Help with exhaust y pipe piece - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Full Size Jeep Forum > Help with exhaust y pipe piece

Introducing MONSTALINER™ UV Permanent DIY Roll On Bed LineFS: 2007-2013 Jeep Wrangler "HALO" Angel Eye KitFS: Wranger BRIGHT License Plate LED! Just $3! Great value

Reply
Unread 02-10-2013, 01:28 PM   #1
Little Green
Registered User
1991 FSJ Wagoneer 
 
Join Date: Nov 2007
Location: Havertown, PA
Posts: 926
Help with exhaust y pipe piece

So I am in the process of replacing the y pipe for the exhaust. Of course 3 of the 4 bolts break off but I am trying to figure out what the Attached piece is. It looks like it has a butterfly in it but the spring is shot and it clearly does not work. Any ideas? Is it needed?

image-586627858.jpg


Thanks

__________________
91 Grand Wagoneer(Winter vehicle/project)
Prior 08 Wrangler JK Lifted-Miss her
Little Green is offline   Reply With Quote
Unread 02-10-2013, 04:30 PM   #2
RockRollin
"Positive.....I think"
 
RockRollin's Avatar
1990 FSJ Wagoneer 
 
Join Date: Apr 2012
Location: Grand Haven Mi, USA
Posts: 1,001
I removed the butterfly and welded the holes. Its for warmup, butterfly closed when cold causing back pressure.
__________________
"I like fun" Edd
Clawed: 90GW, TFI, Streetfire, 3"lift all spring, working RKE,
Edel2131, Holly 1850, mild cam (105º) 13mpg for now.
"Its a Jeep thing, and I still don't understand"
05 Renegade OME 927, 947, top plate, JBA 4.5s ,ST/MAXX 245/75/16
RockRollin is offline   Reply With Quote
Unread 02-10-2013, 05:48 PM   #3
Little Green
Registered User
1991 FSJ Wagoneer 
 
Join Date: Nov 2007
Location: Havertown, PA
Posts: 926
Welded which holes? Thanks

Caesar
__________________
91 Grand Wagoneer(Winter vehicle/project)
Prior 08 Wrangler JK Lifted-Miss her
Little Green is offline   Reply With Quote
Unread 02-10-2013, 06:21 PM   #4
RockRollin
"Positive.....I think"
 
RockRollin's Avatar
1990 FSJ Wagoneer 
 
Join Date: Apr 2012
Location: Grand Haven Mi, USA
Posts: 1,001
The butterfly shaft holes. You could tap the holes a thread a bolt if no welder available, but welding would be best option.
__________________
"I like fun" Edd
Clawed: 90GW, TFI, Streetfire, 3"lift all spring, working RKE,
Edel2131, Holly 1850, mild cam (105º) 13mpg for now.
"Its a Jeep thing, and I still don't understand"
05 Renegade OME 927, 947, top plate, JBA 4.5s ,ST/MAXX 245/75/16
RockRollin is offline   Reply With Quote
Unread 02-10-2013, 08:06 PM   #5
BJ's Off-Road
Registered User
1979 FSJ Cherokee 
 
Join Date: Oct 2004
Location: Gig Harbor, WA
Posts: 1,379
It is an exhaust damper. When cold, it is closed and it forces that sides exhaust through the intake manifold and out the other side of the exhaust. A lot of people just weld them open.
BJ's Off-Road is offline   Reply With Quote
Unread 02-10-2013, 10:19 PM   #6
pleontks
Registered User
1976 J-Series Truck 
 
Join Date: Apr 2010
Location: Whetstone, Az
Posts: 1,123
ties into that little metal tube that goes into the bottom of your air cleaner.

My was cracked in half. I removed it. Not a good idea. I twisted my y-pipe and the whole exhaust. Was a horrible pain to get donut to seal.

Definetly suggest putting it back in. With or without butterfly.
__________________
Beauty is in the eye of the jeepowner.
pleontks is offline   Reply With Quote




Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.