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Crank but no start.

Tiny
RSCAUTHEN
  • MEMBER
  • 2002 CHEVROLET ASTRO
  • V8
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
I have a 2002 Suburban and it won't start. It takes a jump and cranks but won't start? I've jumped it in the past and been able to start now it won't.
Monday, January 3rd, 2011 AT 3:56 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Make sure battery has a full charge and connections are good. Will it crank without a jump, cranking is starter action.
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Monday, January 3rd, 2011 AT 4:06 PM
Tiny
RSCAUTHEN
  • MEMBER
  • 2 POSTS
It won't crank without a jump but.I can't say I've let it charge for a long time. But, the lights and radio, etc. Get juice.

Thanks for the help!
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Monday, January 3rd, 2011 AT 6:02 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Some of the national brand autostores will test the battery for you and charge it, where necessary. If you have a digital multimeter, place leads across the battery posts, everything off. A reading of 12.6 volts is a generic spec for a full charge. Leave the leads hooked up, have helper turn key to crank, how much does the voltage drop? Some specs say voltage shouldn't drop below 9.5 volts. Others say 10 volts, in that general area.
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Monday, January 3rd, 2011 AT 6:33 PM

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