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AR15.COM
12/9/2013 7:23:51 AM EDT
2007 impala 89,000 miles

Car has been leaking a lot of oil
Oil pressure service light is on
Anti freeze keeps going low but not leaking in driveway.

Any ideas
12/9/2013 7:25:29 AM EDT
[#1]
complete rebuild
12/9/2013 8:31:52 AM EDT
[#2]
20w-50 oil  and stop leak in the rad.
12/9/2013 8:45:14 AM EDT
[#3]
Engine size?

Where's the oil leak?

Coolant loss, head or lower intake gasket.  

Any coolant in Oil?

Do you mean the check gauges light, low oil pressure light?
12/9/2013 4:03:14 PM EDT
[#4]
The coolant is likely going into your oil.

Congrats, time for a new motor!!!!!!
12/9/2013 4:17:43 PM EDT
[#5]



























A quicker way to do this is to let oil drip from the dipstick onto a hot exhaust manifold.

If your car has a factory oil cooler I'd check that first and make sure it hasn't failed.