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Posted

I have had the dreaded throttle body failure on our 2007 2.4 Camry.
I have the opportunity to get a used one off a low k car (2009 model) but the part # is one digit higher and it has one less vacuum port. Only has one vacuum port and the coolant in and out pipes.
The orig TB is 22030-28070, the one on offer is -28071.
Local Toyota dealers show the 28071 as the superseding item for the original -28070 for the 2007 Camry 2.4 but could not advise what is to be done with the excess vacuum hose.
Does anyone here with experience with these TBs know anything about this??
Just block it??


Posted

Hi Trent, Thanks for the reply...
The vacuum hose that wont have a connector is the one that goes through this part.. 25719-28040 Vacuum surge tank.
Cant see where the other end of the hose goes to??


Posted

The two TB's are self explanatory... you can see the missing vacuum connector on the 22030-28071 when you compare it with the original 22030-28070 throttle body. I have images of both but cant see where / how to upload them to this forum.

Posted (edited)

OK... Found an answer on the US Toyota Nation site. (cant link or copy & paste it to this forum).
Should be of help to others looking for a replacement TB...
The spare vacuum hose can be just left off. They claim it doesn't even need to be blocked.
The vacuum connector circled in red is the one not used on the updated throttle bodies.
Connector 1 is a vacuum connector and 2&3 are connectors for the coolant flow.

post-8662-0-90316000-1429795488_thumb.jp

Edited by KX-R & ACV40R
Posted

I have had the dreaded throttle body failure on our 2007 2.4 Camry.

...............................................

I think I would block off the redundant vac line if only just to keep insects and dirt out.

How do these throttle bodies fail?

Posted (edited)

Toyota says to just throw the hose away so I wont argue with them :-) I don't think it is a vacuum hose but some sort of drain hose.

Quite common for them to fail on the 06/07 models I'm told Jim.
The whole device is just a butterfly valve like you see in a standard carburettor, a black plastic case that contains a few cogs and a small electric motor. All it does is control the air flow to the motor.
It is the small electric motor that fails.
Toyota dealer was asking about $1100 for the part! That did not include install.
I got a used one off an 09 low k camry from a wrecker for $100 plus delivery.
They are very easy to install... just disconnect the wire plug, the 4 rubber hoses and remove the 4 bolts.
Toyota dealers no longer sell the one that ends in 70, only the 71 version. There is another updated model that will also work on the 40 series camry.
On 2.4 motors around 2005 vintage Toyota USA was replacing them free of charge.
It sure has made a difference to the car, it is so smooth, responsive and quiet now and the economy seems to have improved also.

Edited by KX-R & ACV40R

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