Trans Pump Sounds Starved on Cold Start.

[brillo_76]

So the answer was a clogged screen that starved the transmission pump for fluid. I have never seen a good transmission with a clogged filte as they dont fill with debris unless your transmission is failing. So well see how long she stays together. Anyone want to place bets as how many miles it will be?

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[3bears]

im not a big fan of just a metal screen for a filter, ive had them out and the screen openings are kind of big in my opinion , for a filter. its why I switched to magnafine filter in line.

as far as bets on how long the p.o. trans will last, no bets from me....esp since he drag races it

 

[VernySanders]

When was the last time the magnets cleaned? How many miles?

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Been about 15k but I've done a lot of racing on the dunes. No current issues shifting at all under any speed. Been almost 100 miles since new filter and solenoids. No issues.

 

[brillo_76]

im not a big fan of just a metal screen for a filter, ive had them out and the screen openings are kind of big in my opinion , for a filter. its why I switched to magnafine filter in line.



as far as bets on how long the p.o. trans will last, no bets from me....esp since he drag races it

Lol. I agree nothing wrong with adding another metal mag filter inline. However lots of bon-ferrous metals in the transmission as well. Most debris get super crushed to fragments and that how the fluid turns into sand blasting material.

I am just curious how long it stays together. as I don't have to work on it or fix it. I dont care if the OP does neutral drops. Drag races it or even melts it together. This is just entertainment. Someone pass me some popcorn...

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[VernySanders]

I would be looking for spare trans with lowish miles and never been cracked open. that is a lot of clutch material IMO.

I did not take pics of the pan but... this one 240K miles and never been cracked. fluid was a little black but still had some red in it.

https://www.toyota-4runner.org/3162709-post2.html

the pan had no where near that amount of build up on the magnets.

also? why is the paint missing on the inside of the pan? did that trans endure some crazy high heat?

I've already got one with 100k miles less on it than my current one! Not worried if this one goes out. Ive also got a 2011 Nissan maxima I just dont drive the thing. Has 67k miles on it. Btw I have no idea about the pan color. The pan looked that way the first time I ever dropped it so it's a previous owner thing. I assure you if this was my truck for the last ten years shed be in far better shape.

 

[VernySanders]

Lol. I agree nothing wrong with adding another metal mag filter inline. However lots of bon-ferrous metals in the transmission as well. Most debris get super crushed to fragments and that how the fluid turns into sand blasting material.

I am just curious how long it stays together. as I don't have to work on it or fix it. I dont care if the OP does neutral drops. Drag races it or even melts it together. This is just entertainment. Someone pass me some popcorn...

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Lol!! I'm with ya and I own it. I have zero concern if the thing blow up. Honestly just gives me an extremely valid reason to go spend a bunch of time and money on the truck true testament to toyotas quality though. I have a feeling you're right bout this having a lot of time left. Quite honestly I bought the truck with a horrible trans and it works better now than it ever has! Well see. But judging by the color of the fluid I'm thinking the filter and magnets did their job. Unless a completely perfect working transmission breaks on me suddenly while driving down the road then shell be fine. I think we can all agree the third test in a few months will be the determining factor if it's still eroding to nothing very quickly or if shes cleaned out.

 

[brillo_76]

Lol!! I'm with ya and I own it. I have zero concern if the thing blow up. Honestly just gives me an extremely valid reason to go spend a bunch of time and money on the truck [emoji1787][emoji1787] true testament to toyotas quality though. I have a feeling you're right bout this having a lot of time left. Quite honestly I bought the truck with a horrible trans and it works better now than it ever has! Well see. But judging by the color of the fluid I'm thinking the filter and magnets did their job. Unless a completely perfect working transmission breaks on me suddenly while driving down the road then shell be fine. I think we can all agree the third test in a few months will be the determining factor if it's still eroding to nothing very quickly or if shes cleaned out.

It's still turning. So that the important part. Folks dont have the luck you do. Most folks loose the tranny with the pink milkshake.

I am just curious where the metal coming from. That takes quite a bit to plug the metal screen. I never seen one plugged on a toyota. However, I only ever had one transmission go bad in all these years too.


Exchanging the fluid and keeping fluid that lubricates the transmission does extend life. :]

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[VernySanders]

It's still turning. So that the important part. Folks dont have the luck you do. Most folks loose the tranny with the pink milkshake.

I am just curious where the metal coming from. That takes quite a bit to plug the metal screen. I never seen one plugged on a toyota. However, I only ever had one transmission go bad in all these years too.


Exchanging the fluid and keeping fluid that lubricates the transmission does extend life. :]

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I have no clue! I feel like a lot of the stuff in the filter could even be paint flakes from the pan.. this time I cleaned the pan with an sos steel wool pad really good to get anything off that could end up flaking? I did run the black fluid for quite some time as well with that new filter so that could have had an effect on it. More than anything though I just listen to the trans. If it starts making noises like It did or it fluctuates rpm on the freeway, anything like that i take care of it immediately and so far clean fluid and fresh filters have always fixed the issue. I'll be happy to just get another winter out of it. Hey last winter i thought it was toast lol guess I'm lucky just to still have it going currently

 

[3bears]

I have no clue! I feel like a lot of the stuff in the filter could even be paint flakes from the pan.. this time I cleaned the pan with an sos steel wool pad really good to get anything off that could end up flaking? I did run the black fluid for quite some time as well with that new filter so that could have had an effect on it. More than anything though I just listen to the trans. If it starts making noises like It did or it fluctuates rpm on the freeway, anything like that i take care of it immediately and so far clean fluid and fresh filters have always fixed the issue. I'll be happy to just get another winter out of it. Hey last winter i thought it was toast lol guess I'm lucky just to still have it going currently

many years back when I bought my 4runner, I found that it had a stripped drain pan, really, I did not do it, so I ordered a new pan.
Im pretty sure it had no paint inside

 

[brillo_76]

I have no clue! I feel like a lot of the stuff in the filter could even be paint flakes from the pan.. this time I cleaned the pan with an sos steel wool pad really good to get anything off that could end up flaking? I did run the black fluid for quite some time as well with that new filter so that could have had an effect on it. More than anything though I just listen to the trans. If it starts making noises like It did or it fluctuates rpm on the freeway, anything like that i take care of it immediately and so far clean fluid and fresh filters have always fixed the issue. I'll be happy to just get another winter out of it. Hey last winter i thought it was toast lol guess I'm lucky just to still have it going currently

Keep us posted...op2:op2:

 

[VernySanders]

many years back when I bought my 4runner, I found that it had a stripped drain pan, really, I did not do it, so I ordered a new pan.
Im pretty sure it had no paint inside

I'm wondering what the purpose of painting it would be anyhow.. just increases likelyhood of contamination. Also more than likely, high UNlikely for 99% of people trans pans to experience the paint degrade. Of course it happened to mine lolol

 

[VernySanders]

Keep us posted...op2:op2:

Well, so far so good. Really considering a magnafine filter now. But we had our first snow fall today so I'm not really feeling it! Lol

 

[brillo_76]

Well, so far so good. Really considering a magnafine filter now. But we had our first snow fall today so I'm not really feeling it! Lol

Yes it's coming this way later this week. External magnetic filters are very good things for the automatic transmissions. :]

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[19963.4lsr5]

Yes it's coming this way later this week. External magnetic filters are very good things for the automatic transmissions. :]

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My old Saturn actually had a spin on filter with a magnet inside the filter cavity that could be removed and cleaned. Those TAAT trans would go over 300k miles without a rebuild.


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[3bears]

Yes it's coming this way later this week. External magnetic filters are very good things for the automatic transmissions. :]

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but they also have a paper filter, not just a magnet, and filter better than the stock "window screen mesh" in the stock "filter"
at least they did years ago in the olden days when I cut one apart

 

[brillo_76]

but they also have a paper filter, not just a magnet, and filter better than the stock "window screen mesh" in the stock "filter"
at least they did years ago in the olden days when I cut one apart

Yup agree 100% that always best to add an external filter. The window screen mesh only blocks big debris.

However, I have never seen a window screen filter plugged. If your transmission is plugging it. I really don't think you will have to worry about adding an external filter as soon it will not be turning and a major failure is heading your way at some point down the road.: (

 

[thegipper]

I'll try to make this as short as possible. My truck got a Pink milk shake several years ago when it was my brothers. He flushed it out with gallons and gallons of new fluid, everything seemed to be fine. A couple years later he gave the truck to me. I also did several fill/drains because there were still signs of coolant in the tranny fluid (cloudy look).

About a year later I started hearing this whinning or marbles bouncing around the tranny sound on a cold start up. It did this for about a month before I was able to drop the pan. I found the OEM filter was completely plugged up with a brownish "clay" like material, most likely broken down clutch pack/plate material from the coolant that got in there. I cleaned everything out as good as i could and installed a new filter. The noise was now completely gone.

Everything was fine for a couple months until I started having shifting issues. The issue was my truck wouldn't shift out of 1st gear until the truck warmed up quite a bit (No, this is not the normal won't shift out of 2ND gear until it warms up for emission reasons). It eventually got worse and worse until I swapped in a donor tranny.

Moral of the story, if you hear this noise, make sure you drop your pan, clean it up and install a new filter. I believe I burned up the pump by starving it for that month or so.

Also, bypass the tranny cooler in the radiator or at least replace the radiator every 5-7 years or so, it's cheap insurance.

Hope this helps someone.

 

[thegipper]

Pix of filter plugged with the brown clay. And Pix of the filter after I tried cleaning it but decided to replace it instead. You can see that even with using an entire can of brake cleaner, you'll never get it cleaned because of the limited opening (I cut the old filter open to illustrate)

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[VernySanders]

I'll try to make this as short as possible. My truck got a Pink milk shake several years ago when it was my brothers. He flushed it out with gallons and gallons of new fluid, everything seemed to be fine. A couple years later he gave the truck to me. I also did several fill/drains because there were still signs of coolant in the tranny fluid (cloudy look).

About a year later I started hearing this whinning or marbles bouncing around the tranny on a cold start up. It did this for about a month before I was able to drop the pan. I found the OEM filter was completely plugged up with a brownish "clay" like material, most likely broken down clutch pack/plate material from the coolant that got in there. I cleaned everything out as good as i could and installed a new filter. The noise was now completely gone.

Everything was fine for a couple months until I started having shifting issues. The issue was my truck wouldn't shift out of 1st gear until the truck warmed up quite a bit (No, this is not the normal won't shift out of 2ND gear until it warms up for emission reasons). It eventually got worse and worse until I swapped in a donor tranny.

Moral of the story, if you hear this noise, make sure you drop your pan, clean it up and install a new filter. I believe I burned up the pump by starving it for that month or so.

Also, bypass the tranny cooler in the radiator or at least replace the radiator every 5-7 years or so, it's cheap insurance.

Hope this helps someone.

True that! The quicker you react the better! I have an all aluminum tig welded radiator so mine will never fail. It it was going to it would have as soon as it started when I installed it! Those are even better than replacing every 5-7 years

 

[brillo_76]

Pix of filter plugged with the brown clay. And Pix of the filter after I tried cleaning it but decided to replace it instead. You can see that even with using an entire can of brake cleaner, you'll never get it cleaned because of the limited opening (I cut the old filter open to illustrate)

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Wow. I know you can save the trannys if you exchange the fluid quickly. I seen one do this and we exchanged the fluid and it's still going. The pan magnets should be cleaned and filter changed as well. I still waiting with popcorn on the OP thread here..



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