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Hydraulic lift goes up but not down - Cars & Trucks

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On what? is it a hydraulic system or just a rod for a hood-trunk?

Posted on Oct 10, 2013

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1 Answer

Loader stuck in down position, the joy stick will not raise or lower loader. The joy stick will work the tilt movme


didnt specify type of machine( generic answer)some machines have an electrical assist joy stick check switchs if hydraulic check the r check fluid level in the hydraulics the tilt uses less fluid to the piston than the lift arms ----check the hydro lines and connections doesnt happen all the time but try bleeding lift lines air or debris in lines

Sep 15, 2015 | Cars & Trucks

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Lift will go to top and stay or down and stay with lever to top or bottom . LIFT lever half way, nothing. 6600 ford


Hydraulic tailgate lift I assume? Check fluid, check connections from lift position to valve (lever) sounds like you have a linkage problem that tells valve where the lift is (half way)?

Mar 12, 2015 | Ford Cars & Trucks

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2008 Chrysler town and country lift gate repair


You may have a leak in the hydraulic system, just enough juice to push it open but not enough to keep it up. Open the door by hand, hold it up for a moment and then let it go. If it drops quickly(don't hurt yourself!), it's probably the motor; if it goes down slowly with a hiss, it's probably the hydraulics. Good luck.

Jun 27, 2014 | 2006 Chrysler Town & Country

1 Answer

Power liftgate will not open with remote, instrument panel control or button in rear cargo on lincoln mkx


It can be faulty switch or its issue with lift gate latch.Its got stuck up hard or cracked inside.It has to be inspected.-----------
There are few help links with proper solutions for these problem.I suggest you to refer the links.
Click the link below:----
2007 Mercury Mountaineer: Liftgate will not Unlock or Open? http://whoisbyme.blogspot.in/2012/06/2007-mercury-mountaineer-liftgate-will.html
------------
Adjust Hydraulic Lifters? http://schematicsdiagram.blogspot.in/2012/04/adjust-hydraulic-lifters.html
-----------
How to open rear lift gate? http://repairhelpcenter.blogspot.com/2011/12/how-to-open-rear-lift-gate.html

--------- Power Liftgate Shuts Down http://whoisbyme.blogspot.in/2012/07/power-liftgate-shuts-down.html
------------ Power Lift Gate Will Not Remain Open http://whoisbyme.blogspot.in/2012/07/power-lift-gate-will-not-remain-open.html
----------- Power Lift-gate will not Operate http://whoisbyme.blogspot.in/2012/07/power-lift-gate-will-not-operate.html
------------- Liftgate will Not Stay Up Open? http://whoisbyme.blogspot.in/2012/07/liftgate-will-not-stay-up-open.html

---------------- Rear Door will not open http://whoisbyme.blogspot.in/2012/07/rear-door-will-not-open.html
------------ 2000 Toyota Corolla: Rear Door wont open from outside or inside? http://whatisbyme.blogspot.in/2012/05/2000-toyota-corolla-rear-door-wont-open.html

--------------

These details will help.
Thanks.

Nov 25, 2012 | 2007 Lincoln MKX AWD

1 Answer

Top worked fine yesterday but today tried to let down only clicked


It is a hydraulic pump that applies pressure to the 2 hydraulic pistons to raise & lower the top. So, check for something obstructing movement first.

The convertible top:
  • is motor-driven.
  • requires parking brake engaged to complete circuit for operation.
  • is equipped with a back window glass (42006) . The back window glass is permanently attached to the folding top back window curtain (52500) and cannot be opened.
--------------------------------------------------------------------------------------------------------------------------
VISUAL INSPECTION CHART Mechanical Electrical
  • Damaged fluid reservoir.
  • Damaged folding top hydraulic cylinders .
  • Damaged folding top motor upper and lower hose .
  • Damaged convertible top regulator.
  • Parking brake not engaged.
  • Open power distribution box circuit breaker CONV TOP (30A), fuse junction panel Fuse 1 (15A).
  • Circuitry open/shorted.
  • Damaged convertible top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .


  • Convertible Top Does Not Raise/Lower
  • Open circuit breaker or fuse.
  • Circuitry open/shorted.
  • Damaged folding top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .
  • Parking brake not engaged.


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Jun 29, 2011 | 1998 Ford Mustang

1 Answer

To remove 1993 mustang conv. top cylinders should top be up or down? thanks, bill


don't have 93. here's 94

Motor Assembly, Convertible Top Removal and Installation
NOTE: The folding top hydraulic cylinder rods should be in the fully retracted position.
Use absorbent rags or a container to catch any hydraulic fluid that leaks out when removing the fittings.
  1. Remove motor and pump assembly as outlined.
  1. Loosen each folding top motor upper and lower hose fitting on the sides of the folding top hydraulic lift motor and plate kit (533A00) .
  1. Remove the folding top hydraulic lift motor and plate kit .
  1. Remove each of the service folding top hydraulic lift motor and plate kit plugs one at a time and attach the tee fitting to the replacement folding top hydraulic lift motor and plate kit . NOTE: Make sure that the o-ring is installed in the bottom of each folding top hydraulic lift motor and plate kit port before attaching the hose tee fitting.
  1. Connect the folding top hydraulic lift motor and plate kit unit to a 12-volt power source and cycle the folding top hydraulic lift motor and plate kit in and out several times to purge the air from the folding top motor upper and lower hoses (53390) . Some noise squeal may be noticed due to the air. srb~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not overfill or the reservoir seal could be blown out.
  1. Carefully remove the rubber fill plug from the back and the reservoir and check the fluid level. The level should be at the bottom of the filler hole. If necessary, add Synthetic Mercon® Multi-Purpose Automatic transmission fluid E6AZ-19582-B (ESR-M2C163-A2) or equivalent.
  1. Replace the fill plug with a new fill plug.
  1. To install, reverse Removal procedure.
-------------------------------------------------------------------------------------------------------------------------------
Section 01-17: Convertible 1994 Mustang. Workshop Manual
REMOVAL AND INSTALLATION Lift Cylinder, Power Top Removal and Installation
NOTE: The cylinder rods should be in the fully-retracted position.
  1. Remove pump and motor as outlined.
  1. Remove the upper and lower hose fitting from the folding top hydraulic cylinder (50600) . Use absorbent rags or a container to catch any hydraulic fluid that leaks out when removing the fittings.
  1. Remove each of the service cylinder plugs one at a time and attach the hose fittings. NOTE: Be sure each fitting is installed in the correct position on the folding top hydraulic cylinder .
    NOTE: Make sure that the tetra seal is installed in the bottom of each of the folding top hydraulic cylinder ports before attaching the upper and lower hose fittings.
  1. Connect the folding top hydraulic lift motor and plate kit (533A00) to a 12-volt power source and cycle the folding top hydraulic lift motor and plate kit in and out several times to purge the air from the hoses. Some noise squeal may be noticed due to the air.
  1. Carefully remove the rubber fill plug from the back and the reservoir and check the fluid level. The level should be at the bottom of the filler hole. If necessary, add Synthetic Mercon® Multi-Purpose Automatic transmission fluid E6AZ-19582-B (ESR-M2C163-A2) or equivalent.
  1. Replace the fill plug with a new fill plug.
  1. To install, reverse Removal procedure.

Jan 21, 2011 | Ford Mustang Cars & Trucks

1 Answer

My top will not go down and I just put in some hydraulic oil


where did the oil go that was in there? it doesn't evaporate, u have a leak, check around the hydraulic lift cylinders, that is where the leaks occure.

Oct 21, 2009 | 2001 Saab 9-3

1 Answer

Top goes down but not up


the hydraulic pump /resevior is located behind the back seat.lift up front of bottom cusion,pull forward,remove.lift up on seat back,like it's hanging on hooks.remove.locate fill screw or rubber plug on top of resevior.w/ top down fluid should be 1/2'' to3/4''below top of fill hole.it uses automatc trans fluid,so if you see red fluid under the seat you have a leak.

Sep 23, 2009 | 1998 Chrysler Sebring

2 Answers

Forklift hydraulics


The Piston seal on the cylinder may need replacing! Otherwise the valve has an eccessive leak rate. The leak rate is normal due to spool clearances although the cylinder shouldnt go down that soon. You may want to check the lift cylinder. As far as negative effects they are minimal other than danger to surrounding things under the forks.

May 11, 2009 | 2000 Alfa Romeo 156

1 Answer

Convertible top


here's some info

Symptom Chart Condition Possible Source Action
  • Folding Top Does Not Raise and/or Lower
  • Blown fuse(s).
  • Circuitry open/shorted.
  • Damaged folding top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .
  • Parking brake not engaged.
  • Go to Pinpoint Test A.
  • Top Hesitates and/or Comes Up Uneven
  • Damaged folding top hydraulic lift motor and plate kit .
  • Damaged folding top motor upper and lower hose .
  • Damaged folding top hydraulic cylinder .
  • Damaged folding top linkage.
  • Go to Pinpoint Test B.
  • Top Does Not Raise or Does Not Go All the Way Up
  • Damaged folding top linkage.
  • Damaged folding top hydraulic lift motor and plate kit .
  • Go to Pinpoint Test C.
  • Hydraulic System
  • Damaged fluid reservoir.
  • Damaged folding top hydraulic cylinder .
  • Damaged folding top motor upper and lower hose .
  • Go to Pinpoint Test D.


Lift Cylinder, Power Top Removal and Installation
NOTE: The cylinder rods should be in the fully-retracted position.
  1. Remove pump and motor as outlined.
  1. Remove the upper and lower hose fitting from the folding top hydraulic cylinder (50600) . Use absorbent rags or a container to catch any hydraulic fluid that leaks out when removing the fittings.
  1. Remove each of the service cylinder plugs one at a time and attach the hose fittings. NOTE: Be sure each fitting is installed in the correct position on the folding top hydraulic cylinder .
    NOTE: Make sure that the tetra seal is installed in the bottom of each of the folding top hydraulic cylinder ports before attaching the upper and lower hose fittings.
  1. Connect the folding top hydraulic lift motor and plate kit (533A00) to a 12-volt power source and cycle the folding top hydraulic lift motor and plate kit in and out several times to purge the air from the hoses. Some noise squeal may be noticed due to the air.
  1. Carefully remove the rubber fill plug from the back and the reservoir and check the fluid level. The level should be at the bottom of the filler hole. If necessary, add Synthetic Mercon® Multi-Purpose Automatic transmission fluid E6AZ-19582-B (ESR-M2C163-A2) or equivalent.
  1. Replace the fill plug with a new fill plug.
  1. To install, reverse Removal procedure.
-----------------------------------------------------------

Jan 04, 2009 | 1989 Ford Mustang

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