SOHC.co.uk Forums > CB350/400
400 Four Oil filter - "genuine" or "aftermarket" ?
Bryanj:
Youm is too smartish Ken, how many rebuilds you seen when people havent even looked at the pump?
K2-K6:
--- Quote from: Trigger on September 06, 2023, 07:11:14 PM ---A lot of the spin on types come with the tool these days. A lot of manufactures have a toque setting now because of the high pressure oil pumps.
The main Land rover dealer near me employed a guy in his mid 50's to be a service technician. After a couple of weeks of him working, they had a number of Range rovers and Land rovers returned with blown engines or massive leaks. He was putting the oil filters on and doing them up hand tight ( as he has always done ) The o'ring had been blown out due to the oil pressure :o
--- End quote ---
Interesting detail. I work quite a bit on VAG cars and haven't seen a spin on for years. They compromise of a "canister" into which the filter element is placed, then a top like a bowler hat shape with o-ring groove in the threaded portion that "sleeves" down inside the canister bore. No way out for o-ring, very easy to tighten, and low torque. Thought they were a bit M-Mouse when came across them originally, but absolutely excellent design and no metal filter housing to dispose of. I appreciate thinking that's really clever like this.
And 36mm socket fit to work them, same as my Triumph front sprocket nut ;D
TrickyMicky:
--- Quote from: K2-K6 on September 06, 2023, 07:51:17 PM ---I view it as a circular argument, if the oil does its job properly, then you dont "need" a filter.
Observing what's trapped in the filter, shows what failed in the lubrication abilities of the oil and system in which it's operating ;D
The oil is absolutely the primary protection for a running engine, the filter primarily stops SOME of that debris going round the system again, meaning the oil failed to what was asked of it.
The filter doesn't stop PRIMARY wear, the oil does.
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. Firstly, I will admit to only using genuine Honda oil filters, and keeping a written log of mileage/oil changes etc., and yes, living close to Silvers does help! Re. the need for filters, during the 60'and 70's I worked for London Transport buses, and at that time they operated 7,000 RT type vehicles equipped with AEC Diesel engines using a dry sump system and NO oil filter! A strict service regime was operated and they lasted an incredible long time.
Trigger:
A lot of small Honda's never even had a oil filter. ;)
Oddjob:
--- Quote from: Bryanj on September 06, 2023, 08:08:00 PM ---Youm is too smartish Ken, how many rebuilds you seen when people havent even looked at the pump?
--- End quote ---
Quite a few Bryan. Seems it's something they overlook.
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