Synt. oil needs to be changed every 6mo.?

Status
Not open for further replies.
Joined
Jan 16, 2004
Messages
3
Location
Mexico
Does synthetic oil needs to be changed every 6 months ( like dino oil ) ? I have only 1500 miles and 6 months on Castrol Syntec.
 
Joined
Jun 21, 2003
Messages
324
Location
California
No always. Newer cars (especially GM) recommend changing oil once a year if indicator doesn't suggest shorter period. I would feel confident using synthetic for up to 1 year if mileage is low. 6 months and 1.5k miles is way too low for syn.
 
Joined
May 27, 2002
Messages
3,336
Location
Bolivia
It depends on the length of the trips that are taken and the temperature. 12 miles each way twice a week, let it go longer. 4 miles each way 6 times a week, especially in cooler weather, change it at 6 mo.
 
Joined
Jun 10, 2002
Messages
3,730
Location
Chattanooga, TN
I have two vehicles that I change it once a year. One gets about 12,000 miles the other less then 3000. On the low mileage one though I try to drive it at least 10 miles every time I start it. The UOA has been fine on both vehicles, been doing this for several years. A cold winter climate would have a bearing though, cold starts of less then 10 miles would be a consideration for a 6 month interval. Best bet, at 6 months do a UOA to see what it looks like for fuel dilution etc. Worht the price at least once, probably after a winter run.
 
Status
Not open for further replies.
Top