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 Posted: Jul 26, 2015 06:26PM
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Quote:
Originally Posted by helpmymini
It takes a while, but I have been pumping up (due to a slow leak) for weeks now. I've gotten quite good at connecting the grease gun and getting good results. I took the connectors off of my gun and connected the hose directly to the nozzle with a clamp. Then I fill the pump, then the hose and push it on the schrader valve and clamp it. With the CAR LIFTED (don't forget this step) I start pumping. You can watch the rear wheel go down as you pump. When you get to where you want you release the pressure by loosening the clamp. It will spray until the pressure in the hose is released. I've been pleased with the ease and lack of fluid loss with this method.

That is the only way to do it with the grease gun otherwise it takes forever.

If in doubt, flat out. Colin Mc Rae MBE 1968-2007.

Give a car more power and it goes faster on the straights,
make a car lighter and it's faster everywhere. Colin Chapman.

 Posted: Jul 26, 2015 05:26PM
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It takes a while, but I have been pumping up (due to a slow leak) for weeks now. I've gotten quite good at connecting the grease gun and getting good results. I took the connectors off of my gun and connected the hose directly to the nozzle with a clamp. Then I fill the pump, then the hose and push it on the schrader valve and clamp it. With the CAR LIFTED (don't forget this step) I start pumping. You can watch the rear wheel go down as you pump. When you get to where you want you release the pressure by loosening the clamp. It will spray until the pressure in the hose is released.

I've been pleased with the ease and lack of fluid loss with this method.

Mark Looman, Ada Michigan 1967 Austin Cooper S
 Posted: Jul 26, 2015 04:50PM
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Thanks to everone who replied.  I finally got the mini pumped up.  To velopackrat, I agree the hand pump delivers way to little fluid per stroke.   The way I finally got the left side to raise, was pretty much just due to pumping,bleeding,pumping,bleeding (you get the picture) and pumping some more.  When I finally stopped getting air up front the car started to raise and then I jacked some of the weight off the left and was able to push more straight fluid into the system which raised the car to the  level I desired.  Jim

 Posted: Jul 26, 2015 02:39PM
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US

My modified grease gun took FOREVER to pump up a side due to the tiny amount of fluid moved per stroke.  I cobbled a second homemade pump using a spare clutch master cylinder.  Had to source a one way valve too.  But the difference was marked.  Much easier.  For purging the system, I used a Mighty Vac with a schrader valve attached.  I don't think it worked 100% - but like Catalina mentioned, bleeding the sytem once or twice seemed to sort it all out.

 Posted: Jul 25, 2015 08:26AM
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Thanks for the offer but I live in Central Oregon.

 Posted: Jul 25, 2015 06:05AM
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What part of the country are you in? If you are close to east Tenn, I have a factory pump. It has one side for evacuation of fluid and one side for filling. I also have the proper hydro fluid, wou are welcome to a fill.Smile

 Posted: Jul 24, 2015 10:42PM
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AU

Pump it up and then let it down. Every time you let it down you will purge air out.
Keep doing this a few times and it will all be gone. (I have been doing this for 35 years.)

 Posted: Jul 24, 2015 08:36PM
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US
Quote:
Originally Posted by jimmyb

Does anyone here have a detailed discription for pumping up the hydro. suspension on a 1965 Cooper S, using a converted grease gun hand pump?    I can't seem to totally evacuated the systen and therefore air is traped this happened on the right side also but when I opened the hose at the front bellows the air escaped and everthing was OK.    Right side seems to be fine but the other (left) is impossible to stop getting air trapped.     Any first hand knowledge or direction to an article covering this procedure willbe greatly appreciated.     Jim

hydrolastic suspension recharge - Mini Mania

www.minimania.com/msgThread/.../1/.../hydrolastic_suspension_recharg...
 
Sep 21, 2012 - hydrolastic suspension recharge. Created ... This fills the hoses and displacers full of fluid, they end up at atmospheric pressure. ... Then you can continue filling with the grease gun pump to bring them up to working pressure.

    bad guy ..

                            S-IkF4_iGBY

   

 Posted: Jul 24, 2015 04:04PM
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Does anyone here have a detailed discription for pumping up the hydro. suspension on a 1965 Cooper S, using a converted grease gun hand pump?    I can't seem to totally evacuated the systen and therefore air is traped this happened on the right side also but when I opened the hose at the front bellows the air escaped and everthing was OK.    Right side seems to be fine but the other (left) is impossible to stop getting air trapped.     Any first hand knowledge or direction to an article covering this procedure willbe greatly appreciated.     Jim