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1991 4×4 Auto V6 4runner TDC HELP

Posted in Ignition Systems | Asked on Aug 19, 2010
Below is the question about 1991 4×4 Auto V6 4runner TDC HELP,

I am replacing the water pump on my 1991 4runner 4×4 V6 and i have to remove the timing belt since the water pump is hiding behind it. I know the engine needs to be at TDC. But i alrdy have mosy of it taken apart and i cann’t shift from park to N(yes the key is turn) there is zero power(sparkplugs and distributor unpluged batt out). i checked online and i saw a few people say for automatics it doesn’t matter if your in park or N . is this true or will i really mess somin over in my tranny? Thanks

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There are One Answer for "1991 4×4 Auto V6 4runner TDC HELP"

  1. Toyodave says:

    If I understand correctly, you are concerned about turning the engine over to TDC in order to remove the timing belt to replace the water pump. Is this correct? If so, think about this: the engine turns and runs with the transmission in any position. If you have the parking brake on, you can put the trans in any position and put the engine in any position with no fear of damage to any component. Just turn the front pulley until the mark lines up with ’0′ and the notches on the two camshaft pulleys line up with the marks on the upper plate at the same time, and it will be at the appropriate place to disassemble. If you weren’t planning to, I would go ahead and replace the timing belt if it was not recently replaced, and be sure to check the two tensioner pulleys for any bearing noise at the same time. They aren’t cheap, but it’s better to replace them while you have it apart than to risk a failure on the roadside.

    Hope this helps. God bless!