light i wonder if i can drive it to my mechanic with the y-pipe dangling from one flange (i swear its welded on this is nut) lol
Edit 2: well that's it i give up for the day it's going to be a really long trip to work tomorrow. Does anyone know how many hours of labour a mechanic charges to change Y-pipe?
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I sleep in my van
- Posts: 280
- Joined: Fri Feb 16, 2007 12:37 pm
Re: How to change Y-pipe
You can't make contact with the pipe at all? I wouldn't try to hammer it down and off, just make contact with it to make the rust break loose...
CD_S
1991 W41
1995 Astro - Now gone, I am Astroless.
1997 C1500
1989 9C1 Caprice
1997 Bonneville
1998 Olds 88 LS
http://forums.b-body.org - newly updated!
1991 W41
1995 Astro - Now gone, I am Astroless.
1997 C1500
1989 9C1 Caprice
1997 Bonneville
1998 Olds 88 LS
http://forums.b-body.org - newly updated!
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Topic author - ASV Supporter
- Posts: 1750
- Joined: Sat Jun 16, 2007 2:31 pm
- Location: Toronto, Ontario
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Re: How to change Y-pipe
I can't make good contact with the flange everything i have is either to long or to short so i can't put any force into the hits i soaked it again with the moovit hopefully it'll help by the time i come back from work tomorrow. i even tried my slide hammer with the 2 jaw puller attachment but having to hook it back on the flange after a couple weak hits is irritating.
on a side note i think i'm getting addicted to air tools i know what i'm buying next
http://www.toolfetch.com/Category/Air_T ... D31979.htm
http://www.princessauto.com/air/air-too ... hammer-kit
anyways back on topic anymore hints/tips or pointers are more then welcome
on a side note i think i'm getting addicted to air tools i know what i'm buying next
http://www.toolfetch.com/Category/Air_T ... D31979.htm
http://www.princessauto.com/air/air-too ... hammer-kit
anyways back on topic anymore hints/tips or pointers are more then welcome
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Re: How to change Y-pipe
Check out www.irtools.ca. The princess auto air tools arent worth a shit, been there done that. Ingersol rand is good stuff and not that much more money.
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Topic author - ASV Supporter
- Posts: 1750
- Joined: Sat Jun 16, 2007 2:31 pm
- Location: Toronto, Ontario
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Re: How to change Y-pipe
only tools i've managed to break so far are mastercraft and unitool i have a lot of power fist stuff and none has failed me yet (that might be the key word though)
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Re: How to change Y-pipe
ugh.. i hate doing anything with the exhaust. it's always rusted to crap and stuck together like there's no tomorrow. i generally wuss out and pay an exhaust shop to use the torches to get off whatever needs removing. then, with aftermarket 'oe type' re-install, occasionally you need to bump up pieces just by a hair in size. for the money, it's not worth the time/stress
example: mom's 90 new yorker. a month ago one of the welds started to separate on the resonator. i got some exhaust wrap (with the epoxy in it) along with some muffler cement. was under the car for 30min patching and viola. quiet. lasted 2 weeks and started leaking again further around the weld. gave me time to order in the res at work and brought it with me my next day off. replacing it would have taken me about 3hrs on one of those 31 degree hot humid days. getting the clamps off would be easy, separating the pipes from each other would not. took it to a shop and had the part cut off and re-installed for $50 cash, was done in 30min while i sat and read hot rod magazine in the waiting room with AC
example: mom's 90 new yorker. a month ago one of the welds started to separate on the resonator. i got some exhaust wrap (with the epoxy in it) along with some muffler cement. was under the car for 30min patching and viola. quiet. lasted 2 weeks and started leaking again further around the weld. gave me time to order in the res at work and brought it with me my next day off. replacing it would have taken me about 3hrs on one of those 31 degree hot humid days. getting the clamps off would be easy, separating the pipes from each other would not. took it to a shop and had the part cut off and re-installed for $50 cash, was done in 30min while i sat and read hot rod magazine in the waiting room with AC
Rob
current rides:
04 Mazda 6 V6 5spd
vans owned:
97 Astro AWD (selling by summer .. i think) SOLD
99 Astro LS Sept 08 ASV VOM
94 Astro LT
93 Astro LT
96 Astro LT AWD * parts van*
current rides:
04 Mazda 6 V6 5spd
vans owned:
97 Astro AWD (selling by summer .. i think) SOLD
99 Astro LS Sept 08 ASV VOM
94 Astro LT
93 Astro LT
96 Astro LT AWD * parts van*
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Topic author - ASV Supporter
- Posts: 1750
- Joined: Sat Jun 16, 2007 2:31 pm
- Location: Toronto, Ontario
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Re: How to change Y-pipe
Crash your awnser was corret take it to a shop I ran out of patience and I am now at my mechanic
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Re: How to change Y-pipe
I once tried to replace my cat converter. Saw'd off the old cat with a dremel tool. Replaced that ($70) plus several flexi exhaust pieces ($40) plus several clamps (another $40) plus 3 pkgs of muffler tape ($15).Cobra wrote:Crash your awnser was corret take it to a shop I ran out of patience and I am now at my mechanic
A few months later, I went to a local, family owned, muffler/glass place to have them "clean up" all my pieced together rigging. They REPLACED the cat, got rid of all the rigged pieces and clamps, bent and welded in new exhaust pipe where appropriate, installed new hangers etc. In effect brought it up to OEM (and legal) specs. Total cost at the shop $140. Done in about 45 minutes.
Point of my experience - they did a better job for less money than I needed just to buy the parts.
Lump
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Re: How to change Y-pipe
After a few tries, I generally will not do exhaust work on our vehicles any more.
"I have a torque wrench and I am not afraid to use it."
Jim
1997 GMC Safari RWD, Power Windows and Locks, 7 passenger, a/c, rear heat
http://rileysowner.blogspot.com/
Jim
1997 GMC Safari RWD, Power Windows and Locks, 7 passenger, a/c, rear heat
http://rileysowner.blogspot.com/