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Can ps fluid eat through a gallon jug? #4496739
08/24/17 07:31 AM
08/24/17 07:31 AM
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
JeepWJ19 Offline OP
JeepWJ19  Offline OP
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
Silly question, I know...

It's time I switched out the power steering fluid on my jeep. It's been the most neglected and I feel bad for allowing it to go this long. I don't plan on flushing the whole system, just using a turkey baster method and getting as much out of the reservoir as I can. Going to be using Valvoline PS fluid since it's the only one I can find that actually states it meets MS5931 spec. I didn't think there could be much difference between PS fluid and ATF+4 but if Chrysler says so then I'd rather just go with what is spec'd.

Anyway onto the question:
I don't have any other left over empty bottles (like oil bottles etc) but I do have an empty gallon milk/water jug. I just need to hold the power steering fluid until I get it recycled which will be done ASAP. Will the jug be fine?

Thank you

If gallong jug is ambiguous:

Last edited by JeepWJ19; 08/24/17 07:38 AM.

2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

Software Engineer :]
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496748
08/24/17 07:37 AM
08/24/17 07:37 AM
Joined: Mar 2011
Posts: 421
new jersey
hemitruck Offline
hemitruck  Offline
Joined: Mar 2011
Posts: 421
new jersey
I would just use the PS fluid from Mopar. Had trouble with the Valvoline ps in my 04 grand Cherokee.

Re: Can ps fluid eat through a milk jug? [Re: hemitruck] #4496754
08/24/17 07:41 AM
08/24/17 07:41 AM
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
JeepWJ19 Offline OP
JeepWJ19  Offline OP
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
Originally Posted By: hemitruck
I would just use the PS fluid from Mopar. Had trouble with the Valvoline ps in my 04 grand Cherokee.


From researching, The traditional Mopar PowerSteering Fluid was discontinued and they only have Mopar PowerSteering Fluid +4 available.


2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

Software Engineer :]
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496794
08/24/17 08:10 AM
08/24/17 08:10 AM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
Could use the moo jug for temporary and pour it back into the power steering jug you used. I don't think its going to eat through in 30 minutes or so



97 Ford E350 D,99 F350 dually D
13 Scion Xb
12 Ford Transit Connect
06 Nissan Xterra
03 K1200 BMW
07 Kawasaki KLR650
13 Madass
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496822
08/24/17 08:38 AM
08/24/17 08:38 AM
Joined: Sep 2004
Posts: 7,902
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,902
Marshfield , MA
Keep the jug out of the sunlight. They will bio-degrade. I would use the turkey baster to empty the pump reservoir so I could remove the return line and plug the gazinta without making a mess. Then collect the return in the jug as you pour the fluid of your choice into the system.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496841
08/24/17 08:56 AM
08/24/17 08:56 AM
Joined: Dec 2016
Posts: 127
NC
ruhroh Offline
ruhroh  Offline
Joined: Dec 2016
Posts: 127
NC
Yep, for the WJ, you need to use the amber colored MS5931 PSF. Don't be tempted to throw ATF+4 in it.

The Carquest PSF meets the Chrysler spec too if that's easier to find than the Valvoline. I think at the time, the Oreilly-brand fluid met the spec too. Someone mistyped the Chrysler spec on the AAP product page and it hasn't been fixed in half a decade. I used almost one quart after disconnecting the return hose and draining the reservoir and then dry steer from end to end with the wheels off the ground and engine off. No problems or leaks after two years now with the CQ fluid. With your baster way, it might replace maybe 1/4 quart unless you do it multiple times.

If in doubt about the jug's long-term degradability, you can always pour the new fluid into the jug first when you're doing the work and use the emptied oil bottle to collect the waste...

Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496848
08/24/17 09:06 AM
08/24/17 09:06 AM
Joined: Jan 2011
Posts: 669
Anaheim, CA
zorobabel Offline
zorobabel  Offline
Joined: Jan 2011
Posts: 669
Anaheim, CA
I've had coolant, but not ATF/PS in those jugs.


1997 Maxima 192k, QSGB 5w30+QSUD 5w30 (2:1), PL14477
2004 Corolla 195k, VWB 5w20 + SSS 10w40, MGL4967
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496873
08/24/17 09:48 AM
08/24/17 09:48 AM
Joined: Aug 2011
Posts: 9,560
Boston, MA
HerrStig Offline
HerrStig  Offline
Joined: Aug 2011
Posts: 9,560
Boston, MA
Cat litter jugs work fine and don't degrade.

Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4496932
08/24/17 11:23 AM
08/24/17 11:23 AM
Joined: Oct 2014
Posts: 12,709
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,709
Idaho
Those jugs aren't the longest lasting plastic.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4497260
08/24/17 06:37 PM
08/24/17 06:37 PM
Joined: Jun 2011
Posts: 1,804
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,804
Crawfordville FL
I've seen oil eat through those but it took about a year. As long as the fluid isn't super hot it should work for transport and dump


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4497276
08/24/17 07:00 PM
08/24/17 07:00 PM
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
JeepWJ19 Offline OP
JeepWJ19  Offline OP
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
Thanks everyone! I'm doing the turkey baster method and every couple weeks I'm just gonna keep doing it until I use up the whole quart of PSF. Got 1/4 quart out today. Will take out another quart next week.

The jug won't be stored long and always stays cool in the garage where sun doesn't hit.

Last edited by JeepWJ19; 08/24/17 07:14 PM.

2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

Software Engineer :]
Re: Can ps fluid eat through a milk jug? [Re: JeepWJ19] #4497288
08/24/17 07:12 PM
08/24/17 07:12 PM
Joined: Sep 2013
Posts: 10,774
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,774
Indiana
You'll be fine if you move quickly. I've had more leakers from milk jugs than oil jugs that's for sure, but I am not sure if it was the oil eating through the plastic (obviously not oil rated like an oil jug) or a crack in the seam. Milk jugs I get rid of right away now as in I make a special trip that weekend. Oil jugs not quite as urgent as in next convenience when I'm thinking about it.

You are doing good by not adding ATF. I want to say the later model TJ's required ATF+4. I am not sure on anything newer. Meanwhile, I've read reports of the +4 making the systems scream and the MS5931 making systems scream. Some WJ era Chrysler systems required the +4 which just added to the confusion. I've had Oreilly brand and Valvoline PSF in my Jeep for years now. Issue free aside from a slow high pressure line leak. Probably wouldn't have happened if I used +4... whistle

*I am glad my truck's PS system can use both ATF and PSF. Being able to use 1 fluid is nice..

Last edited by dlundblad; 08/24/17 07:14 PM.

03 Jeep WJ 4.0 202k 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 ps fluid eat through a milk jug? [Re: JeepWJ19] #4497673
08/25/17 09:59 AM
08/25/17 09:59 AM
Joined: Jun 2003
Posts: 5,973
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,973
Illinois
Milk jugs are unreliable for long term use, even with water. The clear one gallon juice bottles are great.


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: Can ps fluid eat through a milk jug? [Re: SHOZ] #4497683
08/25/17 10:13 AM
08/25/17 10:13 AM
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
JeepWJ19 Offline OP
JeepWJ19  Offline OP
Joined: Sep 2015
Posts: 996
PENNSYLVANIA
Originally Posted By: SHOZ
Milk jugs are unreliable for long term use, even with water. The clear one gallon juice bottles are great.


Not for long term use. Recycling it today


2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

Software Engineer :]

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