Toyota with GM 4.3L Vortec - crank bolt - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Toyota with GM 4.3L Vortec - crank bolt

Toyota 7FGU45

Anybody have had problems with the Front crank bolt coming loose or breaking off? All items were replaced and is still happening.

Posted 1 Nov 2015 05:50
By swabal
joined 1 Nov'15 - 2 messages
Texas, United States

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I had this issue before, check and make sure your engine mounts are not broken or severely worn.

Posted 7 Nov 2015 14:16
By fixnproblems
joined 19 Jan'13 - 66 messages
Texas, United States

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Ray, the engine starts and runs fine. The pulley has been spinning on the balancer. The mating surfaces between the balancer and pulley are not completely flat. Im not sure if the mating surface problem is the cause or effect at this point since I inherited the truck from someone else. I am sure that it is what has caused the bolt to back off and break though.

Posted 6 Nov 2015 00:24
By swabal
joined 1 Nov'15 - 2 messages
Texas, United States

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Is the balancer spinning on the crank causing no start?

Posted 2 Nov 2015 04:44
By EasiTek
joined 12 Aug'08 - 533 messages
Ontario, Canada

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