04-18-2019, 10:34 AM
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#1
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Join Date: Jan 2015
Location: Huntsville, AL
Posts: 377
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Member
Join Date: Jan 2015
Location: Huntsville, AL
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Grinding noise on startup
I've been a bit dead on the forums lately. Haven't had much exciting going on with the Runner over the last year. It usually only gets driven once or twice a week.
Over the winter, i started getting this intermittent grinding noise on startup. It'll start like normal, but immediately after it turns over and starts, there will be a grinding noise that might last a half a second. I'm guessing it's the starter. About 2 years ago I did rebuild it due to the plunger sticking, but didn't have any problem with it until maybe 4 months ago. It doesn't seem to happen as much when I've been driving it more, but that isn't exactly a scientific observation. Any thoughts on what it might be?
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04-18-2019, 02:42 PM
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#2
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
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Real Name: Jerod
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Elite Member
Join Date: Oct 2014
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Real Name: Jerod
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Yeah, it could be the starter gear not fully retracting in time and contacting the flexplate after the engine starts.
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04-18-2019, 07:27 PM
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#3
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Junior Member
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Join Date: Oct 2012
Location: Denver, CO
Posts: 11
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Location: Denver, CO
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Quote:
Originally Posted by jpeaslee
I've been a bit dead on the forums lately. Haven't had much exciting going on with the Runner over the last year. It usually only gets driven once or twice a week.
Over the winter, i started getting this intermittent grinding noise on startup. It'll start like normal, but immediately after it turns over and starts, there will be a grinding noise that might last a half a second. I'm guessing it's the starter. About 2 years ago I did rebuild it due to the plunger sticking, but didn't have any problem with it until maybe 4 months ago. It doesn't seem to happen as much when I've been driving it more, but that isn't exactly a scientific observation. Any thoughts on what it might be?
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I just recently had something similar happen to me, but intermittently. When I would start the car, it would start fine, but a loud screeching/metal scraping sound would occur for like 1/2 a second. It turned out to be the flywheel scraping against a loose bolt on the steering pulley. The shop found it and tightened the bolt and never heard it again.
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04-20-2019, 10:52 AM
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#4
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Join Date: Apr 2011
Location: Death Valley
Posts: 591
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I had this years ago. I bought a new starter to replace mine but when I pulled it out I found it was only the washer on the starter. It got loose and would push out with the starter gear and grind for half a second before being pulled back in with the gear.
I just replaced the starter since I had it out already and it was pretty old. I would have just fixed the washer if I could go back and kept the OEM. The auto zone one has been fine for the last 6 years though.
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04-22-2019, 02:21 PM
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#5
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Junior Member
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Join Date: Feb 2019
Location: Sandy, UT
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It could be your starter motor. My 99' was making the same noise and upon pulling the starter, I discovered the gear was pretty well eaten away. A new one was about $100 from autozone and an hour and a half to two hours worth of work to diy. Starts up great and with no grinding noise everytime now.
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06-09-2022, 07:59 AM
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#6
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Join Date: Feb 2022
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Just to confirm, is this kinda what the noise sounds like? A low pitch grinding noise, accompanied by some sporadic higher pitch noises (which didn't come through on the video?) It sounds a whole lot worse in this video than in real-life -- way more prominent. I hear it only at startup and for the first few minutes of my drive. I've been having this happen kinda randomly for the past week or two
https://www.youtube.com/watch?v=f0QY5eVV0R4
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06-09-2022, 08:19 AM
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#7
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Elite Member
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Join Date: Aug 2013
Location: Stouchsburg PA
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If it’s making that noise after the engine is running for a few min I don’t think it’s the starter.
Look at the Alt. It’s bearings may be going bad.
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06-09-2022, 10:25 AM
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#8
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Senior Member
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Join Date: Feb 2019
Location: Hot Springs, AR
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Real Name: Patrick
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Quote:
Originally Posted by cnd4747
Just to confirm, is this kinda what the noise sounds like? A low pitch grinding noise, accompanied by some sporadic higher pitch noises (which didn't come through on the video?) It sounds a whole lot worse in this video than in real-life -- way more prominent. I hear it only at startup and for the first few minutes of my drive. I've been having this happen kinda randomly for the past week or two
Grinding noise on 2003 Toyota 4Runner LE on startup - YouTube
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It's hard to tell from the video. You might try looking in the 4th gen section since your 2003 is a 4th gen. They might be able to recognize it easier.
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06-09-2022, 12:53 PM
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#9
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Junior Member
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Join Date: Feb 2022
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Quote:
Originally Posted by Bad Luck
It's hard to tell from the video. You might try looking in the 4th gen section since your 2003 is a 4th gen. They might be able to recognize it easier.
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Oop, didn't even notice -- thanks for the tip. I'll try posting there. I definitely think the loose flywheel bolt is the most likely issue, though the alternator is a good point I hadn't thought of.
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06-09-2022, 10:36 PM
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#10
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Senior Member
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Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
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Real Name: 3 Bears
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Quote:
Originally Posted by dingobaby
I just recently had something similar happen to me, but intermittently. When I would start the car, it would start fine, but a loud screeching/metal scraping sound would occur for like 1/2 a second. It turned out to be the flywheel scraping against a loose bolt on the steering pulley. The shop found it and tightened the bolt and never heard it again.
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what ?
sounds more like the nut behind the steering wheel or blinker fluid
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