Quick Question, Gasket sealer on.....

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   Replacing a circ pump on my nautique, my new one should be here from DIM any day now.  Should I use a  gasket sealer on the gasket?

You should see the condition of the one I pulled off, must've been original, the bearings are beyond shot.

Also, the backing plate on the old pump, does the new pump come with that plate?

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Mark Mel Members Profile Send Private Message Find Members Posts Add to Buddy List Gold Member Joined: September-16-2005 Location: United States Status: Offline Points: 583	Post Options Post Reply Quote Mark Mel Report Post Thanks(0) Quote Reply Topic: Quick Question, Gasket sealer on..... Posted: July-30-2007 at 1:34pm
	Replacing a circ pump on my nautique, my new one should be here from DIM any day now. Should I use a gasket sealer on the gasket? You should see the condition of the one I pulled off, must've been original, the bearings are beyond shot. Also, the backing plate on the old pump, does the new pump come with that plate?
	1978 Nautique FBook - www.facebook.com/charliedontsurfct

nuttyskier2002 Members Profile Send Private Message Find Members Posts Add to Buddy List Gold Member Joined: September-28-2005 Location: United States Status: Offline Points: 669	Post Options Post Reply Quote nuttyskier2002 Report Post Thanks(0) Quote Reply Posted: July-30-2007 at 4:20pm
	Mark, is your engine a Small Block Ford? If I remember correctly, there is no plate on the rear of the 351W Ford pump. When you pull the pump, the impeller is exposed, right? The timing cover contains the cavity that houses the impeller once the pump is mounted. I believe this is correct. May need another CC engine guy to chime in and say for sure. You can use some RTV on the gasket but is is not necessary. I like Ultra Blue. It's the best stuff I've ever used. Brian
	95 Malibu Echelon w/Mercruiser 350 Magnum Skier Former boats: 88 Ski Centurion Tru Trac II 59 Chris Craft Capri (woody)

Mark Mel Members Profile Send Private Message Find Members Posts Add to Buddy List Gold Member Joined: September-16-2005 Location: United States Status: Offline Points: 583	Post Options Post Reply Quote Mark Mel Report Post Thanks(0) Quote Reply Posted: July-30-2007 at 4:24pm
	Hmmm, It is a 351w. There was a plate on the back of the pump and the pump is marked Ford in an oval. I took the plate off to try and see the inside of the pump and it's failed componants.
	1978 Nautique FBook - www.facebook.com/charliedontsurfct

nuttyskier2002 Members Profile Send Private Message Find Members Posts Add to Buddy List Gold Member Joined: September-28-2005 Location: United States Status: Offline Points: 669	Post Options Post Reply Quote nuttyskier2002 Report Post Thanks(0) Quote Reply Posted: July-30-2007 at 5:07pm
	Okay, maybe I've got my engines confused. Sorry for the misinformation. You can always call Discount Inboard Marine. They are very knowledgeable with that engine.
	95 Malibu Echelon w/Mercruiser 350 Magnum Skier Former boats: 88 Ski Centurion Tru Trac II 59 Chris Craft Capri (woody)

JoeinNY Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: October-19-2005 Location: United States Status: Offline Points: 5693	Post Options Post Reply Quote JoeinNY Report Post Thanks(0) Quote Reply Posted: July-30-2007 at 7:00pm
	Yeah Nutty is a little nutty in this case. We should all have the problem of confusing our various inboard engines.. The new pump will come with that plate probably already installed. Your going to want to silicone (ultra blue is fine and readily available) at least around the water passages. I usually apply a thin even layer with a putty knife to the pump and the timing cover and then sandwhich the gasket inbetween. Make sure you clean up the timing cover well, the pcm cast iron ones are prone to corrosion near the water passages. I had to use some epoxy to rebuild mine around one of the water passages last time because it was badly corroded
	1983 Ski Nautique 2001 1967 Mustang 302 "Decoy" Holeshot Video

Mark Mel Members Profile Send Private Message Find Members Posts Add to Buddy List Gold Member Joined: September-16-2005 Location: United States Status: Offline Points: 583	Post Options Post Reply Quote Mark Mel Report Post Thanks(0) Quote Reply Posted: July-30-2007 at 7:05pm
	Thanks Joe. Now if I can remember which bolt came from which hole as they all were different sizes.
	1978 Nautique FBook - www.facebook.com/charliedontsurfct

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: 1334	Post Options Post Reply Quote The Dude Report Post Thanks(0) Quote Reply Posted: July-31-2007 at 2:19am
	My buddy has a 95 Mastercraft with the 350 Indmar. It's making a horrible high pitch squeel when it first starts (like a loose belt), but then it goes away. I'm thinking it's the circulation pump bearings going. Does that sound right to you guys? Any other possibilities?
	Mullet Free since 93 95 Sport

backfoot100 Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: January-03-2007 Location: United States Status: Offline Points: 1897	Post Options Post Reply Quote backfoot100 Report Post Thanks(0) Quote Reply Posted: July-31-2007 at 11:47am
	The Dude; What kind of shape is the belt in (cracks, glazing, belt dust, etc.)? Second, is the belt tight? If the belt is good, try removing it and then spin the circulation pump pulley by hand and see if there is any resistance or rough spots. Also verify that there is no play in the pulley if you try to move it around (in/out or side/side).
	When people run down to the lake to see what's making that noise, you've succeeded. Eddie

Quick Question, Gasket sealer on.....

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