Those who claim that frequent oil changes are NOT necessary and a waste of money are very ill informed.Ĭlick to expand.Agreed. Any clogging from a bad oil filter or the lac of frequent oil change will result in wear and premature failure. The orifice that feeds the timing chain guide lubricator is very small and must be kept clear. That's why the oil retention valve that prevents drain back to the crankcase at startup is so important. Any starvation will cause excess wear on the nylon or polyoxymethyline Delrin guides. Timing chains need to be continuously lubricated, even at time of engine startup. When the engine designers switched back to timing chains, instead of belts, the "retention" valve and filter again became very important to the life of the engine. The oil retention valves were too "iffy," so the OEM's went to the canister with their own certified design. Most filter elements have no metal and no oil retention valve. Too much oil and was retained in the metal canister and went to the land fills.
It started in Europe, went to Asia, and is NOW in the US. I can't wait for $50 oil change coupons to come back.Ĭlick to expand.It's called RoHS. There's no way the filter will release on its own so I'll just put it back in next time. I'm not opening up that stupid plastic flap again. I forgot to put that stupid metal clip back at the oil filter. Can't do it on this car as the oil filter is now just the paper element. Last time I had this issue, I put a screwdriver through the filter. I couldn't change the filter so I'm not sure what I am going to do now. Luckily the thread broke on the tool and not the oil filter cap. Oil filter was so tight, I broke my oil filter release tool. There is a little metal clip that is supposed to prevent the oil filter from twisting off on its own. How can Toyota go so wrong a decade later? I ended up jacking the Prius precariously a little more and wedging a piece of wood under the front passenger wheel. Everything was towards the front of the car so I didn't even have to put my head underneath the car, no need to jack up the car. This is ridiculous, I used to change the oil on my 1998 Corolla by feel alone. If the car is not high enough off the ground, the flap will prevent you from placing the catch tub underneath the drain plug. It has to open all way because the hinge for the flap is right at the drain plug. There is a stupid plastic flap covering the oil filter and drain plug. The one wheel on the curb trick doesn't work for a Prius. Material cost for the more expensive 0w20 synthetic oil is only $40. 60k miles rolled past on my PiP and all the local dealers wanted $80 for an OCI, they used to do it for $50 with a coupon. For an extra $5, I was happy to pay the local grease monkey to do it for me. I stopped when the cost of material approached $15 for dino oil. I haven't changed engine oil in a car for over a decade.
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