Oil grade for 97 ford explorer pls - 2002 Ford Explorer

Yes you most definitely can use a fully synthetic engine oil.. Just ensure you use the correct grade for the engine fitted.

Check your owners manual and you will also find retail oil selector programs you can use on various oil company web sites to find the correct oil for your engine..

keep running standard or synthetic which ever you have always ran. 10w40 or 15w40 is usually what people run as they put heavy miles on.

Regardless of the manufacturer the oil needs to meet SAE specifications in order to have the rating it carries. You can use any quality oil including a full synthetic with no problems providing you use the proper grade (SAE#)

That's bad, I never hear of that, maybe they don't need the work, I take somewhere else to have it done.

Does it sound like it's coming from the engine? If so, you may have a valve sticking. The sound will pretty much go away as you pick up speed because the valves are working faster and harder. The best solution I can give will be to buy an engine cleaner that is added to your oil. drain about 1 quart of oil from the engine and add the cleaner to the oil. Start the engine and let it run for about 5 min. Drain all the oil and replace the oil filter and new oil to the engine. Sometimes this will have to be done 2 times but usually 1 will do. One other issue could be a spark knock, low grade gas causes this. If I run in to this problem I usually suggest buying prestone octane booster, which increases the grade of gas and cleans the fuel system at the same time.

1999 FORD TRUCKS EXPLORER 4.0L 6-cyl Engine Code [E] SOHC
Engine Oil Grade 1......API* All TEMPS......5W-30 Engine, with filter..........4.7 liters
1999 FORD TRUCKS EXPLORER 5.0L 8-cyl Engine Code [P]
Engine Oil Grade 1......API* All TEMPS......5W-30, 5W-20 approved for this application per Ford TSB 02-1-9 Engine, with filter..........4.7 liters
Here's the information your looking for and thank you for using Fixya

what this sounds like is that your engine is starving for oil and the tapping noise is yuour rocker arms. this could be due to sludge build up on the intake screen of your oil pump or the pump itself is weak and no longer is providing the needed oil pressure. another place for sludge to build up is the valve covers and until the engine heats up very little oil is circulating to the push rod,rocker arms, and lifters. my suggestion is to clean the valve covers, drop the oil pan and remove the pump to look at the gears to see if there are missing teeth. also clean the screen of the pick up tube. replace the oil filter and put in new oil also use lucas additive this will do a good job of keeping the sludge build up to almost nill. if the problem persists then i would say that one or more of your hydraulic liftyers is weak and then they will need replacing.

5w-30. Look on your oil fill cap. It's written on it and in your owners manual.

oil pump maybe tired or bearings worn out, try more heavy grade oil, if that helps sounds like bearings, and maybe an overhaul is needed, keep oil changed reg and just drive it

More info Please!! If the compression is 50psi, the motor is shot! However, you should be able to fire it up by pouring a cup of oil down the intake. It will smoke like mad for a few minutes! Frankster016