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2004 BMW 745i dash reading Steering!, power steering low/hydraulic suspension system. Where is the power steering reservoir located?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2004 BMW 525i Active Steering problem

The Active Steering system uses a Papst brushless dc motor to rotate the cage (ring gear) containing the planet gears a planetary gearbox at the bottom of the steering column. The motor effectively changes the steering ratio by increasing or decreasing the amount of gearbox output rotation relative to changes in the steering-wheel angle input. The resulting ratio depends on the speed of the car. For instance, a low 10:1 ratio gives high maneuverability for parking in tight spaces, with less than two turns of the steering wheel, lock to lock. To track straight at highway speeds, where even a small steering input can produce a quick sideways acceleration, the electric drive boosts the ratio to 20:1. Cars without Active Steering typically have ratios halfway between (specifically 14.1:1 for the BMW).
....
Now, if your active steering does not work , the car reverses back to power steering and the ratio is 15.1:1 so the car can be driven but the "active steering " is not working and still needs to be fixed.
It the unit needs to be replaced and your car is not under warranty, the repair cost may reach 5000 dollars.

Posted on Oct 29, 2008

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Atyourdoor
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SOURCE: BMW 745i airbag light. Told to replacing airbag clockspring

Hello , check the airbag contact sensor behing the grill assembley . They are located to the left and right of the grill almost to the headlight assemblies. Check the wires to them for corrosion and damage. Check the fuse as well. There should be an air bag testing wire or fuse in the fuse panel. DO NOT UNPLUG THE AIR BAG SENSORS OR HIT THEM !!

Posted on Aug 22, 2009

emissionwiz
  • 76164 Answers

SOURCE: steering makes a whining noise - where is the fluid reservoir?

the suspect part for a power steering whine is the power steering pump, flush (very important) the system and replace the PS pump..

Posted on Mar 30, 2009

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SOURCE: power steering electronic over hydraulic is not

Hi,

my 2004 RX8 has the same problem - can you let me know if you get a fix. deantom22@sky.com

Thanks very much

Dean

Posted on Mar 04, 2010

  • 47 Answers

SOURCE: Which ATF fluid for BMW 2001 330Ci power steering?

Dexron III ATF is what BMW called for in the power steering pump in these models. However, GM no longer makes a type-III ATF!

Nice thing about GM Dexron specifications is that any higher numbered fluid meets the requirements of previous, lower numbered fluids. What does this mean? Siphon out as much as the old junk as you can. Refill with Dexron III and if you cannot find that? A common on the shelf *upgraded* synthetic fluid can be found in Dexron VI that more than adequately surpasses previous Dex-III specifications. So use with confidence! Pour and forget...

Posted on May 10, 2010

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2 Answers

Brake pedal hard with engine running, same as engine off


Check fluid levels in your power steering/brake reservoirs and look for hydraulic fluid leaks in the power steering and brake lines. Could be a bad power steering pump too. Your owners manual should show positions of hydraulic reservoirs.

Jun 15, 2015 | 2004 Cadillac CTS Sedan

2 Answers

Where can I find the power steering resevior


there is a good reason why you can not find the power steering reservoir. It does not have one.

You vehicle has electronic power steering. There is no hydraulic pump, hoses, or reservoir. The steering column has an electric motor and a control unit mounted to it under the dash.

Feb 22, 2012 | 2004 Chevrolet Malibu

1 Answer

Cant find power steering resevior


there is a good reason why you can not find the power steering reservoir. It does not have one.

You vehicle has electronic power steering. There is no hydraulic pump, hoses, or reservoir. The steering column has an electric motor and a control unit mounted to it under the dash.

Feb 22, 2012 | 2004 Chevrolet Malibu

1 Answer

My 2001 bmw 325 cic started making an awful grinding noise today when moving the steering wheel at all to the left or right. Can also hear the noise under the hood.


It sounds like your car is low on power steering fluid. When the power steering fluid is low, the power steering pump is running dry, which makes a grinding or moaning sound. Check the power steering fluid level and top up if necessary. It should be on the left side of the engine compartment. Your owners manual should have the exact location of the power steering reservoir, and what type of power steering fluid to use.
Good luck
Matt

Jun 22, 2011 | 2001 BMW 325

1 Answer

I need to add power steering fluid on my 2006 chevy malibu V6 3.5 liter engine were is it located


You will want to verify you have hydraulic power steering. Electronic power steering was an option on Malibu's and this may be why you cannot find the reservoir. The power steering pump would be driven by the belt in the event you have a hydraulic system. Thus making it easy to locate.

Feb 27, 2010 | 2006 Chevrolet Malibu

2 Answers

Power steering fluid or ATF


Yes There Is ONLY ONE PLACE for Power Steering Fluid.

ZF Gemmer Steering

The ZF Gemmer steering is permanently filled with oil. There is no drain plug.

ZF Rack and Pinion Steering Without Power Assist

The ZF rack and pinion steering is lubricated for its service life and therefore does not require servicing.
In case of repair, steering components on E21 vehicles are to be lubricated with a sodium-based grease, with a temperature range of -30°C to +75°C .
Calypsol D 4024 BMW Part No.32 11 1 116 929

Ball and Nut or Rack and Pinion Power Steering

Only reputable brand Automatic Transmission Fluid (ATF) of Dexron® III formulation may be used for the power steering and power steering pump.
In case of brief hydraulic noise after starting at low outside temperatures, we recommend replacing the red ATF with green CHF or LHM oil (see below).

ZF Ball and Nut Power Steering with H31 System

The approved oils for BMW models with power steering and the H31 brake booster system are identical with those oils approved for power steering without the H31 system except for the following:

E32 models with self-leveling rear suspension and mutual oil supply tank in the engine compartment.
Countries with very low outside temperatures (e.g. Canada) had their power steering systems filled at the factory with Pentosin CHF 7.1 since 9/87 through 9/91. This is also to be used on vehicles built before 9/87.

Since 9/91, vehicles now use Pentosin CHF 11S instead of CHF 7.1.

Pentosin CHF 7.1 BMW Part No.81 22 1 468 879
Pentosin CHF 11S BMW Part No.82 11 1 468 041

These cars are marked with a pertinent label located close to the oil tank.

LHM oils (green color) of the following manufacturers may also be used instead of Pentosin (CHF 7.1):
Shell LHM
Castrol LHM
Exxon LHM

The mixing of CHF, LHM oils and ATF is not permitted.

Pentosin CHF 4548 was used on vehicles built before 9/87 but is no longer available. However, mixing of Pentosin CHF 7.1 with residual quantities of Pentosin CHF 4548 are permiffed in these earlier vehicles. Mixing of these two oils is not permitted for E32/E38 vehicles.

The hydraulic system for power steering and power-assisted brakes must be drained as completely as possible when changing from one type of oil to the other.
All oil supply reservoirs are marked with the type of oil being used - ATF or CHF.

Jun 03, 2009 | 2003 BMW 325

1 Answer

Where is power steering located?


the power steering reservoir is located on the right side of the engine compartment. It is down low in the engine compartment between the intake and air box

May 03, 2009 | 1997 BMW 318

3 Answers

Steering makes a whining noise - where is the fluid reservoir?


the suspect part for a power steering whine is the power steering pump, flush (very important) the system and replace the PS pump..

Mar 30, 2009 | 2004 Mini Cooper

1 Answer

When i turn the steering wheel from left too right the wheel feels lumpy and heavy- though not all the time. some days it would be fine - i have checked the wheels and tyres for lumps or bulges these are...


It could be the pump, or you could also be low on power steering fluid. First off, check the level of the fluid and make sure it's adequate. Next, you can "burp" the power steering system easily, which will get rid of any air bubbles that could be in there. Easiest way is to jack the front end off the ground (both wheels), start the engine, take off the power steering fluid reservoir cap, and turn the wheel side to side as far as it'll go, several times. This circulates the fluid through the system and pushes any bubbles in there up to the reservoir, where they'll float up to the top and "burp" into the air.

If neither of those things works, you may have problems with the steering rack and pinion, or possibly with your suspension (check the tie rods, inner and outer, as well as the bushings in the various suspension pieces).

Jul 25, 2008 | BMW 318 Cars & Trucks

1 Answer

Power steering pump connections high and low pressure outputs


top rear most line comes from the pressure regulator, rear side outlet at angle line goes to oil cooler then to fluid reservoir. Smallest of all three lines is a pressure line that goes to the rear self leveling system.

Jun 16, 2008 | 2006 BMW 750Li

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