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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'03 Isuzu, Synthetic Oil

Q: I was thinking of using synthetic oil, possibly 20W-50 in my ‘03 Isuzu with a V-6 engine. Can you recommend brand and input on choice?

- Mike

A: Synthetic oil is good choice for any vehicle’s engine if you can afford the extra dollars it cost. There is a lot of good product to select from. I would suggest a product that is easily found in your area. There is nothing more frustrating than not being able to get the oil you need when you want to service or top-off the oil level. I wouldn’t recommend the use of 20W-50 oil in your vehicle; you just don’t need that high of an oil viscosity with your engine and it may void your warranty. I suggest checking your Owner’s Manual and follow the oil viscosity recommendation listed. Also, you must follow the oil service intervals in the Owner’s Manual to maintain the vehicle’s warranty. Some synthetic oil manufacturers state that you can go longer, more miles and time, between oil changes than the vehicle manufacturer’s recommendation. They will even offer a warranty if you use their oil. Word of caution, in the event you should have an engine problem don’t expect the dealer or vehicle manufacturer to perform the warranty work. You’ll have to work with the oil manufacturer if their service recommendations are outside of the vehicle manufacturer’s during the warranty period.

 
     
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