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bad noise with a 22r

Discussion in 'Technical Chat' started by beaver_scott, Nov 24, 2010.

  1. Nov 24, 2010 at 8:50 PM

    beaver_scott [OP] Well-Known Member

    Jun 8, 2010
    First Name:
    renton, wa
    2015 inferno trd pro
    vent shades, tinted windows, clear bra, pop n lock tail gate lock, anytime fog light mod.
    my cousin has an early 90's 4runner with a 22r. he just had the clutch replaced. 2 days later when starting up it sputtered so he reved it which resulted in a boom a clunking noise and a rough idle. a mechanic said it is a bad valve and he needs a new motor (he did not take the motor apart yet). is there a chance the pistons are ok and he can get away with just a head replacement? need help asap, thanks!
  2. Nov 24, 2010 at 8:57 PM

    joes06tacoma Well-Known Member

    Jan 1, 2010
    First Name:
    Central Coast, CA
    06 4x4 Off Road Access Cab v6 6spd
    LEER Shell with dome lights operated with 3 way switches, aux backup lights with relay and 3 position switch, modified wiring to compass/temp display and clock to include switch that disables dimming function (poor man's DRL solution), Scan Gauge 2
    Well, if it still runs then the timing chain did not break. I suppose it could have jumped a tooth and caused the piston to hit a valve. I have not had this happen to me, but have seen a few heads where the pistons hit the valves due to timing belts breaking. Never seen any major damage to pistons from this, I would say he has a good chance of just putting a head and timing chain on it.

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