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Old 10-07-2010, 01:55 PM
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How To Change Distributor On 93 5.7l Tbi?

Hi guys just got my truck back from the STEALERSHIP saying my dist shaft was cracked and dist itself was full of corosion and rust... hoping this will fix my rough idle I am going to change it myself along with the pick up, cap, and rotor, for around 300 instead of paying close to 1000 for parts and labour anyways wha do i have to watch for is it fairly simple change? do i ahve to retime motor? any help would be appreciated! thanks

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Old 10-07-2010, 02:24 PM
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The easy way is to mark on a stationary surface where the rotor is pointing, and then unbolt the hold down and pull the dizzy out. Drop the new one in so that the rotor lines up with the previous mark. Then re-timing is needed. Unplug the EST bypass wire (tan w/black tracer) located either in the main harness by the passenger side firewall, or it is under the dash on the passenger side at the carpet line by the blower motor. Second location is not that common. Set base ignition timing to zero degrees, shut engine off and reconnect EST bypass wire and you are done.
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Old 10-07-2010, 02:31 PM
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alright thanks alot appreciate it.... is the pick up coil easy to change also? First timer so am pretty new to this!
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Old 10-07-2010, 03:01 PM
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One minor item, don't turn the motor over while the distributor is out, it'll change the oil pump drive rod slot orientation, you'll notice the distributor turns slightly as it drops down as the cam gear meshes, and turns the reluctor plate and rotor with it.
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