Has SMOD Issue been Fixed?
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List of Calsonic Radiator Part Numbers Associated with SMOD
Look for an aftermarket radiator, or if it has a Calsonic (factory radiator manufacturer) double check the part number against the list in the link above. You can also check the internal transmission cooler lines, at the bottom of the radiator, to see if they have been bypassed.
Look for an aftermarket radiator, or if it has a Calsonic (factory radiator manufacturer) double check the part number against the list in the link above. You can also check the internal transmission cooler lines, at the bottom of the radiator, to see if they have been bypassed.
The previous poster is correct however let me summarize it a bit more for you.
A 2006 is definitely at tremendous risk unless the radiator has been changed for either the new nissan raditor or with an aftermarkted radiator (which are all safe)
A bypass is a good short term solution but best practices for your cars transmission cooling is to replace radiator and leave the stock plumbing intact.
So look at the partnumber stuck on your raditor.
You can also take a pic and show us.
A 2006 is definitely at tremendous risk unless the radiator has been changed for either the new nissan raditor or with an aftermarkted radiator (which are all safe)
A bypass is a good short term solution but best practices for your cars transmission cooling is to replace radiator and leave the stock plumbing intact.
So look at the partnumber stuck on your raditor.
You can also take a pic and show us.
Just to add to everyone here... as well
you can first as a temp solution do a bypass ( easy and free )
but I would recommend changing a rad ( easy and not too expensive )
I do have a video on how to do both ))
How to change radiator and more
Radiator bypass
you can first as a temp solution do a bypass ( easy and free )
but I would recommend changing a rad ( easy and not too expensive )
I do have a video on how to do both ))
How to change radiator and more
Radiator bypass
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3,314 Posts
Along with the potential for SMOD, pay attention to any noises from your timing chain.
Both of these issues can be an expensive repair.
Both of these issues can be an expensive repair.
So the previous owner hit a dear and busted up the front end he said (salvaged title). He replaced the radiator, but with a calsonic and the part number is one of the faulty ones. But since it was done somewhat recently and it seemed to shift good i'm getting it. I figure i will do the bypass until i can get a new radiator. It looks like just swapping two hoses?
The engine sounded good so i think timing chain is alright for now.
The engine sounded good so i think timing chain is alright for now.
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3,427 Posts
I will emphasize that often we see here someone buy an X with a new rad, or new ATF - thinking there OK, when in fact the Previous owner just had smod, and flushed the trans and rad - maybe even replaced the rad or bypassed, and dumped the car on the next unsuspecting owner as fast as possible.
You either want everything to look fairly old - ie old ATF, old coolant, maybe even an older bypassed rad - meaning it has likely never had smod,
Or you want to be paying a low enough price to be able to afford to put a new transmission in soon.
Brand new ATF / brand new rad and coolant is a huge red flag. Don't believe them when they tell you "they just had it serviced for the new owner"
Good luck!
You either want everything to look fairly old - ie old ATF, old coolant, maybe even an older bypassed rad - meaning it has likely never had smod,
Or you want to be paying a low enough price to be able to afford to put a new transmission in soon.
Brand new ATF / brand new rad and coolant is a huge red flag. Don't believe them when they tell you "they just had it serviced for the new owner"
Good luck!
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3,314 Posts
Recently replaced the radiator with an old stock calsonic from 2005-2010?
Seems fishy to me.
Especially when considering an aftermarket radiator could have been purchased for less.
Seems fishy to me.
Especially when considering an aftermarket radiator could have been purchased for less.
The transmission cooler is in the radiator.
There is a factory heat exchanger where ATF flows through inside the radiator.
When the gaskets to that go that is what cases SMOD>
Usually when your transmission is fine when you buy it, it did not occur yet and then u you change the radiator.
There is also an additional external tranny cooler usually.
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