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prius bleeding that hard? #4749738
05/06/18 09:06 PM
05/06/18 09:06 PM
Joined: Jun 2009
Posts: 793
Chicago
bowlofturtle Offline OP
bowlofturtle  Offline OP
Joined: Jun 2009
Posts: 793
Chicago
I might be tasked to do one on a 2nd gen prius. Seems like its a bit of a mixture of people having tons of issues and no issues.

Hardware looks exactly the same, if i disconnect the battery brakes shouldn't try to activate and i can normally 2 man bleed after right?

Or so i really have to stomp on the pedal 8 times and etc.



Toyotas have radio codes like honda?


My toys
-05 Infiniti G35x 121k
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Maintaining
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Re: prius bleeding that hard? [Re: bowlofturtle] #4749754
05/06/18 09:30 PM
05/06/18 09:30 PM
Joined: Mar 2018
Posts: 216
Chicago
Jooksing Offline
Jooksing  Offline
Joined: Mar 2018
Posts: 216
Chicago
If it is the same as my Rx hybrid, you should use the toyota techstream cable and software. The brakes is controlled by electric pumps. The procedure is to pull the abs fuse for the front, the software then pumps the fluid out. The rear brakes was done like a normal car. Some reported the brake pumpnmay fail in the RX after a flush. ($3000 for the pump)

Check the Prius forums for specifics.

Re: prius bleeding that hard? [Re: bowlofturtle] #4749814
05/06/18 11:41 PM
05/06/18 11:41 PM
Joined: Aug 2004
Posts: 20,339
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 20,339
CA
It is not difficult if you have Techstream or a decent aftermarket scanner such as the Autel Maxisys Elite that I have. Otherwise, without proper tooling, I HiGHLY recommend that you leave it alone. The brake pedal is actually a brake by wire setup.

Also, many Gen 2 Prius have issues with the ABS modulator assembly. There was a warranty extension on them, but I believe it has expired.


2011 Toyota Prius - 181k - M1 EP/EP HM Mix 0W-20
2007 Honda Accord 2.4 - 134K - Mobil 1 EP HM 5W-30
Re: prius bleeding that hard? [Re: bowlofturtle] #4749828
05/07/18 12:45 AM
05/07/18 12:45 AM
Joined: Mar 2016
Posts: 1,745
Western S.C.
CR94 Offline
CR94  Offline
Joined: Mar 2016
Posts: 1,745
Western S.C.
The service manual describes in detail how to bleed brakes either using Techstream, or without it. For the latter, essentially, you put the system in "Invalid Mode," bleed the rears by letting the pump push fluid out, and bleed the fronts more or less conventionally by the two-person method. I was afraid of getting in trouble and let the dealer change my brake fluid ($110-$20 service coupon=$90).


2011 Toyota Prius now at 95K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: prius bleeding that hard? [Re: The Critic] #4751624
05/08/18 08:46 PM
05/08/18 08:46 PM
Joined: Jun 2009
Posts: 793
Chicago
bowlofturtle Offline OP
bowlofturtle  Offline OP
Joined: Jun 2009
Posts: 793
Chicago
Originally Posted By: The Critic
It is not difficult if you have Techstream or a decent aftermarket scanner such as the Autel Maxisys Elite that I have. Otherwise, without proper tooling, I HiGHLY recommend that you leave it alone. The brake pedal is actually a brake by wire setup.

Also, many Gen 2 Prius have issues with the ABS modulator assembly. There was a warranty extension on them, but I believe it has expired.



If i get my hands on a techstream is it as simple as follow the prompts


My toys
-05 Infiniti G35x 121k
-03 Suzuki SV650N 8.5k
Maintaining
-16 Jetta 1.4T 7k
-98 Nissan Maxima 145k
-09 Toyota Camry V6 86k

Re: prius bleeding that hard? [Re: bowlofturtle] #4751632
05/08/18 09:01 PM
05/08/18 09:01 PM
Joined: Mar 2008
Posts: 7,510
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,510
USA
You need a scanner to bleed the brakes, in a Toyota? mad crzy

Too bad you can't just use speed bleeders and bleed like regular brakes smile

Re: prius bleeding that hard? [Re: bowlofturtle] #4752538
05/09/18 10:53 PM
05/09/18 10:53 PM
Joined: Aug 2004
Posts: 20,339
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 20,339
CA
Originally Posted By: bowlofturtle
Originally Posted By: The Critic
It is not difficult if you have Techstream or a decent aftermarket scanner such as the Autel Maxisys Elite that I have. Otherwise, without proper tooling, I HiGHLY recommend that you leave it alone. The brake pedal is actually a brake by wire setup.

Also, many Gen 2 Prius have issues with the ABS modulator assembly. There was a warranty extension on them, but I believe it has expired.



If i get my hands on a techstream is it as simple as follow the prompts

Yes, but you will need 2 people.

Many aftermarket tools will do the air bleed function. You do not need to use a techstream.


2011 Toyota Prius - 181k - M1 EP/EP HM Mix 0W-20
2007 Honda Accord 2.4 - 134K - Mobil 1 EP HM 5W-30

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