1990 Volvo 240 Q&A
1990 Volvo 240 Question: Is GL-5,MT-1 75W90 gear oil suitable for use in a 1960 Volvo M4 trans and diff.
Hey, Great car, I love those 544's. However I'm much better suited to answer questions about newer Volvo's. My suggestion is to check out some of the Volvo specific forums. My guess is you'll be OK, but it's a guess. Good Luck! - Bret Bodas