My Ford has an easily accessible fuel pump fuse, so each time I do an oil change I unplug it and run the starter for about 5 seconds. Is this going to enough to prevent a dry start? Should I even bother doing this?
priming the oil pump
- Thread starter semaj281
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What you're doing won't hurt. Or just pre-fill the oil filter, add your oil, and start the engine. You should be GTG. Some people can't, or don't pre-fill filters, don't prime the pump, and have no problems. There is still plenty of residual oil coating parts even after dumping your oil.
I start the motor and shut it off immediately. Then restart. Most fuel injected motors won't start if you hold the throttle open while cranking, so you probably don't have to pull a relay to do the same thing.
I can't see it harming anything but I also wouldn't bother.
I never do, I just fill the oil filter as much as I can when I install it.
It will take a lot longer to get the oil pumping than 5 seconds with the starter. Your just running your battery down and wearing out your starter doing this.
It's very false to believe there's no wear while cranking.
On hi po motors with big valvesprings this is one of the WORST things you can do. But it's not a great wear free time for any engine.
Fill the filter, etc., and start it up!
Five seconds of cranking is quite a lot for a starter that usually starts a car within a second, as they heat up pretty quickly. I would ask myself if the potential premature replacement of the starter is worth whatever benefit you think you're gaining by cranking the engine.
Originally Posted By: semaj281
My Ford has an easily accessible fuel pump fuse, so each time I do an oil change I unplug it and run the starter for about 5 seconds. Is this going to enough to prevent a dry start? Should I even bother doing this?
Why bother putting extra wear on the starter?
Pre-oil the filter and be happy when the oil light goes out. 
OK, I guess I was being OCD for no reason then. Thanks guys.
Originally Posted By: semaj281
My Ford has an easily accessible fuel pump fuse, so each time I do an oil change I unplug it and run the starter for about 5 seconds. Is this going to enough to prevent a dry start? Should I even bother doing this?
Back in the 1980s, many turbo cars recommended disabling the ignition and cranking the engine in order to protect the turbo.
Starting the car is better than slow useless cranking.
Originally Posted By: mechtech2
Starting the car is better than slow useless cranking.
I never do that. I just start the car, let it run for a few seconds, shut it off, top off the oil, and move on.
Alright, I have a oil change coming up in the next 2 weeks. I always fill the filter before i start the oil change as i can keep topping it off so the fiber is nice and soaked. Next, i let it drain up to 30 mins. then install. when i restart i always have a tick for 2-3 secs. I will try this method clear flood mode for 5 secs and see if the tick is still audible. ill let you know.
Originally Posted By: SL2
when i restart i always have a tick for 2-3 secs. I will try this method clear flood mode for 5 secs and see if the tick is still audible. ill let you know.
We are NOT talking about the very specialized demands of a freshly rebuilt engine.
Whole different ball game.
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Originally Posted By: mechtech2
We are NOT talking about the very specialized demands of a freshly rebuilt engine.
Whole different ball game.
Ben -
Once again, a fresh rebuild is WAY different than a broken in engine in a car that sits for a few weeks. A third grader can see this.
You don't know engines. I do.
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