Valve noise after oil change

Razor-02 · Apr 18, 2008

I recently changed my oil on Tuesday. I had Castrol GTX 5w-30 since February.
I put in GTX 5w-20 and now I get valve noise likes its dieseling on cold starts but noise disappears after driving. Never had this happen before. I just bought GTX 20w-50 today. Is it okay to put in the 20w-50 now just after changing the oil or wait a little while? Should I just continue to use 5w-30? Would the noise stop on cold starts? Do I have to change the filter too? Would it hurt the engine? Live down here in San Antonio. 96 Ranger 2.3 manual with approximately 150,xxx miles on it.

canyoncritter · Apr 18, 2008

by chance you have a fram filter on it?..

pillen140 · Apr 18, 2008

dont use 20w50. yes, when you change your oil, always change the filter. never add more oil when its already full!

exbass94 · Apr 18, 2008

Do not use 20w-50 in that engine. Ever. If you want to get rid of start-up noise, try a full synthetic (in the correct viscosity). Synthetic has much better cold flow properties than conventional oil. (it's less thick and flows better when cold)

Simple_serf · Apr 18, 2008

I would stick with 5w-30 in that motor. DO NOT PUT THE 20w-50 IN IT!!!!

I would also check for the fram filter. hell, just go and do another oil change...and put on a motorcraft filter on it at the same time.

Valve noise after oil change

Razor-02

15+ Year Member

canyoncritter

15+ Year Member

pillen140

15+ Year Member

exbass94

15+ Year Member

Simple_serf

15+ Year Member

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