installed new lifts for my convertable to --help

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rwosko
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HowdyHow do I bleed the new Hydraulic lifts for my convertable top? Thanks


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Eikon
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Car: 71 240z, 93 Supra TT
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Good question.

I'll check my FSM when I get home from work this afternoon.

Unless someone else can beat me to it... ?

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Eikon
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OK.. here goes..

Forgive me if this is very very basic instructions. I have pictures from the FSM, but they suck.

If anyone does this project... please take pictures and email them to me so that we can add them to the thread.

The 240sx convertible top assembly is powered by a hydraulic system consisting of a reversible electric motor/hyrdualic pump assembly with an attached resevoir. A bypass valve is attached to the top of the motor/pump assembly. The double-action hydraulic cylinders are connected to the motor/pump assebly by hydraulic hoses. The hydrolic system uses SAW 10W motor oil.

Bleeding Procedure Note: When performing this procedure, do not allow the fluid level to drop the below the bottom indicator line on the resevoir.

1.) Remove both quarter trim panels

2.) Disconnect cylinder rod from rear rail. a.) Remove cotter pin and washer from cylinder clevis pin. b.) Remove cylinder clevis pin. c.) Repeat on other side of car.

3.) Reposition cylinder assembly a.) Remove two main pivot bracket extension bolts and extension. b.) Position cylinder so sylinder rod will not come in contact with body panels, top stack or cover when fully extending. c.) Repeat on opposite side.

4.) Remove Right Wheelhouse Cover a.) Remove one screw from wheelhouse cover and drain trough b.) Lift wheelhouse cover lower edge to disengage velcro and remove wheelhouse cover from vehicle.

5.) Remove assembly for bleeding. a.) Remove reservoir filler plug b.) Disconnect on "pink" hose from motor/pump assembly and position to motor/pump reservoir opening.

6.) Cap-Off Motor/Pump Fitting. Using a rubber plug, such as a vacuum fitting cap, seal the open pump fitting. (Fitting must be sealed to prevent air from entering the system)

7.) Bleed hydraulic system. Depress TOP UP switch. After the cylanders are fully extended, continue to depress switch until hose being bled is free of air bubbles.

8.) Connect "Pink" Hose To Motor/Pump Fitting a.) Remove hose from reservoir and install to motor/pump assembly fitting. Torque : 7n*m (61 in. lb) b.) If low, add fluid to reservoir. c.) Repeat steps 5 through 7 for other cylander

9.) Install reservoir filler plug a.) If low, add fluid to reservoir b.) Install reservoir filler plug

10.) Connect cylinder rod to rear panel. a.) Rotate bypass valve 90* to the OPEN position. b.) Position cylinder rod to rear rail and install clevis pin. c.) Install washer and cotter pin to clevis pin.

11.) Install main pivot bracket extension. a.) Position cylinder to pivot bracket pin and install extension using two bolts. Torque: 22 n*m (17 ft. lb) b.) Repeat steps 10 through 11 for other side of vehicle. c.) Rotate bypass valve to CLOSED position.

12) Check hydraulic system operation (Test it out)

13) Install Both quarter panels and rear seat.

14.) Install Wheelhouse cover

rwosko
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Joined: Sun Aug 13, 2006 6:37 pm

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Thanks this is too awesomeQ. my top is up and cilinders fully extended, do I still have to disconnect the Cylinders from the bracket?What about the bypass switch? Can I bled ithe cylinders with it?

rwosko
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EIKONHow about my last question?Do I have to remove my cylinders to bleed them?ThanksRob.

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Eikon
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Car: 71 240z, 93 Supra TT
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Sorry bud,

I've never done it.. just going from the instructions in the FSM supplement. I would gather that you should disconnect the cylinders on the top end, but not necessary on the bottom.

According to step 2 you need to disconnect the end of the cylander from the rear rail of the convertible top. Then in step 3 you need to reposition the cylinder rod so that when it extends it doesn't hit anything.

Best info I have is what I posted. Since I've never done the procedure myself, I can't give you any personal knowledge. Sorry!

Anybody else installed new rams? Anybody else bled the system before?

rwosko
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Thanks for the responseyou have been a great help

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Eikon
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Car: 71 240z, 93 Supra TT
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rwosko wrote:Thanks for the responseyou have been a great help
That's my goal! Thanks


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