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Does anyone else have any oil leaking problems? They say mind is come from the oil pressure sensor. I took it in Friday Nov. 28 and still don't have it back.
 

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My 01 leaked also at the same spot since new .... Itr was repaired some time ago at just under 30k ...





Mac
 

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I drove my brand new truck home and upon arriving it was dumping oil due to this TSB. At the time, the dealer was clueless so I swapped the truck for another identical twin.
<H1>Oil Leak at Oil Cooler to Engine Block Mating Surface (Replace O-Rings, Apply Sealant) #02-06-01-023</H1>
<H1>
2001-2003 Chevrolet Silverado 2500/3500 Series Pickup Models</H1>
<H1>2003 Chevrolet Kodiak C4500/5500 Series Models</H1>
<H1>2003 GMC Topkick C4500/5500 Series Models</H1>
<H1>with 6.6L Duramax Diesel Engine (VIN 1 -- RPO LB7)</H1>
<H1>This bulletin is being revised to add a model year. Please discard Corporate Bulletin Number 02-06-01-023 (Section 06 -- Engine/Propulsion System).</H1>
<H1>Condition
Some customers may comment on oil leaks at the engine oil cooler.</H1>
<H1>Cause
Minor imperfections in the engine block machined surfaces at the oil cooler interface may allow oil seepage past the oil cooler O-rings.</H1>Edited by: tophog
 
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