12-07-2020, 05:01 PM
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#1
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Junior Member
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Location: Rockwall Texas
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'99 Power Steering Issue
Hello All! Great Forum!
Looking for some help with my '99 SR5. The power steering pump started to go so I took it to a local mechanic and he replaced the pump and the rack but it still made noise. He replaced that pump under warranty and it still made noise. Again, he replaced with a 3rd (slightly upgraded) pump and IT'S STILL noisy as hell.
I'm fairly sure the guy isn't incompetent (maybe just not that familiar with the intricacies of the 4Runner) but for the life of me, what could he possibly be doing wrong or have missed!?
It can't be rocket science. If you've replace the rack and the pump, what else could there be?
Any help is greatly appreciated. I'm at my wits end!
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12-07-2020, 05:46 PM
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#2
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What brand of PS pump is he using, is it loud all the time or just when turning the wheel, Is he using Dex III, is he jacking the front of the truck up and turning the wheels fully left and right a few times to get all the air out of the system before putting the pump under load. My guess is the quality of the pump or fluid being used, or there is air trapped in the system.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
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12-07-2020, 05:51 PM
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#3
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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 JasonDoyle
Hello All! Great Forum!
Looking for some help with my '99 SR5. The power steering pump started to go so I took it to a local mechanic and he replaced the pump and the rack but it still made noise. He replaced that pump under warranty and it still made noise. Again, he replaced with a 3rd (slightly upgraded) pump and IT'S STILL noisy as hell.
I'm fairly sure the guy isn't incompetent (maybe just not that familiar with the intricacies of the 4Runner) but for the life of me, what could he possibly be doing wrong or have missed!?
It can't be rocket science. If you've replace the rack and the pump, what else could there be?
Any help is greatly appreciated. I'm at my wits end!
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There's several possibilities. He may have put power steering fluid instead of Dexron 3 transmission fluid in the reservoir, the reservoir screen is gunked up, or the power steering system wasn't bled properly. Take a look at your power steering fluid after you drive for a little bit. It should be red without any bubbles/foam. If it's not red then he used the wrong fluid and it will need to be flushed. If it's foamy/bubbly/pinkish then there is still air in the system. If the fluid is red without foam or bubbles then the reservoir screen is likely clogged with gunk and starving the power steering pump of enough fluid.
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2000 SR5 V6 Manual 4WD https://www.toyota-4runner.org/3rd-g...biography.html
2000 Limited V6 Auto E-Locker Sold 3/2022
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12-07-2020, 08:20 PM
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#4
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Location: Central Kentucky
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Real Name: Dave Warren
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Hi, Jason,
Sorry to hear you are having issues with your power steering pump. I just flushed my fluid and cleaned the reservoir screen this past weekend. Made a BIG difference as my pump was starting to make noise.
Go to the TOP STICKY POST with the DIY Maintenance videos. MTB TIM (Timmy the Toolman) has a great video. Cleaning the reservoir screen will help a lot as a dirty screen severely restricts flow to the suction side of the pump.
Let us know how it goes, what you find out.
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"Roscoe" 98 SR5 Sunfire Red 5 Speed - NOW with Factory E-Locker
"Patriot" 98 SR5 Natural White 5 Speed Supercharged - Thanks Stacey!
99 RAV4 AWD Green 5 Speed w/OME lift springs - thinks it's a 4Runner.......
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12-07-2020, 08:28 PM
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#5
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The 3 new PS pumps he put on come with a new screen, so I doubt the screen is clogged.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
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12-07-2020, 09:20 PM
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#6
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Quote:
Originally Posted by Malcolm99
The 3 new PS pumps he put on come with a new screen, so I doubt the screen is clogged.
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Depends. You can buy the pumps with reservoir or without. . I know when my got damaged from a fluid leak. I had it changed and the nipple blew on the power steering rack and my new pump got noisy. I wasn't happy until a got a used OEM pump and cleaned the screen. Nothing beats the OEM pumps as they are quiet if working properly. 
Sent from my SM-J337V using Tapatalk
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7 3rd gens listed in the build thread (2 are parts mobiles)
Build Thread: https://www.toyota-4runner.org/3rd-g...os-builds.html
Brillo's Bucket Fluid Ex changer: https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information: https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html
Last edited by brillo_76; 12-07-2020 at 09:33 PM.
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12-08-2020, 10:06 AM
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#7
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Quote:
Originally Posted by Malcolm99
The 3 new PS pumps he put on come with a new screen, so I doubt the screen is clogged.
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Like brillo said, the screen is located in the reservoir and the pump can be bought with or without the reservoir.
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2000 SR5 V6 Manual 4WD https://www.toyota-4runner.org/3rd-g...biography.html
2000 Limited V6 Auto E-Locker Sold 3/2022
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12-08-2020, 11:02 AM
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#8
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Ya I caught that x2^, if he's putting "upgraded" pumps on or aftermarket, and since he put on 3 and a new rack I would hope the installer put a new pump with reservoir and clean screen, wouldn't ya think gents.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
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12-08-2020, 11:45 AM
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#9
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Senior Member
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Quote:
Originally Posted by Malcolm99
Ya I caught that x2^, if he's putting "upgraded" pumps on or aftermarket, and since he put on 3 and a new rack I would hope the installer put a new pump with reservoir and clean screen, wouldn't ya think gents.
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I don't assume anything when it comes to vehicle repairs
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2000 SR5 V6 Manual 4WD https://www.toyota-4runner.org/3rd-g...biography.html
2000 Limited V6 Auto E-Locker Sold 3/2022
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12-08-2020, 08:03 PM
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#11
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All aftermarket and "upgraded" PS pumps ALL come with a reservoir, since he has done 3 pumps I would assume, so we'll see if this makes an ass outta u or me. OP?
*and the chances a garage is going to use OEM parts are slim to none unless it's a dealer or specifically demanded.
__________________
99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
Last edited by Malcolm99; 12-08-2020 at 08:18 PM.
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12-08-2020, 08:49 PM
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#12
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Elite Member
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Elite Member
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Quote:
Originally Posted by Malcolm99
All aftermarket and "upgraded" PS pumps ALL come with a reservoir, since he has done 3 pumps I would assume, so we'll see if this makes an ass outta u or me. OP?
*and the chances a garage is going to use OEM parts are slim to none unless it's a dealer or specifically demanded.
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Mine didnt. So that means not all aftermarket PS came with a reservoir.
Maybe most do that's possible but I am 100% certain my aftermarket vane pump didnt come with a reservoir.
Sent from my SM-J337V using Tapatalk
__________________
7 3rd gens listed in the build thread (2 are parts mobiles)
Build Thread: https://www.toyota-4runner.org/3rd-g...os-builds.html
Brillo's Bucket Fluid Ex changer: https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information: https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html
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12-08-2020, 09:14 PM
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#13
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A quick search on rockauto shows all but one power steering pump listed without the reservoir, so the first thing I would check is if the original reservoir is still there and if it is how does the screen look.
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12-09-2020, 10:35 AM
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#14
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Senior Member
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Quote:
Originally Posted by Malcolm99
All aftermarket and "upgraded" PS pumps ALL come with a reservoir, since he has done 3 pumps I would assume, so we'll see if this makes an ass outta u or me. OP?
*and the chances a garage is going to use OEM parts are slim to none unless it's a dealer or specifically demanded.
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Only 1 of 4 power steering pumps listed on oreilly's, 3 out of 4 at autozone, 2 out of 9 at advanced auto parts has a reservoir.
Edit: Maybe this makes an ass out of both of us. Me for spending the time researching, and you for putting that statement out there without researching at all. 
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2000 SR5 V6 Manual 4WD https://www.toyota-4runner.org/3rd-g...biography.html
2000 Limited V6 Auto E-Locker Sold 3/2022
Last edited by Bad Luck; 12-09-2020 at 10:38 AM.
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12-09-2020, 02:49 PM
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#15
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Quote:
Originally Posted by Bad Luck
Edit: Maybe this makes an ass out of both of us. Me for spending the time researching, and you for putting that statement out there without researching at all. |
I went straight to rock auto to verify this also! Your not the only one.
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-1996 4Runner. 3RZ 5-Spd. 4x4 Base model. OME2906/Toyota OEM rears with 2004 Tacoma Dual Rate Fronts on Bilstien 4600s.
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