Cranking problem

Tiny
MICK1212
  • MEMBER
  • 2006 HOLDEN ASTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 123,500 MILES
The battery reads 12.2 average and drops to 11.8 on cranking. When you apply a booster pack away she goes. Could cranking amps from the battery or a crook relay be the drama? Cheers, Mick
Sunday, April 24th, 2011 AT 4:09 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
A good battery reads 12.8 volts, your's is on the low side-have it load tested won't hold 9.6 volts in 10secs its no good-also load test the starter motor-

Here are guides to help

https://www.2carpros.com/articles/starter-not-working-repair

and

https://www.2carpros.com/articles/car-battery-load-test

Please run down these guides and report back.
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Sunday, April 24th, 2011 AT 7:00 AM
Tiny
OIDAVEY
  • MEMBER
  • 0 POST
Thank you for this post I had this problem and had to get a new battery cost me $132.00 I love this site.
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Wednesday, October 2nd, 2019 AT 10:15 AM
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2006 HOLDEN ASTRA
  • 74,500 MILES
Hi I have a 2006 holden astra auto and it wont turn over all eltrics work fine lights air con dc player radio windows everything but the car wont turn over was running fine PLEASE HELP

Thanks
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Wednesday, October 2nd, 2019 AT 10:15 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
A weak/bad battery can have suficient power for most of the electrical components except for the starter.
Do you hear any clicking noise from the starter when trying to start?
Have you tried a jump start?
Is the security light (if equipped ) in dash blinking while you are trying to crank engine?
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+1
Wednesday, October 2nd, 2019 AT 10:15 AM (Merged)
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Have you checked the fuses and/or relays to the starter solenoid?
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Wednesday, October 2nd, 2019 AT 10:15 AM (Merged)

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