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02-24-2009, 10:38 PM dang84119 Joined on 02-22-2009 Herriman, UT Posts 182 WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? I need to know where the weep hole is on a 79 cx500c? I have a small of coolant that runs out from what appears to be the bottom of the water pump cover. Can I replace this on the bike if it is the problem? Or can I try to carefully remove the cover and use gasket maker and try to seal it that way? "I'd rather have a bottle in front of me than a frontal lobotomy"    Report

02-25-2009, 4:35 AM gmcwayne Joined on 08-26-2008 Austin, MN Posts 208 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? google weep hole site:choppercharles.com/cs mechanical seal site:choppercharles.com/cs   Wayne 1981 GL500    Report

02-25-2009, 7:01 AM kingston73 Joined on 04-19-2008 Bellingham, MA Posts 1,722 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? Also, check out: http://globalcxglvtwins.hostingdelivered.com/viewforum.php?f=7 Read through the "In bike mech seal.." thread, if you take your carbs off you can change out the rubber part of the mech seal with the engine still in the frame.  How bad is your leak?  1979 cx500D - mostly stock    Report

02-25-2009, 9:07 AM LRCXed Joined on 05-15-2008 Sacramento, California Posts 1,670 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? dang84119, Here is where the weep hole is. You can see it if you use a flashlight and look in between the pump cover and the housing. If your going to do something, do it right, don't do it half as@*d. 78 CX500 Std, 79 CX500 project, 80 CX500C, 83 GL650I http://globalcxglvtwins.hostingdelivered.com/    Report

11-16-2009, 7:42 AM astroguy Joined on 09-24-2009 Kingston Ontario Canada Posts 141 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? Thanks very muck folks. The images with the littel WD 40 spray hose pointing out the hole are the cats ass. THis is surely a great site....thanks again. 1982 GL500I presently. Bikes I've owned.... 1971 Honda CB350 1981 Yamaha 650 Maxim 1982 Yamaha 550 Seca 1982 Yamaha 650 Seca 1981 Honda CX 500 1989 Suzuki 650 Savage. "I'm stuck in the '80s" apparently.    Report

11-16-2009, 7:54 AM Abes_CW Joined on 04-17-2007 saskatoon Posts 3,036 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? astroguy, be sure not to block this hole.  Doing so will push coolant past the oil seal and into the engine. Run it a bit, many have had leaks stop with a bit of usage. Otherwise, search for the shep in bike yamaha seal replacement here on the forum.  It's about an hour's work and $20. 1983 GL650i Had 4 CX/GL's at one point this year, down to one, next spring is another adventure! age 38 (29 plus tax)    Report

11-16-2009, 6:56 PM ScottInIowa Joined on 10-30-2007 Posts 170 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? Ditto on the 'DONT PLUG IT'. Mine was plugged by mud daubber (wasp) nests. I could have sworn it was free - snaked it out with a wire. Kept pushing coolant into the oil (lots). After removing the engine and then rear cover I found it was plugged right up by the water pump. '78 CX500 frame/79ish CX500 engine    Report

11-21-2009, 1:21 PM ismith666 Joined on 10-20-2009 Australia Posts 234 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP?? after a coolant flush and refilll, my weep hole dribbled for a few km then stopped. hopefully, it didn't block itself :-( but I'm going to change the seal when the engine is out for other jobs next month. Unitl then, 'no worries'. IanSmith666 Cx500c - 1980 (in storage in UK) CX500c - 1981 - my ride in Oz    Report

11-21-2009, 2:33 PM astroguy Joined on 09-24-2009 Kingston Ontario Canada Posts 141 Re: WHERE IS THE "WEEP HOLE" FOR THE WATER PUMP??  Abes_CW wrote: astroguy, be sure not to block this hole.  Otherwise, search for the shep in bike yamaha seal replacement here on the forum.  It's about an hour's work and $20.   I've tried to snake the hole with a wire but I'm not very confident that I'm getting fully through ....what a kooky place to put such an important engine diagnostic!! Anyways , I'm not makine oil and the oil just looks like plain oil....not green white cream scum on the top of the dip stick. Saskatoon, you mention that it's about an hours work for the in bike install of just the rubber.....have you done it yourself?   1982 GL500I presently. Bikes I've owned.... 1971 Honda CB350 1981 Yamaha 650 Maxim 1982 Yamaha 550 Seca 1982 Yamaha 650 Seca 1981 Honda CX 500 1989 Suzuki 650 Savage. "I'm stuck in the '80s" apparently.    Report

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