starter is chattering when trying to crank
10-02-2014, 01:50 AM
#1
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starter is chattering when trying to crank So i just finished building my first 2002 ls1 camaro. I try cranking it over and it chatters doesnt bother giving a normal start... I checked all my grounds and positives and still does the same thing. Took the starter to get check to see if the celiniod was bad and it ended passing. Any ideas what it can be
10-02-2014, 10:24 AM
#2
Either not enough juice or too much resistance.
Did you check the battery? A fully charged battery will read around 13-14 volts. A battery that reads closer to 12 volts is not fully charged.
Can you turn the engine over by hand? You might have something going on there. In that case, my next move would be to remove the spark plugs(removing all compression) and see if it will turn over then.
There is always the chance that the person that tested your starter didn't do it right. And an outside chance of:
Clutch stuck/not disengaging(if a stick, take the transmission out of gear)
Clutch/flexplate/converter(if auto) wasn't quite on right and got hung up when you tightened the bellhousing/transmission on resulting in effectively locking the motor up
How in-depth was your "build" and what mods were made?
Did you check the battery? A fully charged battery will read around 13-14 volts. A battery that reads closer to 12 volts is not fully charged.
Can you turn the engine over by hand? You might have something going on there. In that case, my next move would be to remove the spark plugs(removing all compression) and see if it will turn over then.
There is always the chance that the person that tested your starter didn't do it right. And an outside chance of:
Clutch stuck/not disengaging(if a stick, take the transmission out of gear)
Clutch/flexplate/converter(if auto) wasn't quite on right and got hung up when you tightened the bellhousing/transmission on resulting in effectively locking the motor up
How in-depth was your "build" and what mods were made?
10-02-2014, 01:18 PM
#3
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Either not enough juice or too much resistance.
Did you check the battery? A fully charged battery will read around 13-14 volts. A battery that reads closer to 12 volts is not fully charged.
Can you turn the engine over by hand? You might have something going on there. In that case, my next move would be to remove the spark plugs(removing all compression) and see if it will turn over then.
There is always the chance that the person that tested your starter didn't do it right. And an outside chance of:
Clutch stuck/not disengaging(if a stick, take the transmission out of gear)
Clutch/flexplate/converter(if auto) wasn't quite on right and got hung up when you tightened the bellhousing/transmission on resulting in effectively locking the motor up
How in-depth was your "build" and what mods were made?
Did you check the battery? A fully charged battery will read around 13-14 volts. A battery that reads closer to 12 volts is not fully charged.
Can you turn the engine over by hand? You might have something going on there. In that case, my next move would be to remove the spark plugs(removing all compression) and see if it will turn over then.
There is always the chance that the person that tested your starter didn't do it right. And an outside chance of:
Clutch stuck/not disengaging(if a stick, take the transmission out of gear)
Clutch/flexplate/converter(if auto) wasn't quite on right and got hung up when you tightened the bellhousing/transmission on resulting in effectively locking the motor up
How in-depth was your "build" and what mods were made?
Im able to turn the motor over by hand. I took the starter of and turned it over and still chatters while its of i checked all my positives but havent checked all my grounds
10-02-2014, 02:54 PM
#4
Well the starter grounds through the mounting to the motor, motor grounds to frame and/or battery, etc...so maybe grounding is your problem. If you have the starter off, ground the body of it real good to the battery if you can and see what happens. It doesn't cost you anything to buy a new starter at the parts store and try it..they'll take it back if that isn't it. May be worth trying it if you don't find anything promising with the grounds. Did you check to see how many volts you have at the battery?
10-02-2014, 07:20 PM
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Well the starter grounds through the mounting to the motor, motor grounds to frame and/or battery, etc...so maybe grounding is your problem. If you have the starter off, ground the body of it real good to the battery if you can and see what happens. It doesn't cost you anything to buy a new starter at the parts store and try it..they'll take it back if that isn't it. May be worth trying it if you don't find anything promising with the grounds. Did you check to see how many volts you have at the battery?
10-03-2014, 05:55 AM
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Found out my problem was a ground problem. The big black wire was not connected to the block so it wasn't competing the full circuit due to that ground wire. But thanks for the help got it to turn over and start right up...Now to the tune shop next week see what numbers i hit