Crossfire differential?
Re: Crossfire differential?
Brought my oil to an oil change place as I usually. Get it changed with my own oil and filter.
Guy comes up to me with black sludge on fingers saying my differential oil needed changing. I said this car has a sealed differential doesn't it? He said no. I said bo, I'll pass .
Was I being conned?
Guy comes up to me with black sludge on fingers saying my differential oil needed changing. I said this car has a sealed differential doesn't it? He said no. I said bo, I'll pass .
Was I being conned?
Re: Crossfire differential?
Brought my oil to an oil change place as I usually. Get it changed with my own oil and filter.
Guy comes up to me with black sludge on fingers saying my differential oil needed changing. I said this car has a sealed differential doesn't it? He said no. I said bo, I'll pass .
Was I being conned?
Guy comes up to me with black sludge on fingers saying my differential oil needed changing. I said this car has a sealed differential doesn't it? He said no. I said bo, I'll pass .
Was I being conned?
Re: Crossfire differential?
(But) "black smudge" on the fingers could be part of some kind of con job. Maybe do it yourself or take it somewhere else.
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Natesnyder (03-08-2021)
Re: Crossfire differential?
as stated above your differential is set up like any and all rear wheel drive vehicle . your diff is kinda sealed ,it has a breather and it uses 90-140 gear oil, it is a open rear . but use a good oil, your oil should be black, but not sludge. most of the time the rear gear oil will last 10 to 15 years well over 100,000 miles ( if u have a wave-trac limited slip unit then order oil from needswings . only a few oils work with the wave-trac.
take it to a shop , and ask them to check the differential oil and you want to see them do it because you were told it is full of sludge they will let u see it done.
take it to a shop , and ask them to check the differential oil and you want to see them do it because you were told it is full of sludge they will let u see it done.
Re: Crossfire differential?
Yes; do it. Motul Gear 300 75w90 100% synthetic would be a good choice.
Re: Crossfire differential?
I haven't used it, but Lucas Oil is another great brand, and is no doubt another good choice for synthetic gear oil.
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Re: Crossfire differential?
If you like Lucas, then this is the recommended rear diff gear lube....
Synthetic SAE 75W-90 Gear Oil
(FYI: I used Amsoil 75W-90 Long Life Synthetic Gear Lube in my N/A Limited rear diff)
Synthetic SAE 75W-90 Gear Oil
(FYI: I used Amsoil 75W-90 Long Life Synthetic Gear Lube in my N/A Limited rear diff)
Last edited by syfi; 02-08-2016 at 11:39 PM.
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