hello folks, i just replaced my gear oil w/ castrol hypoid-B gear oil, b'coz the mechanic told me i cant use ordinary gear oil, my question is why do i need to use the hypoid-b? will using ordinary gear oil really damage my differential?
Iam not sure what hypoid oil is however i would assume its due to the speed and temperature in that differential. oils break down at certain temps and loose their lubrication abilty, maybe this oil can withstand higher temperatures.
thanks for the info dude, the mechanic said that my car has a limited slip differential thats why i need to use hypoid b gear oil otherwise using ordiary gear oil will not make my differential function lkike its not linited-slip further on it will damage my differential, i wonder can use this hypoid b in my 123 and 126?
Your car doesn't have limited slip differential. It has ASR instead. The reason for using hypoid oil is because it has hypoid gears.
Here is a good explanation:
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