GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

no start after timing belt service on 2001 gs300

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Old 05-24-09, 05:44 PM
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sjlexus408
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Default no start after timing belt service on 2001 gs300

hi everyone i need your input on this to see if this is really the reason why my car starts and dies right away.i've checked everthing on top all wiring harness are plugged in and it is getting sparks and fuel.i got really frustrated so i took off the timing cover and found that one tooth on the crank sprocket behind the crank pulley is missing(i believe this tooth broke because i forgot to remove the little gold bracket underneath the sprocket while pulling the sprocket off). well i just want to be 100% sure that this is why my car starts then die right away.any smart input would be appreciated.
Old 05-24-09, 05:55 PM
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macd7919
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Yes, you already answered your own question. Why would you reassemble it with a broken tooth? The reason the teeth are on there is to trigger the crank sensor, missing tooth means no trigger which will cause all sorts of issues. I'm sure you know this already but you have to take it all back apart now to replace the pulley, it's about $70 from the dealer.
Old 05-24-09, 06:07 PM
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sjlexus408
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well when i took it out and put it back together i did not realize the tooth was broken until i took it apart again and noticed the little gold bracket. well thanks for the input i already placed an order its 75 dollars and i dont have to take everything thing back apart just need to release the t-belt tensioner cause i already removed most of it.
Old 05-24-09, 06:11 PM
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sjlexus408
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well for future references to everyone here on cl.. if youre gona replace your crank seal, remove the gold bracket first then remove the crank timing sprocket.i've heard alot of people had to replace crank timing sprocket because of this.
Old 05-24-09, 10:22 PM
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if a tooth is missing then there's your answer...
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