10W30 or 10W40?

Asked by Feb 01, 2007 at 01:36 PM about the 1991 Pontiac Le Mans

Question type: Maintenance & Repair

Should I fill the engine with 10W30 or 10W40 motor oil during an oil change?

1 Answer

21,630

Hi maxwelljesus! Generally speaking you should usually go with the manufacturer's recommended oil grade (check your owners manual or call your local dealer), but in the absence of that info you probably go with the 10w30 although either would be a safe choice. Good luck!

Your Answer

Add photo

Related Questions

Search Pontiac Le Mans Questions

Pontiac Le Mans Experts

#1 Rucko
Rucko
Reputation 440
#2 Js08016
Js08016
Reputation 180
#3 Daniel Perron
Daniel Perron
Reputation 160
View All

Related Models For Sale

Used Pontiac Firebird
10 Great Deals out of 794 listings starting at $2,000
Used Pontiac Bonneville
5 Great Deals out of 654 listings starting at $1,599
Used Chevrolet Camaro
282 Great Deals out of 38,308 listings starting at $1,250
Used Ford Mustang
362 Great Deals out of 44,353 listings starting at $1,000
Used Pontiac Grand Prix
28 Great Deals out of 3,715 listings starting at $1,100
Used Chevrolet Corvette
180 Great Deals out of 20,810 listings starting at $3,995
Used Ford F-150
2,693 Great Deals out of 211,512 listings starting at $1,000