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2026. 7. 1. 작업
I have a car with top end noise. Cam in block, pushrod, ohv rocker arm design. Not a tap but more like a light rattle. I removed the hyd lifters and noticed I could push plunger down with my finger and oil squirted out side oil port on 2 of the lifters. The other lifters were pumped up and I could not compress plungers. Car was run yesterday so it had not been sitting days/weeks. Is this typical lifter action or does this point to the 2 lifters having issues?
To check for a bad lifter, you can remove the valve cover and wiggle the rocker arms; if you feel play or sponginess in a lifter, it may be bad. Additionally, you can soak the lifter in oil and try to push the plunger down; if it moves easily, the lifter is likely defective. Tester
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2003 Hyundai Santa Fe will start then die. Then it will not start. After pumping the accelerator or holding on the floor and returning later it will start. Nothing codes out. This happens probably 15% of the time. Any ideas?
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A friend has an older Miata that was improperly stored for at least three years. Most of the time, it was not garaged. The gas is old, the battery is dead, it has not been started. It was probably parked without an oil change. He is looking to do the minimum to get this sellable, so the primary concern is the initial startup and the brakes. What would be recommended , especially regarding that first engine startup?
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I am planning to start using seafoam in my gas and oil ,how often should you a add it an how much.The label isn’t to clear about it.
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I’ve asked a few mechanics and DIYers this question and so far no consensus. Let’s say you’re 1000 miles away from next SCHEDULED oil change, and you’re about to leave on a 2000 mile road trip. Would you choose to change your oil 1000 miles early before the trip, or 1000 miles late after the trip?