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1991 Nissan Maxima Flexplate keeps on breaking!!!?
Recently I have Replaced the Engine (VG30E) with a younger engine of the same type (~25000mi from 150,000) after the old engine lost all compression in 3-4-5-6 cylinders.
After replacing the engine everything worked great, until the Flexplate broke. It was broken in a Circle about 1/4 inch from the center bolts. At this time I assumed that during shipment of the engine the flexplate had been bent or cracked. So I replaced with the flexplate off of the original engine. (I checked to ensure that it was indeed flat and had no serious signs of wear. After replacement I had some problems with the solenoid on the starter, so i replaced the starter. The car ran great, Until today.
My flexplate has broken once again. I havent gotten all the way in there yet, but i am assuming that the same problem has presented itself again. My question is this. Would an off balance torque converter cause this problem? Or is the problem likely to reside in the Crankshaft?
4 Answers
- dodge manLv 71 decade agoFavorite Answer
i own a repair shop,and yes you are correct,an out of balance torque converter will cause this to happen,,and on some of the older Nissan's they had a ring that went on before the bolts went on that helped make these a lot stronger,,but at some point they decided they no longer needed it on there and did away with it,but a lot of the older Nissan's use to crack flex plates also,, i had a datsun,that did this it was a 75 model,and we for got to put the ring back on it,once we seen what it was it never did it again,but your problem may be with the torque converter,if you felt any vibration from it at all ,that could have caused this,and a stater can also cause this to happen by going in too far and putting pressure on the flex plate,,i hope this help,s,good luck with it
Source(s): been a certified mechanic for 36 yrs. - ?Lv 44 years ago
i do no longer understand the truthfully value yet right that's a minutiae be conscious.... Flex-plates are for computerized transmissions, Flywheels are used on instruction manual transmissions. once you talk over with a mechanic utilising the splendid words could merely permit him understand which you already know somewhat some thing and might't be sucker-punched with a larger invoice than generic.
- Anonymous1 decade ago
the problem is it's a 1991 buy something better
