Question about Buick Regal

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Valve adjustment parameters for 1993 Buick Regal Custom, 3.8 engine

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  • Booker Burley
    Booker Burley Apr 02, 2011

    Same peoblem just want more information.

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Hydraulic lifters are used in the 3.8L there is no valve adjustment.

why do you think you need to adjust the valves?

Posted on Apr 02, 2011

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  • Master
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Valves are hydrolic, so you adjust with the engine while idling-remove the valve cover (s) one at a time, start the car, loosen the rocker arms until they 'rattle' then tighten slowly until quiet, then 1/4 to 1/2 turn past that. do each one the same way, clean it up and put the valve covers back on.

Posted on Apr 02, 2011

  • mike mountain Apr 02, 2011

    'Same peoblem just want more information. '


    Well, yea, right-that's how it's done, the spoon feeding is usually not needed for what is normally a pretty easy job. Hope your 'poeblem' gets fixed...

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