Question on oil cooler for auto box w124

[DREAMER NO2]

The question is the car is now 29 years old .The radiator is original and as far as i can see no leaks in the radiator . But as older radiators go ,and new inferior ones they can leak .
With the coolant getting down stream and in to the auto box .
This is a costly repair if it happens
So is it possible to fit an oil cooler ,,so it cools the ATF fluid for the auto box .Independent to the radiator ?.
The fix is an easy one just wounder if it been done by any other member.

 

[LostKiwi]

Yes totally possible. Toyota Landcruiser Colorado's suffer the same problem (but with them the coolant destroys the gearbox). On mine the previous owner had had this issue and had fitted a cooler with its own fan.
The only bad thing about doing it this way is the gearbox oil takes a lot longer to warm up as the engine coolant can't pass heat to the oil to get it to temperature when cold (water warms faster than oil)

 

[DREAMER NO2]

LostKiwi your right thinking about it, but as the car never hits the road in the winter i dont think it would cause me any problems .Would be helpful if it had been done by some one, so i could pick his brains . And it will damage the auto box if coolant gets in there as we know ..

 

[LostKiwi]

It's not difficult. Just take the existing cooler lines off the radiator and plumb them into a dedicated oil cooler. 19 row should be more than enough.

 

[DREAMER NO2]

Just need to look and see if i can shoe horn it in there .Would have to lengthen the hoses also .

 

[LostKiwi]

A decent hydraulic specialist should be able to make hoses to suit for not too much money.

 

[brianbrian]

I just replaced the radiator for 150qiad to make sure.

 

[LostKiwi]

I just replaced the radiator for 150qiad to make sure.

Which is of course the easiest option!

 

[DREAMER NO2]

Yes it would , but there again it will not rule out the possibility that it might still happen with a new one you never know.

 

[Jim2]

Does the w212 E200 CDI, with the 722.6 transmission, suffer much from this problem, or has it been sorted out? And how to find out if your car has the problem....I guess regular checking of the water and transmission oil levels would be one way? Losing water and the trans oil level increasing would pint to a possible leak?
Regards Jim2

 

[LostKiwi]

Does the w212 E200 CDI, with the 722.6 transmission, suffer much from this problem, or has it been sorted out? And how to find out if your car has the problem....I guess regular checking of the water and transmission oil levels would be one way? Losing water and the trans oil level increasing would pint to a possible leak?
Regards Jim2

No it isn't known for it.

 

[Jim2]

No it isn't known for it.

Good. That's what I like to hear.
Thanks Lost Kiwi,
Jim2

 

[om613]

Yes it would , but there again it will not rule out the possibility that it might still happen with a new one you never know.

The pipes to the cooler are the weaker point, more likely to fail through rusting.

I've a couple of pattern 124 rads in stock pretty cheap. If interested PM me your VIN and I'll see if they're compatible.

 

[Jim2]

The pipes to the cooler are the weaker point, more likely to fail through rusting.

I've a couple of pattern 124 rads in stock pretty cheap. If interested PM me your VIN and I'll see if they're compatible.

Hi om613, I have clicked on your profile, but can't find any way to PM you? What am I doing wrong??? Maybe a certain Nr of posts are required before it's possible to use the PM function.....????

 

[LostKiwi]

Hi om613, I have clicked on your profile, but can't find any way to PM you? What am I doing wrong??? Maybe a certain Nr of posts are required before it's possible to use the PM function.....????

It's called "Start a conversation" and is in the middle just below the photo. When you click on his username on the left of the thread.

 

[DREAMER NO2]

Jim how can you be sure that the radiators you have wont go the same way .The pipe in side rusts , and you have no way to get inside to see it . May be a bore scope could tell more of a story .

 

[LostKiwi]

Jim how can you be sure that the radiators you have wont go the same way .The pipe in side rusts , and you have no way to get inside to see it . May be a bore scope could tell more of a story .

That's why you always ensure antifreeze is up to scratch. It's a corrosion inhibitor.

 

[Jim2]

It's called "Start a conversation" and is in the middle just below the photo. When you click on his username on the left of the thread.

Thanks Lost Kiwi.....I saw that Ok, but was looking for the usual "PM" , now everything is OK.

 

[Jim2]

Jim how can you be sure that the radiators you have wont go the same way .The pipe in side rusts , and you have no way to get inside to see it . May be a bore scope could tell more of a story .

Speaking about the pipes carrying the transmission oil to and from the cooling radiator, as they are filled with oil, and under pressure, I don't think that they will rust from inside out, and while external rust on the pipes cannot be ruled out ( especially where the air is salty, or when roads are gritted during the winter, but frequent inspections would keep that under control. Have to bear in mind that underbody and piping anti-corrosion methods have improved immensely over the years.
I know that the engine cooling system is a different matter, but as Lost Kiwi points out, keeping the correct anti-freeze ( which includes a corrosion inhibitor ) goes a long way in ensuring healthy pipes, connections and of course engine block and cylinder head.

 

[DREAMER NO2]

jim the pipes outside the radiator are not a problem .Its the tubes that are inside the radiator .