Recent Topics
1969 Honda N600, Serial #1...
by mattwithcats. 06/19/19 06:02 PM
My Son Turned Me On to a New Cooking Show
by NYEngineer. 06/19/19 05:42 PM
Naphthenic Oils
by MolaKule. 06/19/19 05:06 PM
Mopar 5W-20?
by John344. 06/19/19 04:39 PM
Toyota WS UOA and Redline D6 VOA
by Patrick0525. 06/19/19 04:28 PM
2015 4Runner UOA w/ TGMO ALUMINUM
by OCDoiler. 06/19/19 04:17 PM
Evinrude oil
by FastLane. 06/19/19 03:40 PM
engine air filters...all the same?
by flinter. 06/19/19 03:37 PM
GM Dexron Developer Passes Away
by MolaKule. 06/19/19 03:20 PM
Hard Tonneau Cover Clean/Protect
by jims5600. 06/19/19 03:17 PM
2006 Camry 4 cyl. 15,000 miles on M1 5W-30
by Deontologist. 06/19/19 02:29 PM
puma oil nissan 350z? 20w50
by 1978elcamino. 06/19/19 02:04 PM
PL14612 cut open, ~5100 miles
by Sayjac. 06/19/19 01:42 PM
Best ATF for vintage Toyota P/S system
by timoboy. 06/19/19 01:16 PM
Touchless 303 thoughts?
by DriveHard. 06/19/19 12:59 PM
Napa Conventional 5qt @ $11.99
by SlavaB. 06/19/19 12:53 PM
Just spotted: 1974 Pinto!
by dadto2. 06/19/19 12:49 PM
Steering Rack Quality
by LazyDog. 06/19/19 12:43 PM
Liquid lawn fertilizer
by LeakySeals. 06/19/19 12:01 PM
Newest Members
taschnewitz, SilverFL, CactusLady, Ignatius, Kyle_O
68434 Registered Users
Who's Online Now
98 registered members (92saturnsl2, 4WD, 53' Stude, 77GrandPrix, 928, alchargo, 7 invisible), 2,108 guests, and 32 spiders.
Key: Admin, Global Mod, Mod
Forum Statistics
Forums67
Topics290,676
Posts4,990,729
Members68,434
Most Online2,967
Mar 10th, 2019
Donate to BITOG
Hop To
Michelin jack won't lift a load #4876379
09/23/18 01:32 AM
09/23/18 01:32 AM
Joined: Jan 2013
Posts: 31
Avondale
10WSmuckers Offline OP
10WSmuckers  Offline OP

Joined: Jan 2013
Posts: 31
Avondale
Hi all. I have a 3 1/2 ton Michelin floor jack that has the quick lift feature but it has now rendered itself useless. It will raise and lower itself without any weight on it but anything like a car is out of the question. It will just stay under the car and squeak loudly with every pump. There are 3 screws behind the pump cylinder and I don't want to risk adding more air into what I suspect isn't the oil fill plug. In fact they say "DO NOT ADJUST" around these 3 plugs and this isn't something I want to mess up completely. How can I bleed the air out thoroughly?

Last edited by 10WSmuckers; 09/23/18 01:32 AM.
Re: Michelin jack won't lift a load [Re: 10WSmuckers] #4876420
09/23/18 05:21 AM
09/23/18 05:21 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline

Joined: Oct 2012
Posts: 4,825
Taiwan
It IS messed up completely. It doesn't work.

How do you imagine you are going to make that worse?

Re: Michelin jack won't lift a load [Re: 10WSmuckers] #4876435
09/23/18 06:35 AM
09/23/18 06:35 AM
Joined: Aug 2018
Posts: 414
NH
wdn Offline
wdn  Offline

Joined: Aug 2018
Posts: 414
NH
Good reason why top brands should never license their brand name to put on other random stuff that is not made by them. I hope my Kubota shop vac holds up.

Re: Michelin jack won't lift a load [Re: 10WSmuckers] #4876453
09/23/18 07:21 AM
09/23/18 07:21 AM
Joined: Jun 2003
Posts: 34,545
ME
eljefino Online content
eljefino  Online Content

Joined: Jun 2003
Posts: 34,545
ME
Take it all apart and look for shot o-rings.

Re: Michelin jack won't lift a load [Re: eljefino] #4876469
09/23/18 07:52 AM
09/23/18 07:52 AM
Joined: May 2010
Posts: 10,182
out there
spasm3 Online content
spasm3  Online Content

Joined: May 2010
Posts: 10,182
out there
Originally Posted by eljefino
Take it all apart and look for shot o-rings.



You have nothing to lose by doing this. Its shot either way.

I'd watch this and give it a try.



13 elantra 75k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 9500 miles m1 0w30
Re: Michelin jack won't lift a load [Re: 10WSmuckers] #4876503
09/23/18 08:19 AM
09/23/18 08:19 AM
Joined: Apr 2010
Posts: 197
Michigan
jkasch Offline
jkasch  Offline

Joined: Apr 2010
Posts: 197
Michigan
If you haven't yet, try this first.

Bleeding
1. Remove the Cover Plate.
2. Loosen the Fill Screw.
3. Turn the Handle counterclockwise to open the Release Valve.
4. Pump the Handle up and down quickly several times to purge air from the system.
5. Check oil level and add as explained below, if needed.
6. Tighten the Fill Screw and replace the Cover Plate.

Re: Michelin jack won't lift a load [Re: 10WSmuckers] #4876565
09/23/18 09:59 AM
09/23/18 09:59 AM
Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
How old is the jack?


2015 F150 2.7
2018 F350 6.2
Re: Michelin jack won't lift a load [Re: 10WSmuckers] #4876649
09/23/18 11:26 AM
09/23/18 11:26 AM
Joined: Nov 2006
Posts: 21,955
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,955
MA, Mittelfranken.de
I would even try to fix it, its a cheap Chinese jack with a brand name from a company that doesn't even make jacks. Return it of toss it IMHO.
Jacks can be dangerous if they fail. If it were a good brand I would have the cylinder serviced by the company.


ASE L1, Master. Deutsch Meisterbrief.
Re: Michelin jack won't lift a load [Re: Trav] #4879770
09/26/18 11:30 AM
09/26/18 11:30 AM
Joined: Jun 2014
Posts: 781
Northern Arizona
funflyer Offline
funflyer  Offline

Joined: Jun 2014
Posts: 781
Northern Arizona
Originally Posted by Trav
I would even try to fix it, its a cheap Chinese jack with a brand name from a company that doesn't even make jacks. Return it of toss it IMHO.
Jacks can be dangerous if they fail. If it were a good brand I would have the cylinder serviced by the company.


China can copy and produce hard parts pretty well, it's the rubber compounds they have trouble with. I bought a cheap Chinese jack back in the 80s and within the first year it started to fail/leak, not surprising. So, being an aircraft mechanic, I headed over to see my friend in the hydraulics shop. He fixed me up with new o-rings, seals and backups and that jack is still going strong today. Now, do I trust my life with it? Heck no! I never crawl under a vehicle without jack stands in place and the weight relieved from the jack.


2016 Prius 1.8L
2001 Tacoma 2.4L
1966 GTO 6.5L
2015 Cub Cadet
Honda CT70 (X6)
Previous Thread
Index
Next Thread

BOB IS THE OIL GUY® Powered by UBB.threads™