11-07-2019, 09:55 AM
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#16
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Quote:
Originally Posted by Bad Luck
When you filled your coolant did you use a spill free funnel and elevate the front end?
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yep, I guess I could hook it back up and try to burp it some more
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11-07-2019, 10:01 AM
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#17
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Quote:
Originally Posted by bdjcl
yep, I guess I could hook it back up and try to burp it some more
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It's worth a shot. You probably already know this but make sure the vehicle gets hot enough to open the thermostat, and the front and rear heat are on. I ended up raising my 4Runner a couple feet in the front to get an air pocket out.
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11-07-2019, 11:59 AM
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#18
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Quote:
Originally Posted by pluton
Could it be the normal self-test performed by the ABS device under the hood? On mine it happens at about 5 seconds after I turn the ignition on, whether I immediately start the engine or not. It's probably not loud enough to hear once the engine is running, though.
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On 96-97 it runs about 5 seconds after switching the ignition to the "on" position. But on my 1998 Limited the test runs after the starting it and driving off a few feet. I think this is what OP is experiencing.
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11-07-2019, 12:11 PM
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#19
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Quote:
Originally Posted by T4R2014
On 96-97 it runs about 5 seconds after switching the ignition to the "on" position. But on my 1998 Limited the test runs after the starting it and driving off a few feet. I think this is what OP is experiencing.
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yes, that's exactly when I hear the sound, after starting it and driving off a few feet. Is the liquid I think I'm hearing likely brake fluid?
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11-07-2019, 12:15 PM
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#20
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Quote:
Originally Posted by bdjcl
yes, that's exactly when I hear the sound, after starting it and driving off a few feet. Is the liquid I think I'm hearing likely brake fluid?
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Possibly, all I know is that it is the ABS pump, which is cycling brake fluid.
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11-07-2019, 12:29 PM
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#21
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Quote:
Originally Posted by T4R2014
Possibly, all I know is that it is the ABS pump, which is cycling brake fluid.
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ah yes, I think you're on to something! Is the ABS pump the device on the passenger side that has a number of hard lines coming out of the top?
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11-07-2019, 12:54 PM
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#22
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Quote:
Originally Posted by bdjcl
ah yes, I think you're on to something! Is the ABS pump the device on the passenger side that has a number of hard lines coming out of the top?
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Yes. That's it.
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11-07-2019, 12:58 PM
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#23
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Quote:
Originally Posted by Bad Luck
Yes. That's it.
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thought so...I'm having an unnatural amount of trouble finding it on any of the parts sites...
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11-07-2019, 03:08 PM
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#24
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Yeah, its the ABS pump doing a test cycle/pump. Normal, don't worry about it.
It actually makes the sound a few seconds after you remove your foot from the brakes. For me, the sound comes after I have backed out of the driveway (a bit downhill, so brakes are on) and shift into drive on the way down the street.
-Charlie
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11-07-2019, 04:15 PM
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#25
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Quote:
Originally Posted by phattyduck
Yeah, its the ABS pump doing a test cycle/pump. Normal, don't worry about it.
It actually makes the sound a few seconds after you remove your foot from the brakes. For me, the sound comes after I have backed out of the driveway (a bit downhill, so brakes are on) and shift into drive on the way down the street.
-Charlie
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cool, I'm gonna do some testing when I get home but I'm about 90% certain this is what it is. thanks everybody!
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11-07-2019, 04:50 PM
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#26
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Quote:
Originally Posted by phattyduck
Yeah, its the ABS pump doing a test cycle/pump. Normal, don't worry about it.
It actually makes the sound a few seconds after you remove your foot from the brakes. For me, the sound comes after I have backed out of the driveway (a bit downhill, so brakes are on) and shift into drive on the way down the street.
-Charlie
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Exactly how it cycles on my 1998. My guess is that it is the same cycling routine for 98-00.
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11-07-2019, 09:51 PM
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#27
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My 2000 4R and our 01 Camry do the brake check as others have said. As yours makes that sound, if it is the brake check, you should also feel a faint pulse or vibration in the brake pedal with the sound. In both of our Toyotas they do it as in the first 15 feet or so as we're backing out of the driveway and I feel the brake check in the pedal since my foot is applying slight pressure on the pedal.
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