Impeller Direction Question

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   Hi Guys,

My friend took out his water pump to replace the impeller and did not mark the top or bottom hose locations. How can we find out which way it is supposed to go so we dont put it in backward.

It is a 1987 Supra with a PCM 351

Thanks

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Twothousandone Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: July-10-2012 Location: Pittsburgh Status: Offline Points: 54	Post Options Post Reply Quote Twothousandone Report Post Thanks(0) Quote Reply Topic: Impeller Direction Question Posted: May-15-2013 at 1:28am
	Hi Guys, My friend took out his water pump to replace the impeller and did not mark the top or bottom hose locations. How can we find out which way it is supposed to go so we dont put it in backward. It is a 1987 Supra with a PCM 351 Thanks

8122pbrainard Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045	Post Options Post Reply Quote 8122pbrainard Report Post Thanks(0) Quote Reply Posted: May-15-2013 at 7:10am
	Tyler, Take a look at this diagram on how a flexible impeller pump works Then compare it to the rotation of your friends engine. Keep in mind that the screw on the outside of the pump body is retaining the impeller cam.
	54 Atom 77 Tique 64 X55 Dunphy Keep it original, Pete <

Twothousandone Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: July-10-2012 Location: Pittsburgh Status: Offline Points: 54	Post Options Post Reply Quote Twothousandone Report Post Thanks(0) Quote Reply Posted: May-15-2013 at 7:35am
	It has a PLD serial code on the engine so that makes it a left hand rotation correct. So standing from the stern looking to the bow the pulleys and water pump would turn counterclockwise correct?

Hollywood Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13514	Post Options Post Reply Quote Hollywood Report Post Thanks(0) Quote Reply Posted: May-15-2013 at 11:46am
	So yes you have a LH engine, same as most 89-02 Fords around here.

Tide Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: July-27-2011 Location: Georgia Status: Offline Points: 33	Post Options Post Reply Quote Tide Report Post Thanks(0) Quote Reply Posted: May-15-2013 at 11:50pm
	Great diagram.
	95 Ski GT - 40

Impeller Direction Question

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