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2007 Other Jeep Models battery

Tiny
D-NEV
  • MEMBER
  • 2007 JEEP
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 30,000 MILES
I have a jeep compass
the battery keeps getting corosion on the terminals
the positive terminal actualy coroded all the way apart.

I removed and replaced both terminals. Cleaned completly all parts and battery chamber. Had battery checked at Kragen Auto ( good ). Reinstalled with felt washers, dialectric greased both leads including nuts & bolts. It has been ten days.

This morning the car would not start. I checked the battery and the corosion has begun to return. I checked the leads and both were firmly attatched.

what is causing the corosion? What should I check?
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Monday, September 14th, 2009 AT 6:32 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there, check for an over charging alternator, excessive out gassing of the battery or even a small crack in the battery case or leaking cell cap, clean with a mixture of warm water and bi-carb soda, use an old tooth brush to get all the corrosion off, and coat with petroleum jelly or a good anti corrosion spray.

Mark (mhpautos)
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Monday, September 14th, 2009 AT 6:52 PM

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