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Old 11-27-2017, 08:46 PM   #19
zerosl
 
Drives: 2008 Yaris S Hatchback
Join Date: Oct 2017
Location: NY
Posts: 29
Flange repair was too small, if anyone else decides to go this route, I recommend getting a slightly bigger size
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Old 11-28-2017, 01:27 PM   #20
zerosl
 
Drives: 2008 Yaris S Hatchback
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Walker 31871
or any other flange repair kit that is about 2 1/4 inch
They run about 15 bucks for two from rockauto

Good luck to anyone who needs to do this, hopefully this helps at all
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Old 03-25-2018, 10:29 PM   #21
grilled cheeseus
 
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Thumbs up

Just replaced the original gasket on my 2007 hatchback with 120k miles and 10 salty upstate NY winters. :D

Photos

Before trying to loosen the flange bolts, I used a MAP-Pro torch ($50 at the Homeless Despot) to get the nuts red-hot. You can hit the nuts with a torch from the engine bay -- I unclipped a wiring harness to make more room to work. Watch your aim -- there are O2 sensor wires just above the flange on the driver's side.

After heating each nut, I crawled underneath, hammered a socket with long extension onto the rusty bolt head, and carefully(!) applied torque. Got them both loose with no fuss, and the rest of the job was easy. I used new bolts but kept the original captive nuts.

The replacement gasket I used was a Walker 31619. May be a little different than OEM gasket size (definitely different material), but it seems to make a good seal. Car sounds much quieter now and less rough when accelerating. I'm probably breathing cleaner cabin air too.
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Old 03-26-2018, 12:57 AM   #22
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Time to do mine as well. I can taste the fumes with the hood open.. and a shot of SeaFoam shows it's leaking there, also be a good idea to take the header off and check that as well. Good info on the or replacements.
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Old 03-26-2018, 09:24 AM   #23
zerosl
 
Drives: 2008 Yaris S Hatchback
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Yes, I would definitely monitor this in the future and for anyone else who owns this vehicle.

My spring bolts were just corroded to pieces which is why they snapped so quickly.

But yes, Definitely torch/Heat before torquing anything exhaust in the future!
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Old 12-04-2018, 09:10 PM   #24
hodginsa
 
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I've got to do this soon. Winter is here and heating the car with re-circulation on just fogs the windows bad. Driving with it off the car just fills up with fumes.

Good to know its likely just the gasket. I haven't investigated yet though.
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Old 12-07-2018, 01:10 PM   #25
Mike Dexter
 
Drives: '10 Hatchback
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Quote:
Originally Posted by zerosl View Post
I was able to cut away the bolts between the flanges, but will need a longer drill. I replaced the donut gasket and clamped it shut with a U bolt until I come back to it after purchasing the correct parts
Same thing happened to me. I was able to helicoil it by using an adapter to hold the bit/tap/helicoil tool to a 12" extension bar.
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Old 12-07-2018, 03:37 PM   #26
myfirstyota
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Drives: 07 Yaris rs 3 door 2zr swaped
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Location: Toronto Canada
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Quote:
Originally Posted by grilled cheeseus View Post

Before trying to loosen the flange bolts, I used a MAP-Pro torch ($50 at the Homeless Despot) to get the nuts red-hot. You can hit the nuts with a torch from the engine bay -- I unclipped a wiring harness to make more room to work. Watch your aim -- there are O2 sensor wires just above the flange on the driver's side.

After heating each nut, I crawled underneath, hammered a socket with long extension onto the rusty bolt head, and carefully(!) applied torque.
Has never failed me. I've done 3 of these gaskets now. Gasket from Toyota (canada) $50-60, I think the bolts are $7 and change each.
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Old 12-07-2018, 06:57 PM   #27
dogsridewith
 
Drives: 2007 2-door hatchback
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This spring-bolt joint is special. Circa 1990 Corolla and Tercel used a down pipe w/ a flex section, so all stock exhaust connections were flanged. On all of these I used 3/8 stainless nuts and bolts from the hardware store...no more rusty stuck fasteners next time a pipe or muffler was replaced.
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Old 12-07-2018, 07:47 PM   #28
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flex seal
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Old 12-08-2018, 10:20 AM   #29
dogsridewith
 
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Isn't "flex seal" polyurethane glue and caulk sold on TV? (Guy cuts a boat in half, glues it together and zooms across the lake.)
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