Draining Transmission Fluid

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   Hi, I have a 1989 Ski Nautique with a PMC model 40 transmission, I used to drain the fluid with a manual pump but reading the owners manual I saw that you can drain the fluid directly from the transmission without any pump. 

The manual says that I have to remove the oil return line at oil cooler and lower the hose below transmission, I did that but it seems that the outlet from the transmission where the hose is connected is not low enough for the fluid to go out.

Does someone knows how to do this correctly?

Thank you for any information.

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subli572 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: August-09-2005 Location: Mexico Status: Offline Points: 23	Post Options Post Reply Quote subli572 Report Post Thanks(0) Quote Reply Topic: Draining Transmission Fluid Posted: September-04-2006 at 4:01pm
	Hi, I have a 1989 Ski Nautique with a PMC model 40 transmission, I used to drain the fluid with a manual pump but reading the owners manual I saw that you can drain the fluid directly from the transmission without any pump. The manual says that I have to remove the oil return line at oil cooler and lower the hose below transmission, I did that but it seems that the outlet from the transmission where the hose is connected is not low enough for the fluid to go out. Does someone knows how to do this correctly? Thank you for any information.

eric lavine Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413	Post Options Post Reply Quote eric lavine Report Post Thanks(0) Quote Reply Posted: September-04-2006 at 4:16pm
	you forgot to fire the engine to pump it out. actually it probably doesnt say to start the engine. but over the hundreds of times that i do it on boats and our test stand it does not hurt anything, it is a real time saver. if you are doing a trans oil change add another qt or 2 and get it to op temp, remove top line put in bucket and fire engine, when oil stops coming out of hose turn off engine. the extra oil helps dilute the dirty oil increasing your chances of getting the old oil out.
	"the things you own will start to own you"

subli572 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: August-09-2005 Location: Mexico Status: Offline Points: 23	Post Options Post Reply Quote subli572 Report Post Thanks(0) Quote Reply Posted: September-04-2006 at 4:40pm
	Thank you for your answer eric, I was wondering if I should start the engine to pump the fluid out buy I was afraid of breaking down the transmission.

The Dude Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Platinum Member Joined: October-19-2004 Location: Houston Status: Offline Points: 1335	Post Options Post Reply Quote The Dude Report Post Thanks(0) Quote Reply Posted: September-04-2006 at 8:16pm
	Eric, great advice! I wouldn't have thought of this. I appreciate your help on the board in the last month.
	Mullet Free since 93 95 Sport 1978 Ski Nautique

Draining Transmission Fluid

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