Question about 2004 Suzuki Forenza

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Cams wont turn after replacing headgasket

Low compression in one cylinder blowing white smoke from tail pipe . headgasket was blowen fix gasket put top cams at tdc and now lower cam will only partially turn is it possible piston wall has crack

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  • fatcoomis
    fatcoomis Dec 11, 2012

    did what brad said but the deal is the cams on top are loose just sitting there and still can not rotate engine by hand have been fighting with this for 5 day

  • fatcoomis
    fatcoomis Dec 11, 2012

    oh yea, no valves tappets instead

  • fatcoomis
    fatcoomis Dec 11, 2012

    also put marvel oil in and some 10=40 valvoline has been sitting over nite will try to turn by hand in a few

  • fatcoomis
    fatcoomis Dec 11, 2012

    nubers 4 and 5 only go half way

  • Brian Johnson Dec 11, 2012

    time to drop[ the oil pan and check the rods when you had the head off you didnt notice any scoring on the cylinder walls ?

  • Brian Johnson Dec 11, 2012

    you didnt leave or drop anything into the cylinders maybe a shop towel or a bolt

  • fatcoomis
    fatcoomis Dec 11, 2012

    Still no movement but now can hear a deffent clunk as the 2 center cylinders are on the way back up so think that this is now not an easey

  • fatcoomis
    fatcoomis Dec 11, 2012

    Still no movement but now can hear a deffent clunk as the 2 center cylinders are on the way back up so think that this is now not an easey

  • fatcoomis
    fatcoomis Dec 11, 2012

    so i think that the KID driving this really SCREWED it up like it needs a (Im gonna say it) NEW ENGINE

  • fatcoomis
    fatcoomis Dec 11, 2012

    any thoughts heated up one too many times and what was easay is now hard

  • Brian Johnson Dec 11, 2012

    if you dont have the cams bolted in and you cant turn it the engine all the way around i would think so

  • fatcoomis
    fatcoomis Dec 12, 2012


  • Brian Johnson Dec 12, 2012

    So what did you find?

  • fatcoomis
    fatcoomis Dec 13, 2012

    There was small bits of corrotion on number 3 used oil soak in engine let sit over nite went out next morning loosened up everything and this time it turned over by hand tightened everything up and it all good now will be firing tomorrow let you know how it runs thanks Merri

  • fatcoomis
    fatcoomis Dec 16, 2012




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You need to start over with the timing process the valves are hitting the pistons because the cams are not in time rotate the pistons off tdc by about 90 degrees counterclockwise and reset the cams then turn the engine to tdc and put it together rotate by hand after installation to be sure it turns freely 2 full revolutions of the crank and all the marks should line back up

Posted on Dec 11, 2012

  • fatcoomis
    fatcoomis Dec 11, 2012

    Have done what is segested and still the crabk



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SOURCE: I just rebuilt my Sidekick

Did you pump up the lifters with oil? They are what oils the valves. As the motor runs they act as pumps and hydrolic shock absorbers at the same time. They pump oil up through the push rods. So when you try to adjust them they collapse and don't fill back up.

A drill press and push rod is the best way, tighten the pushrod into the chuck. Leave it off. then place the lifter in a small bowl of oil and press it down with the lever on drill. do it over and over until it gets hard to pump.

Posted on Aug 29, 2010

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SOURCE: Had tappet cover gaskets replaced and new spark

Partially, this sounds insane. Here's what I would recommend doing just to try ... forget PCV, first of all. Next, drain all the oil out (Keep it, should be good) and flush the engine out by pouring maybe a quart-a gallon of kerosene down it. If there's anything blocking the flow, that'll get rid of it. Drain all that out. Put in a new oil filter. The goal is least resistance possible. Put all the oil back in, start it up. Rev to ~2000 RPM, until it gets up to temp. I'd suppose that this would check to see if the rings were damaged some how. If it still smokes, I'd be curious to know if your valve seals need replacing, or having a blowby test done, see if oil gets in.

Posted on Dec 18, 2010

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