Quote:
Originally Posted by Jeff Lange
tC is an E350 transmission, Corolla XRS and Camry are E351 transmissions. That being said it seems that the Corolla has some changes compared to the Camry, as the fluid spec is SAE 75W GL-4 unigrade gear oil while the Camry/tC call for 75W90 GL-4 or GL-5 gear oil.
The other thing, and I don't think this is the case on the 07-09 Camry E351, is that Toyota does not have an interval to change the gear oil for the manual transmission in the 2009 Corolla. The transmission is only to be inspected for leaks. This is the same for the automatic transmission which of course uses Toyota's WS ATF.
Also the final drive ratio on the Camry is 3.95:1 while the Corolla is 4.24:1. The final drive combined with the lighter weight should result in the Corolla XRS feeling noticeably "peppier" than the Camry, especially off the line, though it will of course result in higher revs on the highway.
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4.24:1 is the final drive on the Scion tC...weird that they'd use that final drive with the Camry gear ratios. Though the only other difference really is that 5th is shorter on the E350. Camry has 0.731:1 and tC has 0.775:1 for 5th.
Even if the final drives were the same, the Corolla should beat the Camry off the line due to it's 400-500lb advantage.
As for maintenance on the gear oil for my 2007 Camry with E351, the maintenance manual only says to change the gear oil under severe operating conditions.