Alec;1415333 said:
Is it ok to use the new Toyota Pink(pre-mixed) on the 7M?
Got some new info on this (thanks Steve!) and the real answer is it depends. Toyota "Pink" can refer to two different coolants...here's the info in the TSB:
- Toyota "Red" is referred to by Toyota as Long Life Coolant (LLC) with a service interval of 30,000 miles.
- Toyota "Pink" (as referred to commonly) is also LLC except it's a 50/50 pre-mix...same service interval.
- Toyota "Pink" is referred to by Toyota as Super Long Life coolant (SLLC) came on the scene 5 years ago (maybe earlier)...it is the different chemistry I spoke of. It only comes in a 50/50 pre-mix and service interval is 50,000 miles.
According to the TSB, LLC is compatible with SLLC...i.e. they can be mixed. If that happens though, the interval goes to 30,000 miles.
There does seem to be a problem with the SLLC though that I'll need to do more follow up on. Since the change to SLLC in the '04 time frame, the dealerships have been reporting problems with water pump shaft seals leaking after the switch to SLLC, especially on the Camry (2AZ-FE motor). The only common factor was the switch to SLLC...the engines with LLC did not experience this at a higher than normal rate. It's also a common factor on other engines, but the Camry is the worst.
Some dealerships will not switch a car from LLC to SLLC for this reason. I'm going to retract my previous statement and go with this philosophy. I would not use Toyota Pink (SLLC) in a 7M...there's no advantage to it and it's possible it will cause a water pump shaft seal failure.
Note to self: Stop using the terms Toyota "Red" or "Pink". Pink can mean two different coolants...LLC or SLLC is more precise.