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Discussion Starter · #1 ·
Wanting to remove my throttle body to install an O-gasket in place of the D shaped stock gasket. Reading the FSM it says to drain the coolant when removing the throttle body.

Any way around this? Or will things get messy?
 

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I did this very mod a couple weeks ago. I just removed the intake tube, throttle cable, and the four bolts. Just pulled it out enough to remove the old and insert the new gasket. Couldn't tell you exactly what the performance gain was by itself, because I put on the AirAid MIT at the same time. Overall the difference is noticable. I don't know about peak power, but the RPM's seem to build a little faster, and the power band seems to have moved a little bit toward the low end. I have headers and cat-back exhaust so I was already a little starved for air for a naturally aspirated truck.
 

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Discussion Starter · #3 ·
Breathegood said:
I did this very mod a couple weeks ago. I just removed the intake tube, throttle cable, and the four bolts. Just pulled it out enough to remove the old and insert the new gasket. Couldn't tell you exactly what the performance gain was by itself, because I put on the AirAid MIT at the same time. Overall the difference is noticable. I don't know about peak power, but the RPM's seem to build a little faster, and the power band seems to have moved a little bit toward the low end. I have headers and cat-back exhaust so I was already a little starved for air for a naturally aspirated truck.
Any coolant leakage at all? Did you have to burp the system afterwards?
 

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You should not experience ANY coolant leakage. Just be sure not to remove the coolant lines from the Throttlebody when you pull it away from the plenum. The coolant lines are the ones with the metal clamps on them....the vacuum lines do not have any clamps.
 

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where can i get an o-gasket for the throttle body? and where is the cheapest?
 

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When I removed my throttle body to do some major cleaning, It didnt leak much coolant at all when I removed the line.
 

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yah same question here, where can we get this o gasket. autozone, stealership, etc??
 

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bluto20 said:
where can i get an o-gasket for the throttle body? and where is the cheapest?
i think you can get it at www.urdusa.com. don't know the price. they use a oil/wax impregnated paper gasket as opposed to the metal gasket from factory. i think later model years tacomas have an o-shaped gasket. if this is true maybe you can get one from the dealer and put it on an earlier year. this is what i think i read so if it is wrong, sorry.
 

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You do not need to remove any vacuum lines or coolant lines. Just take off the big air tube, remove the bolts and just slide the throttle body away from the upper intake connector just enough to slip out the old and slip in the new gasket. You really don't need to move it much at all.
 

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Gadget said:
You do not need to remove any vacuum lines or coolant lines. Just take off the big air tube, remove the bolts and just slide the throttle body away from the upper intake connector just enough to slip out the old and slip in the new gasket. You really don't need to move it much at all.
Does the o gasket make that much of a difference?
 
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