I was thinking about changing my rear diff fluid out for royal purple. it has the original fluid. 04 silverado with 73,000 miles. I've heard from some it's a good idea, and some say it will just cause problems. Any opinions would be appreciated!
I was thinking about changing my rear diff fluid out for royal purple. it has the original fluid. 04 silverado with 73,000 miles. I've heard from some it's a good idea, and some say it will just cause problems. Any opinions would be appreciated!
Last edited by medic2967; 06-23-2008 at 10:22 PM.
2010 Silverado ECSB LS 4x4. Only mods so far are a K&N drop in filter and a Rough Country 2" front level kit
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