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Wise Auto Tools: Detailed instructions for preparing to use any of the TIME-SERT Universal head bolt thread repair kits, including 11125, 2200, 3700, 4800, 4900, 6250, 7577, 7580, 14300, 15100. Note the Universal kits that in in BS are the Big Sert kits used for second time repairs when the hole has previously been repaired with a Helicoil making the hole larger than normal.These are directions for preparing to use any of the TIME-SERT Universal head bolt thread repair kits.Before we start, a go …

General Motors (GM) has produced several vehicles with a GEN V 5.3L or 6.2L engine, including the Chevrolet Silverado 1500, Tahoe, and Suburban, the GMC Sierra 1500 and Yukon, the Chevrolet Camaro SS, the Chevrolet Corvette Stingray (C7 and C8), and the Cadillac Escalade, CT4-V Blackwing, and CT5-V Blackwing. However, these engines are not without their issues, and a common problem with the aluminum block is head bolt thread failure. The size of the head bolt is M12x1.75. This was changed from M …

WiseAutoTools.com Summary: We cover a few common problems and tools needed to work on the Pentastar 3.6 engine used in a wide range of Chrysler products today including the Challenger, Ram Truck and Jeep Grand Cherokee just to name a few.Misfires rattles.Chrysler seems to be "all in" on the 3.6 Pentastar and to honest we're not too sure of the reason why. I recently spoke with a veteran, 40 year Mopar technician that was just sick over this. He was nearing the end of his career, but he expressed …

WiseAutoTools.com © Summary: The image above is for the ES72220 replacement head bolts available at O'Reilly Auto Parts, we have the best thread repair kits. If your Chevy engine uses this size bolts, the thread repair kits we sell to fix threads in the block are the M11x2.0 3700 (or 3700BS) and M8x1.25 1812CORE-PLATE. For M12x1.75 we have the 42385-50 head bolt thread repair kit. More on this below. LS engines with stripped threads can be repaired with Time Sert kits for the b …

DennisB WiseAutoTools.com © Summary: Chrysler, Dodge and Jeep with the 3.6 Pentastar engine has a common problem of blown head gaskets due to the aluminum threads in the block failing for the head bolts. There may only be one or two bolts that have stripped head bolt threads in the block. However, we recommend replacing the threads for all 16, so that it will be less likely to have a repeat problem. No one wants to have to remove a cylinder head a second time, when it can be avoided! Below are s …