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252,000+ Miles
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Discussion Starter #1
K. So, dropped the pan, cleaned the pan and magnet, pulled the filter and the metal filter neck gasket thing...decided not to do the boost Valve or servos this time and to wait until I install the cooler and external filter...

Take it for a spin after putting the new filter in and refilling with Amsoil Signature ATF then idling for 15 minutes. Drove it till temps hit 189 TFT.

Park it, leave it idling 3 minutes to get a shift all the way down 1 gear at a time to 1st..shifting 2nd to 1st and from 1st to 2nd there is an audible squeak. Didn't notice it when driving but parked it's clear as day.

I have billet parts to drop in but decided to wait and see.

Any clue why it would squeak now with a partial change? I did leave it open with the pan off (draining) for 24 hours. That's the only weird thing I did.
 

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How often do you change your transmission fluid? Is this the first time?
 

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I've had the squeak since i installed my billet servos, i installed them following the instructions and the fluid is at the right level
 

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Discussion Starter #6
How often do you change your transmission fluid? Is this the first time?
Changed every 2 years or 40-50k miles depending on which comes first. Usually 50k miles. Think this is the 3rd change with dex vi or equivalent. Maybe 4th. Didn't have the squeak till yesterday.
I did however throw down another 110 miles today and will do the same tomorrow, I'll check and see if it still does it after that.
 

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Changed every 2 years or 40-50k miles depending on which comes first. Usually 50k miles. Think this is the 3rd change with dex vi or equivalent. Maybe 4th. Didn't have the squeak till yesterday.
I did however throw down another 110 miles today and will do the same tomorrow, I'll check and see if it still does it after that.
There goes my guess. Sounds like you're on top of things. :thumbup:
 

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I added exactly 5 quarts, and it reads high but it will just overflow out the tubes.

Are you saying that if it's too high it will exit out of the vent line? That would be incorrect -- the vent is to keep the fluid from building excessive pressure/vacuum inside what would be a sealed assembly.

If the fluid level is too high you can aerate the transmission fluid and prematurely wear your transmission. I would recommend you follow the procedure to check your trans fluid level and confirm it is within spec (unsubstantiated articles online indicate the 4L60E can handle +/- 1 to 2 quarts from the factory level.


Sent from AutoGuide.com App
 

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Discussion Starter #9 (Edited)
2005 service manual says on a pan drop and refill to add 5 quarts.

5 quarts were added.

Transmission was checked hot, after sitting and shifting though gears as spelled out. It's high.

So, either the service manual is wrong
They are using some strange version of a quart that isn't native to the US
Or, it takes time for all the air to work itself out of the lines and it will read normal after a few more miles are put on it
Or...someone gets to drain fluid from the transmission even though everything says add 5qts.

If it's the last one, I'm dickpunching the service manual writers.

Still want to know wtf the squeak is/was...didn't check to see if it was there tonight.
 

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well stop dicking around and get the cooler and the servos it ur trans is slipping and starting to burn up the clutch packs after reading i saw one you have over 200k on a stock trans and ur temp is over 175 not good it is known to fail after that

the old fluid had the wear from the trans in it that helps to keep the clutch pack from slipping it will take some time but it should go away the servos will greatly help on this and depending on how big a cooler you get u should hardly ever see a trans temp at 170-175 also after the servos get the tm down so the pcm wont tune it out the more u drive it
 

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Discussion Starter #12 (Edited)
I don't get slipping at all. Not even a little. I've already put over 300 miles on since the filter/fluid swap. I also change it every 50k miles.

When sitting in my driveway, idling, shifting though gears to check my fluid level, I get a squeak from 3-2 and a squeak from 1-2, but no squeak anywhere else. It's weird, but It's a servo, not bands. The truck has to be in motion for bands to move. Bands are what slips, not servos - and the bands are fine. If they go, it's and excuse to make it into a PATC 700.

I want to know why the heck the squeak started when I changed my transmission filter. That's all. I don't want to make more modifications until the root cause is found so I can pin it down. Adding more chaos to the mix won't help.

I have the cooler, filter, servos, boost valve, and shift kit from PATC and a tune is planned - but not until I know what is going on. It's all in the garage. I just hate weird, and this started at the change.
 

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Concerning checking the fluid level -- when you drain the pan & change the filter you SHOULD lose X amount of fluid. Sometimes you don't, sometimes you do? I remember when I dropped the pan on my trans I added the recommended amount & was reading high -- hence my advice.

I noticed you specified that you're using the Amsoil -- is this the first time you've used this fluid? Perhaps it is a servo issue related to the new fluid? Just trying to figure out what has changed exactly.
 

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Discussion Starter #14 (Edited)
Second change with Amsoil.

It's dex vi approved signature series synthetic.

I'm almost tempted to pull the servos and check the o rings. It's definitely a 2nd apply servo and it still does it. I just don't want to pull them and be FORCED to replace them because I screw them up pulling them.
 

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Discussion Starter #16
Ok. Update time...

So, being frustrated that the fluid level was high and the squeak wouldn't go away, I pulled out the B&M plate cooler and external filter and installed them.

I also did a complete purge of ALL transmission fluid. At 233,400+ miles. It's all changed. While the return line was off, I just grabbed a 5 gallon homer bucket, ran some clear tubing to it, turned the truck on and let it pump till I heard air, shut the truck off, refilled with clean fluid, and did it again. And again.

Almost 14 quarts of Amsoil later, I have fresh, red, 100% clean and not degraded by heat or anything else fluid.

I installed the filter and the plate cooler after that.

Now, my trans is filled to the correct level, is 100% full of shiny clean ATF, and runs about 40 degrees cooler than before.

The damn squeak is still there.

Looks like billet servos will be going in next week regardless, unless the squeak stops tomorrow when I put another 200 miles on it.
 

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Damn, sorry to hear that. BUT you do have the cooler and filter on!

FYI, I've been using a Bosch D3422 (I've got the B&M filter mount), change it every oil change (sometimes every other).

Only thing that sucks about the servos is you don't know if they were as you see it after pulling them.
 

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2005 service manual says on a pan drop and refill to add 5 quarts.

5 quarts were added.

Transmission was checked hot, after sitting and shifting though gears as spelled out. It's high.

So, either the service manual is wrong
They are using some strange version of a quart that isn't native to the US
Or, it takes time for all the air to work itself out of the lines and it will read normal after a few more miles are put on it
Or...someone gets to drain fluid from the transmission even though everything says add 5qts.

If it's the last one, I'm dickpunching the service manual writers.

Still want to know wtf the squeak is/was...didn't check to see if it was there tonight.
If you include the torque converter it's really 8 quarts.

Keep checking till you get the correct level on the dipstick.
Over filling will cause problems too!

Damn 4L60's:th_s52:
 

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Hey never built a 4L60E trans but with my turbo 350 it was caused by bad needle bearings on the shell and sun gear drum. I think the 4L60E still has them. It causes the gear multiplication for the different gear ratios. Maybe go by a good tranny shop in your area and have them road test it for you.
 
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