New to me, LB7 - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 06-24-2009, 02:41 AM Thread Starter
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New to me, LB7

Just bought an LB7 Duramax today. It is a 2004 Chevrolet Silverado 3500 4x4, Crew Cab, Long Bed, Duramax Diesel Engine, Allison Automatic Transmission. Truck has approximately 100,000 miles. The truck had all the injectors, injection pump, and fuel rail replaced in 2007 by the Chevrolet Dealer while the truck was under warranty. I'm new to these trucks and was wondering if there was anything in particular that I should look for when I pick it up on Thursday.
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post #2 of 3 (permalink) Old 06-24-2009, 05:14 AM
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Check the front end, all ball joints, hubs, bushings, and steering damper. Also check for evidence of any leaks around the engine, front & rear diffs, tranny etc. Does the truck have any performance enhancements at all?
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post #3 of 3 (permalink) Old 06-25-2009, 11:42 PM Thread Starter
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No performance enhancments. Inspected the truck before buying and it looks leak free. Drove if from Atlanta Georgia to Ocala Florida and the truck runs fine. Not quite used to how the allison shifts, but all in due time. It is leaking diesel fuel from a seal somewhere around the fuel rail at the fron driver's side of the engine underneath the a/c compressor. Not quite sure where.
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