Question about 1999 Ford F350 Regular Cab

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Is there a design weakness in Ford products over the issue of spark plugs blowing out and if so, will Ford Motor step up to the table?

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Ford states there is NO design flaw, although every shop mechanic will tell you that it is a common problem. I have a 03 f-150 supercrew w/ 5.4 motor & I'll tell ya," They couldn't have made those spark plugs any harder to get to. Don't get me wrong, they're do-able, but all the preventive actions you must perform are crazy. If you haven't changed them before, here are some tips: 1- DEFINATELY let the motor cool down 4 a few hrs. I believe that the spark plug blow-out problem stems from the aluminum head. When heated aluminum expands,so, I believe, when people try replaceing plugs with the motor warm, the plug doesn't get seated proper or proper torque. 2-After removive the coils,Use high pressure air nozzle & blow out the hole where the plug is located. Then use a shop vac & vacuum out any debris that can fall into the cylinder or restrict the plug from seating properly. As far as Ford, they say take your vehicle to your local dealer. Good Luck. I hope this opinion helps

Posted on Oct 08, 2010

  • Vladimir Feb 26, 2011

    you will keep blowing spark plugs out untill you sell the truck. theirs no way to avoid this other than never buy a ford. ford will not admit their fault in this flaw and will not recall it. avoid changing your spark plugs.

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