C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

starter clicking question

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Old Oct 19, 2008 | 02:43 AM
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Default starter clicking question

after doing a clutch job i have had the strangest thing happen. the starter isn't firing

battery is at 13v

solenoid clicks when the key goes to start. it engages the flywheel as you can hear it unclick when you try to start it, let off, then turn the motor with a breaker bar.

engine spins free, clutch is not grabbing.

the two big cables go where? the FSM isn't specific but i'm guessing 12v of some sort. one is a fused link the other a 4ga cable. i need to test these, anyone know where they go? i have the feeling i knocked something loose when i pulled the transmission. i know the small lead clicks the solenoid to engage. tomorrow i'm going to crawl under there and see what i can find. i humbly welcome ideas on this.
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Old Oct 19, 2008 | 07:36 AM
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Originally Posted by racebum
after doing a clutch job .
Did you reconnect the neg cable to one of the bell housing bolts?

Otherwise your ground path is through the engine block back to the batt
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Old Oct 19, 2008 | 10:10 AM
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Originally Posted by racebum
after doing a clutch job i have had the strangest thing happen. the starter isn't firing

battery is at 13v

solenoid clicks when the key goes to start. it engages the flywheel as you can hear it unclick when you try to start it, let off, then turn the motor with a breaker bar.

engine spins free, clutch is not grabbing.

the two big cables go where? the FSM isn't specific but i'm guessing 12v of some sort. one is a fused link the other a 4ga cable. i need to test these, anyone know where they go? i have the feeling i knocked something loose when i pulled the transmission. i know the small lead clicks the solenoid to engage. tomorrow i'm going to crawl under there and see what i can find. i humbly welcome ideas on this.

What engine spins free?
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Old Oct 19, 2008 | 11:52 AM
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Did you forget to put a shim between the starter & the bell housing. It would cause a binding situation.
Perhaps you need to add a shim.
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Old Oct 19, 2008 | 01:44 PM
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Originally Posted by 7thvet
Did you forget to put a shim between the starter & the bell housing. It would cause a binding situation.
Perhaps you need to add a shim.
That is where I was going. If the OP is getting a "zing" than the starter is not engaging the flywheel. If the starter is spinning you have nailed it I would say
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Old Oct 19, 2008 | 03:31 PM
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grounds were ran to the bellhousing

engine spins free means the clutch isn't binding

the shim idea could be something. however, same flywheel, same starter it sounds like the gear is poping out but there is no power to turn the starter. i wish i had a zing, i just have a dead battery sounding click.

where do those two wires on the starter go anyway? i know the small one is switched to the ignition but how about the two wires on the larger post?

Last edited by racebum; Oct 19, 2008 at 04:26 PM.
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Old Oct 19, 2008 | 05:49 PM
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Originally Posted by racebum
where do those two wires on the starter go anyway? i know the small one is switched to the ignition but how about the two wires on the larger post?
I know at least one of them directly originates from the battery. They are hot at all times.
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Old Oct 19, 2008 | 07:42 PM
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you probably wore out one of the brushes in the motor.
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Old Oct 19, 2008 | 07:46 PM
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Originally Posted by racebum
grounds were ran to the bellhousing

engine spins free means the clutch isn't binding

the shim idea could be something. however, same flywheel, same starter it sounds like the gear is poping out but there is no power to turn the starter. i wish i had a zing, i just have a dead battery sounding click.

where do those two wires on the starter go anyway? i know the small one is switched to the ignition but how about the two wires on the larger post?
Well... if you are just getting a click and you know you have good battery than you have a bad connection of solenoid. Thats it so check your connections and charge an if it isn't that pull the starter and bring it with you for a bench test and grab a new one if it fails.
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Old Oct 19, 2008 | 08:57 PM
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I have a 94 that has started doing the same thing as quoted in the above post. It doesn't do it all the time though. I thought I was going to have to call a wrecker in town the other day but it finally turned the engine over. The starter doesn't seem to be dragging when it works properly. The car has never had anything done to it since I've had it.
Any ideas on this one?
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Old Oct 19, 2008 | 09:08 PM
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Sounds like you need a new starter solenoid, which can be replaced easily for a lot less than the cost of a new starter. It's only held on by a couple of screws.

Basically, if the starter is clicking, then you are getting voltage to it. Use an aligator clip and a volt meter to verify battery voltage right at the solenoid. If there is plenty of voltage, and the connection is tight and clean, pull the starter and replace the solenoid.

Originally Posted by gforce Vette
I have a 94 that has started doing the same thing as quoted in the above post. It doesn't do it all the time though. I thought I was going to have to call a wrecker in town the other day but it finally turned the engine over. The starter doesn't seem to be dragging when it works properly. The car has never had anything done to it since I've had it.
Any ideas on this one?
Starter solenoid. Quick repeated turns of the key sometimes get's it to crank.

Last edited by 86PACER; Oct 19, 2008 at 09:14 PM.
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Old Oct 19, 2008 | 09:12 PM
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Thanks Pacer, I'll try that. I was getting ready to buy a new starter.
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Old Oct 19, 2008 | 10:51 PM
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Actually, just because 12+ volts exist at the starter selenoid doesn't mean the amperage needed to turn the starter is available.

One classic problem which can occur is corrosion between the wire and the end-fittings, reducing the strands available to carry the amperage through to the end-fitting and thus the starter.

When this happens, voltage can still get through, but amperage cannot.

This can happen with both the positive and negative cables (albeit more often with the positive).

Before replacing any parts, suggest trying a test to rule-out the positive battery cable -- CAREFULLY, connect a jumper cable to the starter bolt where the battery cable was connected, and then to the battery's positive post and then try to start the engine like normal with the ignition key.

Similiarly, perform the same test with the battery cable to the block to rule-out the negative cable.
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Old Oct 19, 2008 | 11:12 PM
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the connections sound like my problem. i just picked up a reman starter, not that that is any promise of it working. this happend a few weeks ago when it did what the guy above stated. it clicked, clicked, then started. i feel a wire problem that is limiting current. i assume that big *** 4ga lead is 12v?
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Old Oct 20, 2008 | 12:02 AM
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Measure the battery terminal voltage during an attempted crank. The battery voltage must not fall below 9.0 volts or you have a discharged battery, poor battery cable connections to the battery, or a battery at the end of its life (no matter how old). You can tell the state of charge of the battery by measuring its no load voltage at its terminals. 12.0 volts and below, discharged (charge it up overnight). 12.9 volts and above, fully charged. If your dash lights go out when you hear the starter solenoid click, then you have poor cable connections to the battery. Clean the cable lugs, bolts, and the battery terminals.
Another reason why you hear the solenoid click but no cranking is due to the condition of the large contacts inside the starter that are forced together at the end of the solenoid stroke and these contacts switch current to the starter motor. These contacts get pitted and blackened and must make good low resistance connection to pass the 100+ amps to the starter motor. If you can hit, "crank", many times and the starter eventually cranks, then you need to replace these contacts as they are worn.
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Old Oct 20, 2008 | 02:27 AM
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i think i found my problem

what do you guys think

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Old Oct 20, 2008 | 06:13 AM
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Could have saved a lot of typing by just looking at it first
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Old Oct 20, 2008 | 03:39 PM
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Originally Posted by Iroc57
Could have saved a lot of typing by just looking at it first
tell me about it ! i spent two hours testing things before i had this idea of testing the main lead. when i noticed there was no voltage i tracked it down.

yes, i know what i'm doing, really LOL
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Old Oct 20, 2008 | 09:20 PM
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Originally Posted by racebum
i assume that big *** 4ga lead is 12v?
Yes, it should run from the battery's positive terminal to the starter and conducts 12vDC positive voltage to the starter.

There is a similiar (albeit thinner -- 6-8 gauge) black wire from the battery's negative post to the bell-housing driver side to conduct the negative voltage back to the battery from the engine.
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