I just changed min with Mobil 1 75W/90. You will be perfectly AOK with your choice of Castrol. The boot needs to be replaced to prevent damage to the CV joint from moisture and road dirt.

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1993 W124 300D 2.5L Turbo, OM602.962
2000 Chevrolet Cavalier, 2.4L DOHC
2002 Ford Explorer, 4.0L SOHC
2005 Toyota Prius, 1.5L

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