What kind of lifters do AFM engines use?
3. Lifters. AFM engines use special lifters for cylinders 1, 4, 6, and 7. They are taller and have special oil holes. Engines with AFM also use a special camshaft, a high-volume oil pump, and a pressure relief valve in the oil pan.
Where is the oil deflector valve on a GMC ACM?
This valve is located on the oil pan rail and prevents excessive oil pressure from negatively impacting the AFM components. The original version sprayed oil on the cylinder walls and increased oil consumption. In 2010, GM added a deflector (p/n) NAL-12639759 to redirect in into the pan.
Where is the AFM deflector located on a GM Truck?
This valve is located on the oil pan rail and prevents excessive oil pressure from negatively impacting the AFM components. The original version sprayed oil on the cylinder walls and increased oil consumption. In 2010, GM added a deflector (p/n) NAL-12639759to redirect in into the pan.
When do I need to install an AFM delete kit?
1. Install an AFM Delete Kit An AFM Delete Kit is recommended when an AFM lifter fails or when doing performance upgrades. It replaces the AFM components with standard parts. You MUST upgrade to a non-AFM camshaft because the cam lobes in the four AFM cylinders are ground differently.
What kind of engine does GMC Yukon Denali have?
From the Archive: An all-new powertrain—motivated by a 380-hp 6.2-liter V-8—and a fresh exterior push the Yukon Denali closer to it’s flashier, more expensive cousin, the Cadillac Escalade. From the April 2006 issue of Car and Driver.
Is the GMC Yukon XL Denali 4dr SUV AWD?
The 07 is great (haven’t had it long)…the engine is even more powerful than previous one…and I raved about that one. The passing gear is amazing. Exhaust bellow is music to my ears. Domestic build quality always leaves something to be desired when compared to imports…but that’s always the case.
What’s the difference between GMC Yukon and Yukon XL?
Gloveboxes are 25-percent bigger, and available power fold-and-tumble second-row seats ease third-row access. The new Yukon XL boasts a redesigned exterior with wraparound front and rear fascias and integrated running boards. GMC claims improved aerodynamics, helped by a sleek 57-degree windshield angle.
How much does a GMC Yukon Denali cost?
The Denali’s price has dropped $2070 to $47,990, a compelling $9000 less than an Escalade. But with standard second-row buckets, it holds just four adults (only small kids will fit in back, unlike in the Navigator).