Water leak and intake


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army retired
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Water leak and intake

Post by army retired » Sat Mar 14, 2020 10:57 am



I seem to have a cold weather leak somewhere around the thermostat, but can’t see in there good. How hard is it to remove intake?



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1goldwingnut
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Re: Water leak and intake

Post by 1goldwingnut » Sat Mar 14, 2020 12:18 pm

The first time I did it took about ten hours to take it apart and back together. Watch the tutorials on this site as you go. Might need some long screwdrivers and long hose pliers.

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ct1500
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Re: Water leak and intake

Post by ct1500 » Sat Mar 14, 2020 3:38 pm

Leave the intake alone for now. The proper way to find a leak is to pressurize the cooling system and visually see where it is seeping. The only way to get an eye on things is with fan(s) removed and inspection mirror. Do not open cooling system before pinpointing leak(s) or you will be doing the job again. :(
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minimac
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Re: Water leak and intake

Post by minimac » Sat Mar 14, 2020 4:04 pm

The most common leakage is from the various hoses and clamps. That's where I would start, if it isn't really obvious. For some reason the clamps lose tension over the years

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1goldwingnut
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Re: Water leak and intake

Post by 1goldwingnut » Sat Mar 14, 2020 7:20 pm

Ct1500 has the best way to troubleshoot it.

army retired
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Re: Water leak and intake

Post by army retired » Sun Mar 15, 2020 10:05 am

I had found a couple of clamps loose and replaced them but still leaks I will try pressure tester. Will the one from parts store work that you can borrow?

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ct1500
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Re: Water leak and intake

Post by ct1500 » Sun Mar 15, 2020 3:09 pm

army retired wrote:
Sun Mar 15, 2020 10:05 am
Will the one from parts store work that you can borrow?
I would guess no. I use an OTC pressure tester for the bikes albeit a little finicky.
The next best way is to start it up while fans are out watching the temp gauge. Do not let the gauge go up past half-way then shut down, the system will be fully pressurized to leak check. Make sure the coolant level is adequate in the radiator (not the recovery tank) prior to starting (inch or two below filler neck).
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Rambozo
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Re: Water leak and intake

Post by Rambozo » Sun Mar 15, 2020 5:05 pm

army retired wrote:
Sun Mar 15, 2020 10:05 am
I had found a couple of clamps loose and replaced them but still leaks I will try pressure tester. Will the one from parts store work that you can borrow?
Take your radiator cap so they can match up the right adapter.

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newday777
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1975 CB750 K5 Planet Blue 7,800 miles

1976 CB750 K6 Anterris Red 25,000 miles

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1999A Restored from PO neglect & sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Water leak and intake

Post by newday777 » Sun Mar 15, 2020 6:24 pm

O rings #9 are a leak point that will have antifreeze going up and over the timing cover. I had one on a wing last week that I replaced because of a hard to find leak. If #4 wiggles at all, it will leak when the motor cools down in cool weather.

army retired
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Re: Water leak and intake

Post by army retired » Sun Mar 15, 2020 10:37 pm

That is about the area mine seems to be coming from. I don’t know where these #9 and # 4 Orings are located.

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newday777
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Location: Milford NH summer/fall & Oceanside, CA winters(N San Diego) with lots of miles riden between
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1983 GL1100A Wineberry 36,000 miles

1975 CB750 K5 Planet Blue 7,800 miles

1976 CB750 K6 Anterris Red 25,000 miles

Past rides
1999A Restored from PO neglect & sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Water leak and intake

Post by newday777 » Sun Mar 15, 2020 10:41 pm

In the front of the cyl. head.

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minimac
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Re: Water leak and intake

Post by minimac » Thu Mar 19, 2020 8:02 am


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minimac
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Re: Water leak and intake

Post by minimac » Thu Mar 19, 2020 8:04 am

This may be a bit more helpful:
https://www.babbittsonline.com/oemparts ... water-pump

There are other diagrams you can pull up and look at, too.

army retired
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Re: Water leak and intake

Post by army retired » Thu Mar 19, 2020 9:37 am

Thanks that helped give me a better idea where to look. Got me a tester and going to check it today.

army retired
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Re: Water leak and intake

Post by army retired » Thu Mar 19, 2020 9:12 pm

Ok friends done my pressure test today and appeared to be leaking from thermostat cover. Finally got in there to it and now have a broken bolt. Any ideas on getting stud out? About 1/4 of it sticking up from housing. Sprayed it and letting it sit over night. If I have to remove housing how hard is it and what does it take?

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newday777
Posts: 1546
Joined: Tue Jan 11, 2011 5:21 pm
Location: Milford NH summer/fall & Oceanside, CA winters(N San Diego) with lots of miles riden between
Motorcycle: 2008 Cabernet Red. Level 4

1983 GL1100A Wineberry 36,000 miles

1975 CB750 K5 Planet Blue 7,800 miles

1976 CB750 K6 Anterris Red 25,000 miles

Past rides
1999A Restored from PO neglect & sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Water leak and intake

Post by newday777 » Thu Mar 19, 2020 10:36 pm

army retired wrote:
Thu Mar 19, 2020 9:12 pm
Ok friends done my pressure test today and appeared to be leaking from thermostat cover. Finally got in there to it and now have a broken bolt. Any ideas on getting stud out? About 1/4 of it sticking up from housing. Sprayed it and letting it sit over night. If I have to remove housing how hard is it and what does it take?
Broken before you got to it?

Here is a list of thermostat and rubber gasket while in there.

https://www.goldwingfacts.com/threads/t ... 00.346413/

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newday777
Posts: 1546
Joined: Tue Jan 11, 2011 5:21 pm
Location: Milford NH summer/fall & Oceanside, CA winters(N San Diego) with lots of miles riden between
Motorcycle: 2008 Cabernet Red. Level 4

1983 GL1100A Wineberry 36,000 miles

1975 CB750 K5 Planet Blue 7,800 miles

1976 CB750 K6 Anterris Red 25,000 miles

Past rides
1999A Restored from PO neglect & sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Water leak and intake

Post by newday777 » Thu Mar 19, 2020 10:41 pm

Here is how to get to the thermostat.




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Rambozo
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Re: Water leak and intake

Post by Rambozo » Thu Mar 19, 2020 11:32 pm

army retired wrote:
Thu Mar 19, 2020 9:12 pm
Ok friends done my pressure test today and appeared to be leaking from thermostat cover. Finally got in there to it and now have a broken bolt. Any ideas on getting stud out? About 1/4 of it sticking up from housing. Sprayed it and letting it sit over night. If I have to remove housing how hard is it and what does it take?
What does it take to remove? Patience! they are all different. But heat is almost universal, when all else fails.

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ct1500
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Re: Water leak and intake

Post by ct1500 » Sun Mar 22, 2020 6:49 am

army retired wrote:
Thu Mar 19, 2020 9:12 pm
Ok friends done my pressure test today and appeared to be leaking from thermostat cover. Finally got in there to it and now have a broken bolt. Any ideas on getting stud out? About 1/4 of it sticking up from housing. Sprayed it and letting it sit over night. If I have to remove housing how hard is it and what does it take?
The thermostat outlet where your leak was is plastic and tends to warp so that should be replaced now. Heat from a torch will be required for the removal of whats left of the bolt. If the thermostat housing needs removal get the required O rings for both ends of the pipes that connect to housing. Undo bolts and carefully pry housing forward to disengage pipes without wiggling pipes too much, which will cause leaks at the joint of other end. Do not attempt to reuse O rings or you will be back doing it again.
Local and need repair help with your 1500, Valkyrie or ST please click contact
Nothing leaves my shop till its' perfect
This is what I do

army retired
Posts: 9
Joined: Fri Mar 13, 2020 5:11 pm
Location: OBION tn
Motorcycle: 1992 gl1500 aspencade

Re: Water leak and intake

Post by army retired » Sun Mar 22, 2020 11:50 am

Thanks for the information. I finally got the broken bolt out. Have ordered new cover and thermostat. Gasket was very old and black and hard. Cover did look a little warped. Hopefully this will fix it.

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newday777
Posts: 1546
Joined: Tue Jan 11, 2011 5:21 pm
Location: Milford NH summer/fall & Oceanside, CA winters(N San Diego) with lots of miles riden between
Motorcycle: 2008 Cabernet Red. Level 4

1983 GL1100A Wineberry 36,000 miles

1975 CB750 K5 Planet Blue 7,800 miles

1976 CB750 K6 Anterris Red 25,000 miles

Past rides
1999A Restored from PO neglect & sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Water leak and intake

Post by newday777 » Sun Mar 22, 2020 11:58 am

Good to hear you got the bolt out. Did you use visegrips?

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in2it
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1980 GL1100 Bobber with Vance and Hines Headers/Mufflers
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1972 CB 350
1975 CB 550 4 with Dunstall headers and mufflers
1978 GL 1000

Re: Water leak and intake

Post by in2it » Sun Mar 22, 2020 2:03 pm

Hopefully the bolt wasn't to hard to back out

army retired
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Re: Water leak and intake

Post by army retired » Sun Mar 22, 2020 6:30 pm

Let it soak overnight with wd40 heated it with torch and used vise grips.



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