Hello, I am looking for a repair manual for my 1999 Montana. I need to replace the head gaskets. I have been looking at the Chilton's & Haynes books, but also some of the repair manuals offered on CD & DVD. I am looking for a manual that will show details of the engine. How do I know what gaskets or items (in addition to the head gaskets) I should replace while I have the heads off ? Also, I have been reading several sites that recommend using an aftermarket head gasket that has the metal on both top & bottom, and also replacing the head bolts with an aftermarket because the torque is greater on the aftermarket vs standard GM. Thanks for your help.
I would recommend the MITCHELL'S Online Manuals. Go to www.mitchell.1.com and you can get a single subscription for about $10. When I had my own repiar shop I had te complete set of Mitchell's. Very complete and just a good as the factory repair manuals (maybe better). I especially liked the wiring diagrams. Very complete.
Good Luck. . . . . BTW, you SHOULD replace the head bolts regardless of which type of gasket you use. Once they are torqued, they shouldn't be used again.
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