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Automotive Jack will not lift if there is any weight on it

I can jack up jack without any pressure on it and it will stay, but it will not jack up any further. There is no fluid leaking from it and I can't hear any air leaking. i do not have a manual.

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  • 636 Answers

I am amusing the jack is hydraulic have you tried turning the screw clock wise on the base of the jack sometimes located were the handle inserts?

Posted on Jul 26, 2009

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It lifted the car weight fine but it would eventually drop back down. what i did was drain the hydrolic oil and replaced for a new one but now it doesnt lift at all.


Sounds like you're having issues with a hydraulic jack. There are a few things that could be causing this issue:

1) The seals in the hydraulic cylinder are beginning to fail, allowing fluid to leak out of the pressurized cylinder and back into the reservoir
2) The valve is failing, leading to a similar issue stated above.

That stated, DO NOT CONTINUE TO USE THE JACK until you have resolved the issue--the high pressure system could fail very violently.

Sep 02, 2015 | Cars & Trucks

1 Answer

My boy put his weight on the dryer door while taking clothes out of it. Now it won't stay closed, it keeps popping open. The whirlpool dryer is 6 months old, It's not the latch.


Place dryer on the floor
put car jack under the opened dryer door and gentle lift the door in the opposite direction with the child sitting on the dryer when placed on the floor. Experiment - A little bit at a time test door until latch works again.
Be careful not to damage the door with too much jacking / lifting.
May want to place a piece of timber between top of jack and door to minimize damaging the door.

Apr 27, 2015 | Whirlpool Dryers

1 Answer

Hydraulic jack


check the piston seals are not damaged.. Check the non return ball has not got something stuck under it .

Jul 11, 2013 | Air Tools & Compressors

1 Answer

How do i replace rear motor mount on toyota echo?


It is not that Hard, you can use the Jack from your Car... Lift up a little on the Oil Pan with the Jack, you will see the engine Mount move. Once you have that pressure on, then you just take the center bolt and then the mount bolts. Install the new Mount and lower the jack.

YOU DO NOT WANT TO LIFT THE CAR, JUST GET WEIGHT OFF THE MOUNT

Apr 12, 2013 | 2001 Toyota Echo

1 Answer

How does a floor jack work


Place jack under what you want lifted and close valve and put rod in jacker and jack up till your height is good,to let down turn valve counterclock wise.

Sep 13, 2012 | Automotive HEAVYDUTY Hydraulic Bottle Jack...

1 Answer

I have a 3 1/2 ton floor jack it is a craftman it will lift, but whene i put weight to it it will not lift anything where do you put the oil in to it. thanks gerald


Hi, Gerald -

You either need to top up the oil, or change the oil. Both of these are easy to do.
You'll need some high-grade jack oil, an Allen wrench, a rag or two, and a funnel.

1.) Relieve the pressure and lower the jack arm all the way down.
2.) Remove the tool tray from between the two rear wheels.
3.) Wipe the oil fill plug clean. (You don't want any gunk or debris falling inside.)
4.) Remove the plug with the Allen wrench.

Look inside. If the oil level is at or below the inner cylinder wall, you'll need to add oil. Don't go more than 3/16"-1/4" above the inner cylinder wall.

With the pressure still off, gently raise & lower the arm two or three times. Check and adjust your oil level again. Then screw the plug back in & tighten it with your Allen wrench.

Everything OK? Great. If not, repeat 1 through 4, then lay the jack on its side & drain ALL the oil out (into a container). When it's empty, set it upright & fill it. Again, raise & lower the arm several times.

Replace the plug, tighten it, then test. Raise the jack all the way up, then lower it all the way down, without any load on it. Repeat this two more times. (This helps to dissipate the air bubbles in the oil.) It should now be ready to use.

Mar 02, 2011 | Plumbing

1 Answer

Need how-to on replacing the rear motor mount


"The" motor mount implies one of the three (actually the rear on is a transmission mount).
Loosen the bolts on the mounts that you are keeping.
Next, place a 2x6 about 1 ft long under the oil pan and place a jack under the oil pan and 2x6 board.
Apply pressure (just a little) to the jack.

Now, remove the bolts that hold the bad motor mount. Apply enough lift on the jack to get the engine weight off the motor mount (and no more).

Next, knock out the bad mount and insert the new mount. Insert the bolts (hand tighten).

Next, lower the jack until the block rests on the new mount. Tighten the other motor mount bolts and the new mount bolts (torque to about 35 Ft. lbs.)

You are done!

Oct 07, 2009 | 1998 Ford Taurus

1 Answer

Problem removeing brake discs.


Replace Page 1 of 2
u can vist auto zone .com for more info here to help Shaun

Before any service is performed, carefully check the following:
  • Be sure the vehicle is properly centered and secured on stands or a hoist.
  • If the vehicle has antilock brakes, depressurize the system according to the procedures given in the service manual.
  • Disconnect the battery ground cable.
  • Front brake pad replacement begins with removing brake fluid from the master cylinder reservoir. If this is not done, the fluid could overflow and spill when the pistons are forced back into the caliper bore, possibly damaging the painted surfaces.
  • Replace the cover.
  • Discard old brake fluid.




  • Raise the car. Make sure it is safely positioned on the lift.
  • If you don't have a lift, use a jack and jack stands.
  • A handle on the jack is moved up and down to raise part of a vehicle and a valve is turned to release the hydraulic pressure in the jack to lower the part. At the end of the jack is a lifting pad.
  • The pad must be positioned under an area of the vehicle's frame or at one of the manufacturer's recommended lift points.
  • Never place the pad under the floorpan or under steering and suspension components, because they can easily be damaged by the weight of the vehicle.
  • Always position the jack so that the wheels of the vehicle can roll as the vehicle is being raised.
  • Never use a lift or jack to move something heavier than it is designed for. Always check the rating before using a lift or jack. If a jack is rated for 2 tons, do not attempt to use it for a job that requires a 5-ton jack. It is dangerous for you and the vehicle.
  • Safety stands, also called jack stands, are supports of various heights that sit on the floor. They are placed under a sturdy chassis member, such as the frame or axle housing, to support the vehicle.
  • Once the safety stands are in position, the hydraulic pressure in the jack should be slowly released until the weight of the vehicle is on the stands. Like jacks, jack stands also have a capacity rating. Always use the correct rating of jack stand.
  • Never move under a vehicle when it is supported by only a hydraulic jack. Rest the vehicle on the safety stands before moving under the vehicle.
  • The jack should be removed after the jack stands are set in place.
  • This eliminates a hazard, such as a jack handle sticking out into a walkway. A jack handle that is bumped or kicked can cause a tripping accident or cause the vehicle to fall.
  • If you use support stands on asphalt, put a piece of thick plywood or a steel plate under the stands.
  • Remove its wheel assemblies.




  • Inspect the brake assembly.
  • Look for signs of fluid leaks, broken or cracked lines, or a damaged break rotor. If a problem is found, correct it before installing the new brake pads.


  • Loosen the bolts and remove the pad locator pins.
  • During servicing, grease, oil, brake fluid, or any other foreign material must be kept off the brake linings, caliper, surfaces of the disc, and external surfaces of the hub. Handle the brake disc and caliper in such a way as to avoid deformation of the disc and nicking or scratching of the brake linings.


  • Lift and rotate the caliper assembly from the rotor.


  • Remove the brake pads from the caliper assembly.




  • Fasten a piece of wire to the car's frame and support the caliper with the wire.
  • When a hydraulic hose is disconnected, plug it to prevent any foreign material from entering.




  • Check the condition of the locating pin insulators and sleeves.



Art courtesy of Delmar - Thomson Learning.
  • Place a piece of wood over the caliper's piston and install a C-clamp over the wood and caliper.
  • Tighten the clamp to force the piston back into its bore.

Nov 15, 2008 | 1998 Honda Accord

4 Answers

Sears 4 Ton Hydraulic Automotive Floor Jack-Will Not Lift ?


I have a Sears 1 1/2 ton floor jack. I was able to buy a repair kit from Astro Pneumatic Tool Company 372 OLD U.S. Hwy 52 South Mount Airy N,C 27030-8093
1-800-221-9705
John

Sep 27, 2008 | Plumbing

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