Knocking noise
#1
Knocking noise
Hi All, I am new to the forum, I have a Honda Accord Aerodeck 2.0 LSi 1995 and I have notice a knocking noise when the engine is hot and has been running a while. When starting from cold there is no noise however after driving a while the noise returns. I am not sure what to do and or how to solve the problem. I would welcome any suggestions or help. Many thanks and a happy new year. SRK
#6
your complaint is about an engine noise
I looked this up once. 75W-90 (or was it 80W-90?) tranny oil has kinda the same viscosity as 10w-40 motor oil; different scales, confusing.
I have '97 and a '92 Accords, 4 cylinders. I use 5W-30 engine oil in the engine.
You're using kinda 10W-40 in engine, but with tranny service designation.
Don't know if this is big enough difference to make noise over time...
I looked this up once. 75W-90 (or was it 80W-90?) tranny oil has kinda the same viscosity as 10w-40 motor oil; different scales, confusing.
I have '97 and a '92 Accords, 4 cylinders. I use 5W-30 engine oil in the engine.
You're using kinda 10W-40 in engine, but with tranny service designation.
Don't know if this is big enough difference to make noise over time...
Last edited by UhOh; 01-11-2013 at 03:00 PM.
#7
I wouldn't use gear oil in the engine. There's a lot of different properties besides viscosity ranges.
Engines have a lot of sliding contact (journal bearings, piston rings). Meanwhile transmissions have more rolling contact (ball bearings & hypoid gear teeth). Engines have to deal with combustion products making the oil acidic, so there's additives to counteract that.
Engines have a lot of sliding contact (journal bearings, piston rings). Meanwhile transmissions have more rolling contact (ball bearings & hypoid gear teeth). Engines have to deal with combustion products making the oil acidic, so there's additives to counteract that.
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