Engine Oil Leak From Front Crankshaft Seal on Chevrolet Impala

An engine oil leak may develop from the front crankshaft seal. Our technicians tell us a revised front crankshaft seal is available to correct this concern.

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Average mileage: 69,434 (6,032–192,000)
Engines affected: 3.5L V6, 3.9L V6
7 model years affected: 2006, 2007, 2008, 2009, more2010, 2011, 2012
33 people reported this problem
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problem details
2010 Chevrolet Impala - 3.5L V6 45,000 mi,
just found out, my wife had the oil changed tonite, and they told her it was leaking. sounds expensive.
2007 Chevrolet Impala - 3.5L V6 82,000 mi,
noticed a oil puddle on garage floor tonight. front crankshaft seal is leaking. have to research repair options
2011 Chevrolet Impala - 3.5L V6 36,200 mi,
dealer fixed under 5 year /100,000 power train warranty N/C
2008 Chevrolet Impala - 3.5L V6 12,900 mi,
Motor oil leak
2008 Chevrolet Impala - 3.5L V6 118,909 mi,
Took to dealer today because I found a 6 inch diameter puddle in the driveway. It was 1 quart low on oil. They said the front crank seals leaking. We will have to reschedule for repair.
2011 Chevrolet Impala - 3.5L V6 49,000 mi,
bad front crankshift seal
2010 Chevrolet Impala 34,000 mi,
Changed oil and noticed oil around the front of the engine.
Faulty front crankshaft seal causing engine oil leak
Oil leak front main seal
2011 Chevrolet Impala - 3.5L V6 33,000 mi,
Front rear crank seal leak and bolt stretched
2010 Chevrolet Impala - 3.5L V6 43,500 mi,
oil leak....found seal bad
2007 Chevrolet Impala - 3.9L V6 124,500 mi,
Not fixed yet but still leaking
2011 Chevrolet Impala - 3.9L V6 34,000 mi,
Noticed a small oil spot in garage, front and rear main seals were leaking. Chevy dealer is fixing under warranty.
2012 Chevrolet Impala - 3.5L V6 60,000 mi,
No oil light came on, no check engine came on until the engine completely blew due to oil suddenly leaking from faulty crankshaft seal. I have had regular oil changes and ALL scheduled maintenance done and nothing was detected. They found the problem when I had the engine pulled. It was sudden, not slow. Strange.
2006 Chevrolet Impala - 3.5L V6 192,000 mi,
Engine oil leak, have to put oil in car every week.
2008 Chevrolet Impala - 3.5L V6 81,000 mi,
was on lift mechanic recognized it from previous ones he worked on. not fixed yet cant afford the bill
2009 Chevrolet Impala - 3.9L V6 104,000 mi,
I started losing old. I got under there and change the oil myself to check out the problems. I notice all running down the front of the engine after it rains couldn't really tell where it was coming from. I checked again after it had dried up and noticed that it was coming from the crankshaft seal.
2007 Chevrolet Impala - 3.5L V6 65,000 mi,
Leaking as we speak. Cannot afford to fix at this time. I am retired and it's close to Christmas
2007 Chevrolet Impala - 3.9L V6 62,000 mi,
Engine developed an oil leak at aprox 61,000mi. This Engine Oil Leak From Front Crankshaft Seal cost aprox $900. Goes to show mileage isn't the determination as to this gasket/seal failure, it was age.
2011 Chevrolet Impala - 3.5L V6 6,032 mi,
Front and rear crankshaft seals leaking oil