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1993 Mazda B2600

Question: need to verify valve timing

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super dave, Oxford, PA, May 25, 2011, 19:10
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1993 B2600i g6 f/i asperated motor. overheated, blew head gasket. replaced but now wont start. im very sure all setting are correct, but never hurts to check. with crank at tdc 0 were should the cam sprocket be located. ps no advice on spark timing its 5btc like it should be.

Thanks Super Dave

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, May 25, 2011, 23:51
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    If it won't start you are right to start with the basics and recheck everything. Make sure no key sensor is unplugged. After checking the cam timing check that the engine turns over by hand freely by hand wit the spark plugs out (with the plugs out check the compression to see it is even). After that verify spark and fuel.
    It's hard to explain cam timing procedures without illustrations
    Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info. There is also a company that independent auto repair shops buy their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online

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    super dave, May 26, 2011, 18:56
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    Hey greg thanks for the web addresses. I guess my problem is i never removed the timing
    cover, i mean why would you when replkacing a head gasket. So when i reinstalled the chain i used tdc for the crank and 3oclock position for the cam sprocked mark. After looking at the photos on azone i see the chain has marks, why that matters i'm not sure. So now when i align the chain to 3oclock the crank is not on tdc , and i can't see the lower sprocket
    position. whats a guy to do.

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