5w30 Castrol oil loss
A message came up on the dash about low oil level. I checked and was 4 quarts low. I do not have a leak I looked all over. The truck has 139,000 miles on it and regular oil changes have been done. I u...
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Pool wrote:
A message came up on the dash about low oil level. I checked and was 4 quarts low. I do not have a leak I looked all over. The truck has 139,000 miles on it and regular oil changes have been done. I use Castrol 5w30 as recommended. Where could the oil be going evaporation. This has not been happening between every oil change.
Not a good sign, how many miles on the change? Does it consume oil normally? If so at what rate.
If the consumption is inconsistent, have you been towing more on this current change, idling more.
What about internal leaks, rings, valve seals, should produce blue smoke but not always.
