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Old 04-30-2010, 06:20 PM   #1
dorkpunch OP
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Vulcan 1500, no oil pressure?

Long story short, a friend of mine showed up with a '99 Vulcan 1500 Classic- in buckets. Story he was told was it tipped over in a parking lot and had an engine noise after that. The owners friends shop tore it down and gave him a bid, but somehow he got his ins company to total it. Basically, we have no idea if it has anything wrong with it.

The bottom end hadnt been taken apart, but the top had. We put new rings, gaskets, seals, etc in the top and I put it back together and got it in the engine. It runs great, other than the fact that there is NO oil pressure. Crack the lines to the top- nada. Pulled out the oil pressure sensor- nada. Took off the oil filter- nada.

Any suggestions for me? My next step is to pull the side cover and clutch of and take a look see at the drive gear, which is the only part of the pump you can inspect without taking the engine BACK out and splitting the cases. The gear is on a shaft that goes through the engine case to the pump on the inside. HELP!
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Old 04-30-2010, 07:59 PM   #2
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Had a VN1600 for a couple of years, nice ride.
Never had the thing apart though, but I do know some engines need the oil pump primed if they've been sitting for a while, otherwise you can crank it over till your face is blue, still no oil pressure. I used to pack in grease between the rotor gears, then she would suck fine straight up.

Dunno if this helps you out, sorry.
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Old 04-30-2010, 08:57 PM   #3
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Was just talking to my friend, apparently this model has a plastic pump gear that can break. He says the shop he got it from checked it and said it looked okay, but it sounds like they are a trouble spot, think thats what I'll check next...
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Old 04-30-2010, 10:51 PM   #4
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I had read that also about Kawasaki using a plastic oil pump drive gear at least on the earlier Vulcans. Bad choice in materials.

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Old 05-01-2010, 04:54 AM   #5
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a part could be MISSING or improperly installed, like a gallery block off, causing total oil pressure bleed. Just a thought....
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Old 05-01-2010, 07:12 AM   #6
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I had a Suzuki with a small pin behind the gear for the oil pump. If that pin was gone the gear would just spin on the pump shaft.
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Old 05-01-2010, 08:47 AM   #7
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Quote:
Originally Posted by dorkpunch
Long story short, a friend of mine showed up with a '99 Vulcan 1500 Classic- in buckets. Story he was told was it tipped over in a parking lot and had an engine noise after that. The owners friends shop tore it down and gave him a bid, but somehow he got his ins company to total it. Basically, we have no idea if it has anything wrong with it.

The bottom end hadnt been taken apart, but the top had. We put new rings, gaskets, seals, etc in the top and I put it back together and got it in the engine. It runs great, other than the fact that there is NO oil pressure. Crack the lines to the top- nada. Pulled out the oil pressure sensor- nada. Took off the oil filter- nada.

Any suggestions for me? My next step is to pull the side cover and clutch of and take a look see at the drive gear, which is the only part of the pump you can inspect without taking the engine BACK out and splitting the cases. The gear is on a shaft that goes through the engine case to the pump on the inside. HELP!
Having owned Vulcan Nomads my money is on the oil pump gear, its a common failure
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Old 05-05-2010, 06:21 PM   #8
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Yay. From what I can tell, the oil pump gear is still a split-the-cases job, right? What exactly fails? Teeth get ripped off or something else? Should be easy to check, pull half of the side of the bike off to get to the clutch cover, pull cover and clutch, and its right there?
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Old 06-07-2010, 11:22 AM   #9
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So i popped the clutch off, sure enough the plastic gear is missing teeth on about half of the gear. I thought I read somewhere in my research that there was a steel gear replacement for this, but can't seem to find it now, anyone know anything about it?

p.s.- Just for the record, I STILL hate dealers. Figured I would have it done right the first time so I took the crankcase in to them to have them split the cases and replace the gear. They quoted my $130 in labor plus parts over the phone. Dropped it off, waited a week, hadnt heard anything so I called- they said they would talk to the mech and get back to me. TWICE. Finally come to find out the mech is GONE for the next week?! and the price more than doubled- $360 for labor. WHy cant they just get it right the FIRST TIME!?
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Old 06-07-2010, 02:55 PM   #10
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Maybe I missed something, but if you exposed the issue, why didn't you just replace it yourself? Fuck dealers!

ronayers.com for all your Kawk parts.
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Old 06-10-2010, 05:56 PM   #11
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VN1500 POG Failure

Ask an ye shall receive:

http://www.vroc.org/faq/jopg/jopg.html

This will tell you EVERYTHING you need to know about POG Failures and Replacements...

Judge will get you fixed up with parts too...
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Old 06-10-2010, 06:36 PM   #12
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At this point, i REALLY wish you hadnt shown me that.

Now that then entire engine is out and the crankcase split, with the parts already ordered. Jeez, this would have been good to know about 2 weeks ago!!!

Good info though, maybe we'll save someone in the future from having to go through this.
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Old 06-10-2010, 06:38 PM   #13
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upon further reading:

"To date, Kawasaki has repaired every Vulcan, in the United States, that has experienced a failure of the oil pump gear, whether in or out of warranty. "

Anyone know anything about how I can get Kawasaki to foot the bill?!
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Old 06-11-2010, 04:52 AM   #14
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Sorry...

As soon as I read the first post in this thread, I knew EXACTLY what the problem was, unfortunately, I was on vacation when you first posted and missed it.

All I can tell you is that if you're going to own or work on a Vulcan, join the Vulcan Riders and Owners Club. (http://www.vroc.org). There is enough knowledge and information over there to help you through.

Just be warned...if you start telling them that BBQ posts in a TechTalk forum is a bad idea...it kinda turns into Jo Momma...and the inmates can be merciless.

C.
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Old 06-11-2010, 05:39 AM   #15
Beemer Bob
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I own a 1500 Vulcan and have had to replace the clutch due to slipping. I reviewed the steel gear installation and am I wrong in thinking that the only thing keeping the gear from slipping on the shaft is Red Loktite?
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