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Starter Clunks – Not turning
Having an issue with our 2000 XLII-45 Vulcan Entertainer. Recently our starter would spin and not engage, then after a few tries it would engage to start the bus, Now it just clunks/grinds. I have replaced all 4 batteries and replaced most all the battery cables. I would just replace the starter but can not figue out how to get the starter off nor can I find any videos/instructions anywhere. I would have the bus towed to a shop but unfortunatley where we are parked I had to jockey the bus in with multiple short back and forth movements. We are getting 14.1 V on the selonoid but only 12.9V on the other side when the key is engaged. At the selonoid relay in the breaker box we are getting a constant 24.4V then the other leg is 14.8 when key is engaged. (is this normal)
Question here is…..
Is there a way to jump the starter to engage the pinion gear or
Is there a video anywhere showing the steps of replacing the starter.
I have approx 4 days to get the bus back running and moved before the snow storm hits and I can not move it.
Any thoughts…..
Thank you
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15 Replies
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If it has the old delco starter it is very heavy it will take two people to get it out and it may have to come out the top and out the side engine door usually , one person under the bus and one in side engine bay , take pics of the wires and do not let wires touch anything they are hot ,tape wires up with rags after you take them off so they can not arc on any thing, and tape rubber or rags to wrenches that you will use for the wires , there are three bolts that attach the starter to the engine the bottom two are easy the top one where the soleniod is not so easy to get out . Here’s a pic of the kind of wrench I use for the top bolt or you can use for all three, the wrench
in the picture is the kind I use check the size of bolt ,it’s what I had in house -
Peter what was that wrench desinged to do , I have repoed several Snap On trucks that had to be inventory and havent see this type ?
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It fits the bolt style that holds on the starter on a Detriot motor, I have a full set of them in Metric and SAE
Smart ass answer. ( it was made to take bolts out) -
check that starter is tight to block. not unusal for bolts to loosen up. Also ck cables for loose connections. These are easy check. Smack starter with hammer in case of need of emergency starting situation=Loosens stuck brushes sometimes. All part of trouble shooting/
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90% chance its the soleniod on the starter the wires or the insides of it!!
Great points Bob … -
Thank you – now the search is on to find a snap on Rep.
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The hammer blow worked once to get it home, Thought I could handle replacing a starter but the bolts are oxide and not breaking free. The hammer trick is no longer working. Hopefully with that snap on tool it will give the leverage needed to break free that last bolt. Thank you for the helpful information.
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You don’t need that wrench you can use a box end wrench from snap on also if it will go on , I think 12 point will work too, you can also use a socket but it is hard to get it on and take bolt out because of the solenoid in the way but you might be able to break it lose that way if you can get socket on the bolt try some different wrenches or sockets first before you buy that wrench from snap on . I think you could also take the solenoid off first then the bolt would be easy for you to get off , I have never done it that way but might work for you need to see starter first to know . When you replace it replace it with the Mitsubishi starter from prevost it’s much lighter and better and is what the newer coaches come with
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It seems you have half the voltage to start the bus,hence the starter spin but no engagement,are these not 24 volt systems. I don’t advise crossing 24 volt anything . You will weld whatever your using
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Josh and Dan says how would Peter know about these wrenches, he’s never used
one. The reason the wrench was in the house is because it is Trina’s.Peter, I’m just posting what Josh and Dan told me. I’m having fun at Jeff’s right now
in the 17 degree weather.Michael
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They only say that so Trina will keep sending goodies for them to eat in the mail. !!!!!!
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hey buddy, do I hear Trina calling you. Think she said get off that forum and get back to work.
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That’s right Peter. They really liked the scones.
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tskrodzki
When you work on this, be sure to remove or cover with tape all rings, watch bands, bracelets and the like.
Although this low voltage will not usually pass through your skin and shock you, there is lots of amperage available which will travel quite well through any conductor, of which gold is almost the best. This will get extremely hot! and may result in the amputation of whatever is inside the ring, bracelet, etc.; such as your finger, hand, etc.
Be careful.
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Just to be safe shut off the batteries and remove the ground cables. It is a good idea to remove the ground cables periodically anyway because they are in a spot where they are likely to get road spray and corrosion so pulling them all and cleaning them before putting them back is a good thing.
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