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Can't bleed PS system. #4613284
12/24/17 05:51 PM
12/24/17 05:51 PM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Merry Christmas BITOG.

I can't seem to bleed the Jeep's PS system. Lock to lock and partially lock to partially lock easily 50+ times with the wheels raised and there's still air coming out of the reservoir.

I have a new high pressure hose, but the original low pressure hose. Perhaps the old constant tension clamps aren't sealing and allowing some air into the system? Each burp creates some decent air bubbles.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Can't bleed PS system. [Re: dlundblad] #4613288
12/24/17 05:57 PM
12/24/17 05:57 PM
Joined: Jul 2003
Posts: 4,895
New Zealand
Silk Offline
Silk  Offline
Joined: Jul 2003
Posts: 4,895
New Zealand
Engine off, lock to lock with the road wheel, not the steering wheel.


1987 BMW R65 - Aegis SAE30
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Can't bleed PS system. [Re: Silk] #4613299
12/24/17 06:11 PM
12/24/17 06:11 PM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Maybe I am just tired, but I don't understand.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Can't bleed PS system. [Re: dlundblad] #4613308
12/24/17 06:22 PM
12/24/17 06:22 PM
Joined: Jul 2003
Posts: 4,895
New Zealand
Silk Offline
Silk  Offline
Joined: Jul 2003
Posts: 4,895
New Zealand
You must be tired.


1987 BMW R65 - Aegis SAE30
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Can't bleed PS system. [Re: Silk] #4613312
12/24/17 06:30 PM
12/24/17 06:30 PM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Originally Posted By: Silk
You must be tired.


So grab a tire and move it lock to lock?

Hows this different than just using the steering wheel?


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Can't bleed PS system. [Re: Silk] #4613315
12/24/17 06:34 PM
12/24/17 06:34 PM
Joined: Oct 2014
Posts: 12,582
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,582
Idaho
Originally Posted By: Silk
You must be tired.
grin


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Can't bleed PS system. [Re: dlundblad] #4613322
12/24/17 06:54 PM
12/24/17 06:54 PM
Joined: Jun 2003
Posts: 33,571
ME
eljefino Offline
eljefino  Offline
Joined: Jun 2003
Posts: 33,571
ME
Why not lower onto the tires with some normal weight and try again?

Re: Can't bleed PS system. [Re: dlundblad] #4613350
12/24/17 07:22 PM
12/24/17 07:22 PM
Joined: Dec 2014
Posts: 1,684
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,684
'murica
Apply vacuum to the reservoir with a hand pump

Re: Can't bleed PS system. [Re: dlundblad] #4613352
12/24/17 07:27 PM
12/24/17 07:27 PM
Joined: Jul 2003
Posts: 4,895
New Zealand
Silk Offline
Silk  Offline
Joined: Jul 2003
Posts: 4,895
New Zealand
Originally Posted By: dlundblad
So grab a tire and move it lock to lock?


Yes, it's more likely to cavitate if you use the steering wheel. Just slowly lock to lock a dozen times with a road wheel. And engine off, cavitation again.

Last edited by Silk; 12/24/17 07:28 PM.

1987 BMW R65 - Aegis SAE30
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Can't bleed PS system. [Re: dlundblad] #4613420
12/24/17 09:14 PM
12/24/17 09:14 PM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,283
WI
What happens is the return line gets microscopic cracks in it and sucks air in through those. So that being said, it'll be kind of hard to get all the air out. I recently put a new Dorman cooler on my Liberty and it was sucking in air still, ended up double clamping it and that made a difference for sure. I'd get some 3/8" trans tubing and make some new return lines for the cooler, double clamp and be done.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Can't bleed PS system. [Re: dlundblad] #4613538
12/25/17 02:33 AM
12/25/17 02:33 AM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
Is there a tiny bit of moisture in your p/s fluid?

Re: Can't bleed PS system. [Re: dlundblad] #4613553
12/25/17 03:42 AM
12/25/17 03:42 AM
Joined: Feb 2015
Posts: 2,361
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,361
Slovenia EU
Originally Posted By: dlundblad
Maybe I am just tired, but I don't understand.


One method...

https://youtu.be/A0fiZCHz5ew

2nd one slightly different...

https://youtu.be/VuPALAnHjRM


2008 Toyota Yaris 1ND-TV 1.4 D4-D Elf FullTech FE 5w30
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Can't bleed PS system. [Re: Kamele0N] #4613609
12/25/17 06:05 AM
12/25/17 06:05 AM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Originally Posted By: Kamele0N
Originally Posted By: dlundblad
Maybe I am just tired, but I don't understand.


One method...

https://youtu.be/A0fiZCHz5ew

2nd one slightly different...

https://youtu.be/VuPALAnHjRM


I am not trying to do a flush.

I replaced my high pressure hose and now there's air in the system.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Can't bleed PS system. [Re: Silk] #4613614
12/25/17 06:12 AM
12/25/17 06:12 AM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Originally Posted By: Silk
Originally Posted By: dlundblad
So grab a tire and move it lock to lock?


Yes, it's more likely to cavitate if you use the steering wheel. Just slowly lock to lock a dozen times with a road wheel. And engine off, cavitation again.


3 posts in and I am still scratching my head. Thanks anyways.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Can't bleed PS system. [Re: OneEyeJack] #4613683
12/25/17 08:24 AM
12/25/17 08:24 AM
Joined: May 2007
Posts: 452
South Carolina
pcoxe Offline
pcoxe  Offline
Joined: May 2007
Posts: 452
South Carolina
Originally Posted By: OneEyeJack
Is there a tiny bit of moisture in your p/s fluid?


One drop of water can create a lot of foam and looks like air. And water tends to settle at the lowest level so it's difficult to remove.

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