PCM Reprogramming ServicesVisit my Facebook page for a lot of New Pictures & Harness Guides / YouTube channel for How To videos. E-Mail: (the best and quickest way to reach me)
This page is ONLY for owners of 2005 and 2006 Trailblazer, Envoy, Buick Rainier, Saab 9-7x, Impala SS or Monte Carlo SS
This goes by the MODEL YEAR of the vehicle, don’t go by the build date on the door. 10th digit of the VIN, 5 or 6.
These two model years only, your vehicle used what is called an E40 ECM. Your engine has Active Fuel Management, but is different from the rest of the 2007+ pickups and suvs. In 2005 and 2006 your engine used a different Cam and Crank trigger than 2007+ engines. You have a 24x crank pattern, and a 1x cam pattern. The SUV engine is 5.3L and called the ‘LH6’ by its production code. The Impala/Monte Carlo is also a 5.3L engine and uses the engine code ‘LS4’. Click HERE PDF File
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AFM Delete with USPS Priority Mail (2-3 Day)
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AFM Delete with USPS Express Mail (1-2 days)
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VIN Program AFM Delete with USPS Priority Shipping (2-3 days)
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VIN Program AFM Delete with USPS Express Shipping (1-2 days)
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- sample of lifters, some old design, some newer, some locked down
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- new & old lifter design, both locked down. new design has larger oil feed for inner lifter body, and slot/pin to keep internal part from rotating
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- was locked down, old design, inner part allowed to rotate, wear on ledge pins sit on.
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- this lifter from same engine as picture left, same old design, but no wear at all.
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- new style lifter with pin to prevent rotation. now wear is concentrated in one area, this lifter was also locked down.
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- metal debris on pin, likey wedged in lifter causing to stay locked down
