97 FZJ80 slight sound shifting from R to N (1 Viewer)

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johnny4ever

johnny4ever

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I am a newbie 80 owner.:flipoff2:


When shifting from reverse to neutral there is a quick chirp. Not high pitched but almost like a short blast from a saxophone. Very shortlived and not very loud.

Transmission shifts nicely into all gears with no clunk or hesitation.
It recently had 90k service and all fluids changed to synthetics.

Any ideas?

John
 
Last edited:
there is a serial # tag on the PS rear of the tranny. Get that number as during the 97 production run there was a series of trannys that need a check ball added to the valve body to stop that exact condition.
 
Rick....So is Toyota/Lexus are willing to accomodate the repair at this point if indeed his Tranny did not get the Check Ball added to ther Valve Body?

Thakns
Al
 
anybody have the text of this ball TSB? I grabed all the 96 TSB's for both the LX and LC but this is not in them, there is a 96 TSB about changing a few springs to an updated part at transmission overhaul but not the ball TSB.

I occationally have a noise when I go from reverse to drive,

"Not high pitched but almost like a short blast from a saxophone."

sounds like a good description, it does sound somewhat like a bad wind instrument, but my 96 is not suppose to have this ball problem.

in this thread is a pic of one of the TSBs,

Rick sounds like there ia another? do you still have a compy of it?


TC001-98, February 13, 1998
https://forum.ih8mud.com/showthread.php?t=71896
 
me too

i sometimes hear it too..
do i need to fix it?
will it affect the trans?
is it a problem except for the noise?
how much would it cost to fix?
anyone?
thanks
 
copy of it is at home in a box somewhere do to remodelling that room. Don't count on it reappearing this millenuim. But I'll look. I did do a serial number break down recently, maybe a month and a half ago here on the forum if that would help.
 
landtank said:
Then serial numbers 97H*-00001 thru 97K*-99999 need to have the check ball added to the valve body.

Starting with the 97H*-00001 tranny there must have been a design change that happened on the production floor but wasn't or couldn't be applied to the exhisting trannies in the field. Only those trannies need the ball to be added to get rid of a chatter shifting OUT of reverse.
Click to expand...

https://forum.ih8mud.com/showpost.php?p=1084186&postcount=18
 
Symptom treatment needed?

Thanks for all the thread posts and information.
We now know that there is a condition described as noise when shifting from R to N or P. The noise is slightly saxophone or trumpet-ish.

Also we have learned that there is a TSB with suggested repair to correct.

Is the repair needed? Does the noise indicate something bad? Is the noise a result of something going horribly wrong inside the Transmission and or Valve Body?

Thanks
John
 
I started with the noise on my 96, it then progressed to occational slipping under high loads, then moved on to slipping under lighter loads and more often.

It's now sitting on the garage floor and a 97 with a serial number that negates the need for first TSB but not the second one is sitting in the wings to be installed.

It started at around 60k and progressed from there.
 
landtank said:
I started with the noise on my 96, it then progressed to occational slipping under high loads, then moved on to slipping under lighter loads and more often.

It's now sitting on the garage floor and a 97 with a serial number that negates the need for first TSB but not the second one is sitting in the wings to be installed.

It started at around 60k and progressed from there.
Click to expand...

Now Im lost.
I thought my exact symptom only occurred only in a specific batch of transmissions and only on the 97 model.
Mine has 96k miles and has the infrequent small saxophone burst when shifting out of r into n or p. I do not classify the sound as gear chatter at all. No slippage no other symptoms.

Please advise
 
It sounds like yours needs the check ball covered in the TSB, and mine does too. I get the same kind of honking noise on my 97. Does anyone know the cost of this repair?
 
johnny4ever said:
Now Im lost.
I thought my exact symptom only occurred only in a specific batch of transmissions and only on the 97 model.
Mine has 96k miles and has the infrequent small saxophone burst when shifting out of r into n or p. I do not classify the sound as gear chatter at all. No slippage no other symptoms.

Please advise
Click to expand...


There are 2 TSBs that came out in 1997 for the 343 tranny. Depending on your serial number on the tranny you might have one or more symptoms.

Trannys produced early 1997 and earlier could have slow reverse engagement and clutch chatter. One TSB covers this.

There during the 1997 run a second TSB was released because some trannys had a noise when coming out of reverse.

The above link goes to a thread where the serial number break done is posted. So get under the truck and get your serial number and see which if any TSBs apples to your tranny.

If all you need is the check ball, then that requires removing the pan and valve body and then separating the valve body and inserting a ball. Not too difficult or a very long job so it shouldn't be too pricey.
 
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