Bench Testing A Failing Starter
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Date: 2020-08-05
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Comments and reviews: 10
Jack
This brought to my mind of a time when I had borrowed mys sister's 1970's Mazda to drive to Atlanta (80 miles) - as soon as I got roughly half way there the car suddenly quit. Pulled on the side - opened the hood and after messing around looking anything out of the ordinary I saw the electric fuel pump (cars back then had the fuel located in the engine compartment) - I tapped on it and it began make it's running noise. Got back in and started driving only to have pump do the same thing again. So. I piece of wire in the trunk - tied it to the fuel pump and routed it up thru under the hood thru driver's side window. got back driving again. when the car started to sputter n' quit I'd just yank on the wire to get the fuel pump going again. was able to complete the trip. Lol!
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This brought to my mind of a time when I had borrowed mys sister's 1970's Mazda to drive to Atlanta (80 miles) - as soon as I got roughly half way there the car suddenly quit. Pulled on the side - opened the hood and after messing around looking anything out of the ordinary I saw the electric fuel pump (cars back then had the fuel located in the engine compartment) - I tapped on it and it began make it's running noise. Got back in and started driving only to have pump do the same thing again. So. I piece of wire in the trunk - tied it to the fuel pump and routed it up thru under the hood thru driver's side window. got back driving again. when the car started to sputter n' quit I'd just yank on the wire to get the fuel pump going again. was able to complete the trip. Lol!
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Jack
My ear told me it was bad. About 45 years ago ( ) I diagnosed a bad water pump just be ear. Early 70s Pontiac. The pump bearing was going which caused the fan blades to vibrate and give out a distinctive twang just as the engine started while I was walking by. I had the lady shut the engine off, pop the hood, and confirmed the bearing was going bad. I really freaked that lady out by diagnosing the pending failure just by the sound it made while starting!
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My ear told me it was bad. About 45 years ago ( ) I diagnosed a bad water pump just be ear. Early 70s Pontiac. The pump bearing was going which caused the fan blades to vibrate and give out a distinctive twang just as the engine started while I was walking by. I had the lady shut the engine off, pop the hood, and confirmed the bearing was going bad. I really freaked that lady out by diagnosing the pending failure just by the sound it made while starting!
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Dan
Starters on that Gen Civic very common failure, same with 13-17 4 cylinder Accords. Also another common problem with those Civics are the ac compressor clutch relays. Sticking closed and causing battery drain. And if car is running and ac is commanded off it will cause the blow off valve to relieve the pressure because the fans dont run so youll need new relief valve evac and recharge along with relay.
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Starters on that Gen Civic very common failure, same with 13-17 4 cylinder Accords. Also another common problem with those Civics are the ac compressor clutch relays. Sticking closed and causing battery drain. And if car is running and ac is commanded off it will cause the blow off valve to relieve the pressure because the fans dont run so youll need new relief valve evac and recharge along with relay.
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Steve
Why do the 'Japanese' car designers make them such a btch to work on? Older Tundra (4. 7) - the starter is under the intake manifold - the 5. 7's - the starter is sorta where GM puts them, but you gotta take the whole right side of the exhaust system off!
And both of them - to replace the water pump, you have to take apart the whole front end of the truck!
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Why do the 'Japanese' car designers make them such a btch to work on? Older Tundra (4. 7) - the starter is under the intake manifold - the 5. 7's - the starter is sorta where GM puts them, but you gotta take the whole right side of the exhaust system off!
And both of them - to replace the water pump, you have to take apart the whole front end of the truck!
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Aaron
Scopes/Graphs are the greatest! We used them in the consumer electronics biz (TV's, stereo's, CB's etc. It sounded good but it was erratic. I had a starter that would turn very slowly, like a bad battery turning. Took starter to my parts guy, pegged the amps on his tester, it was bad, new starter too. Great video!
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Scopes/Graphs are the greatest! We used them in the consumer electronics biz (TV's, stereo's, CB's etc. It sounded good but it was erratic. I had a starter that would turn very slowly, like a bad battery turning. Took starter to my parts guy, pegged the amps on his tester, it was bad, new starter too. Great video!
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cutehumor
I bought a junkyard starter and it tested good on the bench at junkyard. Installed in my car, it wouldn't start. I went back to junkyard as they have 30 day money back guarantee. Told me it tested good. Blew me off. I was out 35 bucks. I got scammed but couldn't prove it. This video shows why
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I bought a junkyard starter and it tested good on the bench at junkyard. Installed in my car, it wouldn't start. I went back to junkyard as they have 30 day money back guarantee. Told me it tested good. Blew me off. I was out 35 bucks. I got scammed but couldn't prove it. This video shows why
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David
Is there another way to verify/test the starter without a pico? My 2011 Buick Enclave suffers from the same symptoms, weak sounding crank (but she always starts, and the battery has already been replaced. I would love to know if there's another definitive way to verify the old starter.
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Is there another way to verify/test the starter without a pico? My 2011 Buick Enclave suffers from the same symptoms, weak sounding crank (but she always starts, and the battery has already been replaced. I would love to know if there's another definitive way to verify the old starter.
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Lackey
Memaww is reachin for the cornbroom to whack you. You didnt use the 120 grit on the commutator and replace the brushes and brush springs. Then wash with CRC contact cleaner A SPONSOR. Did Miss Marie put it back in? Do you coat the +cable end with anything and or the S terminal wire?
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Memaww is reachin for the cornbroom to whack you. You didnt use the 120 grit on the commutator and replace the brushes and brush springs. Then wash with CRC contact cleaner A SPONSOR. Did Miss Marie put it back in? Do you coat the +cable end with anything and or the S terminal wire?
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WingChun
So I'm wondering, could that starter had been repaired> Or did you have to charger her an arm and a leg and just get a new one? I think I need to go into the car repair business! thats a great racket! lol
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So I'm wondering, could that starter had been repaired> Or did you have to charger her an arm and a leg and just get a new one? I think I need to go into the car repair business! thats a great racket! lol
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throttle
why not amp test on vehicle? clear flood or ignition/fuel disabled. I'm going to say the issue would still show itself.
since most everything now has a large wire feeding starter motor only.
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why not amp test on vehicle? clear flood or ignition/fuel disabled. I'm going to say the issue would still show itself.
since most everything now has a large wire feeding starter motor only.
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