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The mkiv Supra Owners Club

Removing the manifold, cam covers and turbo-piping


c0c4in3

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It's actually pretty easy once you know all the gotchas :) Taking the battery out is a must, but you don't have to remove the PAS reservoir, you can just unbolt it and bend it out the way as needed.

 

There is a vac hose on the underside of the throttle body that goes to the PAS pump. Watch out for that one and also two coolant lines going to the underside of the TB as well. They are easier to undo if you take the TB off the plenum first. When doing that, you've got two bolts on top but also two nuts underneath which can be a bit of a git to get at!

 

There are two coolant lines going to the Idle Control Valve as well, they are easier to get off if you take the ICV off the plenum first. Get some bolts or allen keys or even rolled up tissue to plug the hoses with - they won't leak much when you remove them.

 

There is a small 10mm bolt at the back of the plenum which holds on a wiring loom casing, and there is also a support bracket and the dipstick bracket on the underside of the intake runners section of the plenum.

 

I think that's all the nasty bits :)

 

-Ian

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It's actually pretty easy once you know all the gotchas :) Taking the battery out is a must, but you don't have to remove the PAS reservoir, you can just unbolt it and bend it out the way as needed.

 

There is a vac hose on the underside of the throttle body that goes to the PAS pump. Watch out for that one and also two coolant lines going to the underside of the TB as well. They are easier to undo if you take the TB off the plenum first. When doing that, you've got two bolts on top but also two nuts underneath which can be a bit of a git to get at!

 

There are two coolant lines going to the Idle Control Valve as well, they are easier to get off if you take the ICV off the plenum first. Get some bolts or allen keys or even rolled up tissue to plug the hoses with - they won't leak much when you remove them.

 

There is a small 10mm bolt at the back of the plenum which holds on a wiring loom casing, and there is also a support bracket and the dipstick bracket on the underside of the intake runners section of the plenum.

 

I think that's all the nasty bits :)

 

-Ian

 

Wow. Thanks my friend. With that instructions, I can't do anything wrong :-) Thousands thanks.

 

Oliver

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Actually I've got a couple of pics that may help. The first one shows the two studs that you have to get the nuts off, and also one of the coolant hoses poking up that goes on the bottom of the TB. The other hose is attached to some hard piping that comes off in one piece from the plenum.

 

The second picture shows pretty much all the bolts that have to come out, including that pesky 10mm one - it's black so it doesn't show up too well but it's bolted in pointing at the front of the car, into the bottom right casting of the plenum.

 

-Ian

 

PS amazingly I notice I didn't take the battery out :looney: I suggest you do haha

49_tb_off.jpg

50_]tb_off2.jpg

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