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Old 03-15-2015, 02:08 PM   #37
tmontague
 
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wow, some of these bolts are bad. I have assumed my '02 Echo has had an exhaust leak for a while now, it's not that bad but a small tapping sound on acceleration. I plan on changing this in a couple weeks.

Now I'm thinking I should be replacing mine in my'08 Yaris since it has 136,000 km on it. Anyone know what the bolts and gasket cost at the stealership in Ontario? Or is is it possible to get at Crappy Tire?
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Old 03-15-2015, 09:56 PM   #38
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Did mine today. This is 7 years/83,000mi of use on the parts. Just used a little shot of liquid wrench on the bolts. I used a 6 point 14mm socket. DON'T use a 12 point, it will hop on the bolt head and then you're in trouble. I used a long 3/8 extension and a 3/8 to 1/2 inch adapter so I could use my cheap 1/2 drive torque wrench to get the leverage needed to break free these tough bolts.
Using a 3/8 ratchet handle probably wont work.
I warmed the car up to get the exhaust flange hot to help get things out easier. I did NOT need a torch or flame. Both bolts cracked free with no snapped parts. I took a large/long screwdriver and carefully pried around the edges of the old doughnut gasket to get it off of the exhaust manifold. Watch not to get any bits in the downpipe!
Not that bad a job IF you have experience around rusty exhaust pipes. Also, I did the whole job lying on my back while the car was on Rhino ramps.
Also, the doughnut in the pic is the old one. Note how it was eroding away where it looks like its threaded. The smooth part below that is what's left of the material that can still seal the exhaust.
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Last edited by auxmike; 03-15-2015 at 10:10 PM.
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Old 03-16-2015, 05:31 PM   #39
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Quote:
Originally Posted by Kazimodo View Post
good to see you got the bolts off without breaking them
just by heating them , did you use a welding torch or
just a small propane bottle ??
.
you must feel like you have a brand new car now
fixing an exhaust problem always makes a big difference .
We used (I watch my father in law do that part lol) a Oxygen + Acetylene torch. It turned red in 3 second. It was a little scary cause there's the firewall right there as well as some cabling for the O2 sensor and what not right near that flange.

Indeed! So quite now!

Quote:
Originally Posted by tmontague View Post
Now I'm thinking I should be replacing mine in my'08 Yaris since it has 136,000 km on it. Anyone know what the bolts and gasket cost at the stealership in Ontario? Or is is it possible to get at Crappy Tire?
Less than 60 bucks for the gasket, 2 bolts and 1 spring (springs are 7$ each) for Toyota Gatineau.
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Old 03-18-2015, 06:31 AM   #40
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My doughnut gasket between manifold and pipe was leaking. Local muffler shop (Mavis Tire) for $85 replaced the bolts with springs along with the gasket

Last edited by mimelio; 03-19-2015 at 02:52 AM.
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Old 05-06-2015, 03:45 PM   #41
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What are the part numbers on those bolts/springs?
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Old 01-02-2019, 09:25 PM   #42
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I know this is an old thread,
I have. 2016 Yaris hb, 1.5. on cold starts, I get a valve tap tap sound, car has 58000 miles. Could this be the donut gasket issue I am hearing? Ot just piston slap/ or loud valves

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Old 01-02-2019, 09:54 PM   #43
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likely just the injectors, they are noisey on the 1nz. Unless this is a new noise, then it's likely something different. If it's an exhaust leak then it should be coming from the exhaust and that is easy to check but just going under the car when its running and looking or feeling for exhaust gas
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Old 01-02-2019, 11:29 PM   #44
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Quote:
Originally Posted by JDJanitor View Post
I know this is an old thread,
I have. 2016 Yaris hb, 1.5. on cold starts, I get a valve tap tap sound, car has 58000 miles. Could this be the donut gasket issue I am hearing? Ot just piston slap/ or loud valves

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My 2008 hatch now has 122,000miles. Im the original owner and change oil every 3,000k miles. On cold winter mornings, my car sounds like an old Mercedes Diesel as I pull out of the driveway! Lots of clattering.
Once warmed up noise stops. Your car is pretty new though.
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Old 01-02-2019, 11:42 PM   #45
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Originally Posted by auxmike View Post
My 2008 hatch now has 122,000miles. Im the original owner and change oil every 3,000k miles. On cold winter mornings, my car sounds like an old Mercedes Diesel as I pull out of the driveway! Lots of clattering.

Once warmed up noise stops. Your car is pretty new though.
I bought mine last spring with 43000 on it, it was a rental car, unknown oil changes. I have been doing 5k mile oil changes.
I don't know the history of it, but it does not. Burn oil between changes . Just noisy when I start it cold. I like to let it idle a little but before driving off to avoid the ticking


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Old 01-03-2019, 01:07 AM   #46
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How cold is cold in the morning? What oil weight are you running?
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Old 01-03-2019, 01:22 AM   #47
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How cold is cold in the morning? What oil weight are you running?
From the teens to low 30's F.
Right now I have Mobil 1 0w30 advance fuel economy. With a fram ultra filter.
Last oil was Pennzoil synthetic 5w30 and one before that was supertech 5w30 synthetic.

I would think that it's not too cold for the oil, even a 10w30 probably would be ok with these temps.

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Old 01-03-2019, 07:52 AM   #48
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Originally Posted by auxmike View Post
My 2008 hatch now has 122,000miles. Im the original owner and change oil every 3,000k miles. On cold winter mornings, my car sounds like an old Mercedes Diesel as I pull out of the driveway! Lots of clattering.

Once warmed up noise stops. Your car is pretty new though.
Mine sounds about the same. It will still do it if the engine revs to 3000rpm when the cold light just turned off. IMO shouldn't be an issue. It's been like this for as long as I remember, and I own the car 12 years already.

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Old 01-03-2019, 01:36 PM   #49
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That's good, it probably is just how these engines sound.
It's not hard to hit 3k rpm on the cold engine. I leave my house and go up a short hill, I would not doubt the engine hits 3k

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Old 01-03-2019, 01:50 PM   #50
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Originally Posted by JDJanitor View Post
From the teens to low 30's F.
Right now I have Mobil 1 0w30 advance fuel economy. With a fram ultra filter.
Last oil was Pennzoil synthetic 5w30 and one before that was supertech 5w30 synthetic.

I would think that it's not too cold for the oil, even a 10w30 probably would be ok with these temps.

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ya you should be fine, the oil can easily withstand those temps due to it's very low pour point
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