Automotive

How often to change tranny oil and coolant?

  • Last Updated:
  • Jan 14th, 2019 6:12 pm
[OP]
Newbie
Mar 7, 2008
58 posts
13 upvotes
Saskatchewan

How often to change tranny oil and coolant?

I have a 2009 Toyota Matrix with the 5spf auto tranny and 2.4L 4 cylinder engine.

How often do you guys change the fluids? 50,000kms sounds right?

The car is almost 160,000kms now. Last time both tranny oil and coolant change was at 116,000kms back in December 2016.

Thanks
7 replies
Deal Fanatic
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Mar 13, 2004
8794 posts
1199 upvotes
Toronto, Ontario
Check your owners manual each car is different. I think the average may be 100,000km but depending on how you drive you could do it sooner
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Deal Addict
Aug 10, 2013
2379 posts
1645 upvotes
Exactly as sick cars said.
Some vehicles have lifetime fluid (which I never trust). Most i have seen are to be changed at 105k though
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Deal Addict
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Oct 13, 2008
2880 posts
595 upvotes
Oshawa
THINKPOD wrote:
Jan 14th, 2019 9:17 am
I have a 2009 Toyota Matrix with the 5spf auto tranny and 2.4L 4 cylinder engine.

How often do you guys change the fluids? 50,000kms sounds right?

The car is almost 160,000kms now. Last time both tranny oil and coolant change was at 116,000kms back in December 2016.

Thanks
It's funny how the owners manual and maintenance schedule is around and people don't even bother to look at it.

Refer to manual unless you feel that the manual is incorrect.
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Newbie
Mar 31, 2009
24 posts
4 upvotes
These "lifetime" transmission and coolant fluids, if actually mentioned like this on the manual, are more like "lifetime till warranty expires".
Do not trust these claims and change these fluids at reasonable intervals (KM / Years), at least after the warranty expires.
Cost will be fraction of the amount compared to transmission fix or replacement which a dealer will charge you, even if the issue will be related to the "lifetime" fluid.
Deal Fanatic
User avatar
Feb 11, 2007
8663 posts
7322 upvotes
Oakville
Follow the manual, unless it says unlimited as they only care about the warranty period. 100k is reasonable for modern car trans/diff fluid and coolant. Unless you're driving it extra hard, then do more often.
If I were you I wouldn't do again until 200k.
Don't forget to also do the brake fluid every 2-3 years.
Deal Addict
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Dec 19, 2005
2113 posts
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I suggest something with at least 30 spf to block those UV rays
Deal Expert
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Apr 21, 2004
47419 posts
13131 upvotes
I just topped off my power steering fluid yesterday.

Going to replace all fluids in the spring except for windshield washer fluid and brake fluid unless I can use mityvac to suck and refill.

Don't know a thing about the brake system.

Coolant drain and fill
Manual transmission drain and fill
Engine oil drain and fill
Power steering suck and fill
Hopefully brake with suck and fill

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