Oil light does not go off after oil change. - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 15 (permalink) Old 09-11-2005, 01:17 PM Thread Starter
 
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Unhappy Oil light does not go off after oil change.

Dear group,

I'm a new VN 750 2005 owner. I just did my first oil change using the Kawasaki recommended filter and oil. The oil gauge is right in the middle after a couple of minutes of warm up. However the light does not go off. I'm puzzled and some what scared that I did something wrong.

Need some help or advice.

Thanks in advance!
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post #2 of 15 (permalink) Old 09-11-2005, 06:08 PM Thread Starter
 
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Thumbs up Re: Oil light does not go off after oil change.

The problem went away after 10 minutes or so of driving.

VN750 2005
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post #3 of 15 (permalink) Old 09-11-2005, 08:32 PM
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Re: Oil light does not go off after oil change.

Running the bike for 10 minutes with the oil light on while riding is not good. I always prime my oil filter (by repeatedly pouring oil in it after letting it set between pours) before putting it on because it takes too long for the light to go out otherwise. If I donít prime the filter that way, I have to loosen the filter, start the bike until oil is spraying out around the filter and quickly tighten it (very messy). If neither one is done, my oil light doesnít seem to go out either (only run it for a few seconds, like that though).

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post #4 of 15 (permalink) Old 09-11-2005, 10:22 PM Thread Starter
 
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Unhappy Re: Oil light does not go off after oil change.

Thanks, I'll do that next time! Guess I missed that when I was reading the manual!
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post #5 of 15 (permalink) Old 09-11-2005, 10:25 PM Thread Starter
 
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Thumbs up Re: Oil light does not go off after oil change.

It seemed that long (10 minutes) since I was so worried/nervous looking at the light... I took the same route again and it was less than 2 minutes... Regardless I'll follow your advice!


Thanks!!!
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post #6 of 15 (permalink) Old 09-11-2005, 11:36 PM
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Re: Oil light does not go off after oil change.

I would be asking my dealer's mechanic about that. I believe the oil light should turn off the moment you start the engine, oil change or no oil change. It's possible the oil pressure sensor sending unit is acting up.

Dan - Seattle
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post #7 of 15 (permalink) Old 09-21-2005, 01:24 PM
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Re: Oil light does not go off after oil change.

What oil filter did you use? Some brands use cheap material in the anti flow back valve and sometimes they stick, preventing oil from flowing. Get one of the brands recommeded elsewhere in the forum.The light should go out immediately after the bike starts. I'd suggest you do another oil change right now. Running the engine without sufficient oil pressure will leave lots of metal in the oil. Remove the drain plug, reach in and carefully pull out the washer, spring and screen. Clean the screen off with paint thinner, let it dry and put it back in followed by the spring and washer (or is it washer then spring? Check when you take it apart so you can put it back together correctly) First thing you do is set the filter back into the box it came in so it'll stand up while you fill it. Fill it up and let it sit until that oil soaks into the element. The level will drop and you can add some more. Repeat until it won't take anymore, but leave the oil level in the filter about an inch from the top. That's so it won't spill when you put it on. Put some aluminum foil over the starter to protect it from oil and take off the old filter. Screw on the new filter, fill it up until there's just a bit of a bubble showing in the window and you should be good to go. If the light doesn't go off within a couple of seconds now, you probably should ask the dealer about it.

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post #8 of 15 (permalink) Old 09-21-2005, 02:59 PM
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Re: Oil light does not go off after oil change.

I have a little procedure of my own which I follow when I change my oil & filter. First (after warming engine up) I drain the oil & let it drip for 10 minutes or so. After cleaning the oil screen & replacing it along with the plug I refill with fresh oil up to the top mark on the level window. Only when I have done this do I remove the filter & replace it with a new Kawasaki one. I place a quantity of rag over the starter motor to keep the mess to a minimum. After this I start the engine & the oil light always goes out after a couple seconds. I run the bike for a couple of minutes to check for leaks then stop it & recheck the oil level, it usually needs a small top-up. This may sound like a weird procedure but my theory is that this will help the oil pump stay primed throughout the oil change, therefore minimising the amount of time that the engine runs with low pressure. Leaving the filter in place until the sump is refilled will create a vacuum that will stop the pump from draining. I know that the little bit of oil left in the pump will be old oil but then again, if the oil is changed regularly, it should not be of concern. My 1993 VN750 A9 has done over 70,000 miles now so that is proof enough to me that I must be doing something right. I never need to top up the oil between changes so I hope the engine will be good for a good many more miles yet. The only major failure I have had on this bike is the final drive/driveshaft spline problem which occured at 18,000 miles. I don't suppose I need to remind many of you about the importance of regularly greasing the splines! I learned the hard way & had to get another final drive unit & driveshaft. All this happened a week before I went on a 2 week tour of France & Spain.

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post #9 of 15 (permalink) Old 09-21-2005, 07:21 PM
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Re: Oil light does not go off after oil change.

Ernie, what keeps the oil from running out when you swap filters after filling the engine with new oil? Am I missing something?

Dan - Seattle
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post #10 of 15 (permalink) Old 09-22-2005, 12:30 AM
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Re: Oil light does not go off after oil change.

The oil will run out of whatever is above the filter when it is removed but the pump is between the filter & the sump & will stay primed as long as the sump contains oil.

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