Leaking crossover coolant pipe


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rrod1393
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Motorcycle: 1985 GL1200 Interstate
2000 Kawasaki Vulcan 1500 Classic

Leaking crossover coolant pipe

Post by rrod1393 » Thu May 23, 2019 6:45 pm



I am working on a friend's GL1500 who bent the valve... The valve is fixed and I put the head back on the engine. Engine runs fine now. Once I put coolant in it, I noticed a leak coming from the head. Traced it back to the left crossover coolant pipe. It has got to be the o-ring that sits in the head. It must have not seated properly when I put the head on. Is there a easier way to pull the pipe off than removing the head again? Any advice is welcomed.



FM-USA
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Re: Leaking crossover coolant pipe

Post by FM-USA » Fri May 24, 2019 10:47 pm

You're not gonna like this answer...
As far as I know, there isn't an EZ way to fix this o-ring leak.
I haven't taken a 1500 head off, yet, so I can't answer which is easier.

Saving cost.
Remove the carbs and leaking side intake, R&R the o-ring.
Vaseline for lube on ring & the port it's going to. I successfully reused the metal intake gasket by dabbing Permatex #2 on both sides. Dabbing is like printing, press straight on & straight off, this leaves a fairly equal amount over the surface. This R&R WILL test your patience, space is extremely limited! I used 2 sets of very long needle nose pliers and it felt like I was a surgeon.
You're torn down this far, how is the other side? There's 4 O-rings total.
Possible PLUS! Doing this job this way you get to check all the vac lines and cleanup the motors top deck. I found 2 sockets & 3 fasteners.

Experience.
Remove the head again, you're already familiar with the procedure & cost.

Mark the depth on the water pipe as to how deep it has to go to be seated. Frustration will cause you to think it's good enough.

I ALREADY FEEL FOR YOU, been there. Hopefully it's not 98*F... that's when I had to do it.

:? GOOD LUCK!!!

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rrod1393
Posts: 56
Joined: Wed Aug 22, 2018 3:56 pm
Location: Freehold, NJ
Motorcycle: 1985 GL1200 Interstate
2000 Kawasaki Vulcan 1500 Classic

Re: Leaking crossover coolant pipe

Post by rrod1393 » Tue May 28, 2019 10:46 am

Thanks for the reply. Ended up pulling the head off.... But not before pulling the intake manifold of which means pulling the carbs.... Total waste of time. Seems to be all good now.

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rrod1393
Posts: 56
Joined: Wed Aug 22, 2018 3:56 pm
Location: Freehold, NJ
Motorcycle: 1985 GL1200 Interstate
2000 Kawasaki Vulcan 1500 Classic

Re: Leaking crossover coolant pipe

Post by rrod1393 » Tue Jun 04, 2019 3:58 pm

And its leaking avai. Does anyone know the part number or have a link to where I can find a replacement oring? Much appreciated.

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Wing--Man
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Re: Leaking crossover coolant pipe

Post by Wing--Man » Tue Jun 04, 2019 11:03 pm

I know of these, I did not go deep into part number differences. Your year may be different part numbers.

Parts #25 #26
https://www.partzilla.com/catalog/honda ... water-pipe


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