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Bosch Rotak 40

Motor cut out intermittently, then went dead. I've changed fuse & checked wiring in the handle for loose connections...

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1596 Answers

SOURCE: 2005 Town Country front blower motor inop fuse/relay ok

Break Down And Replace The Blower Motor


REMOVAL

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIR-BAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN AN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY OR DEATH OR DEATH.

NOTE: The blower motor is located on the passenger side of the vehicle under the instrument panel. The blower motor can be removed from the vehicle without having to remove the HVAC housing.

  1. Disconnect and isolate the negative battery cable.
  2. Remove the passenger side cowl trim panel.
  3. Position the carpet to access the front upper screw that secures the air inlet housing.
  4. Remove the recirculation door actuator.
  5. Disconnect the blower motor wire lead connector from the blower motor resistor or power module, depending on application.
    1. Remove the one screw (from the top) that secures the lower air inlet housing to the upper air inlet housing.
    2. Remove the four screws (from the bottom) that secure the lower air inlet housing to the upper air inlet housing and remove the lower HVAC housing.
    3. Push the rubber grommet through the opening in the lower air inlet housing.
    4. Route the blower motor wire lead through the opening in the lower air inlet housing and remove the lower air inlet housing from the vehicle.
    5. Position the recirculation-air door as necessary to access and remove the three screws that secure the blower motor to the lower half of the HVAC housing.
    6. Gently flex the recirculation air door downward to gain access to remove the blower motor from the HVAC housing. NOTE: To aid in installation, note the position of the blower motor mounting tabs prior to removal
      1. Remove the blower motor from the HVAC housing by rotating and tilting the blower motor as necessary.
      INSTALLATION

      1. Gently flex the recirculation-air door downward to gain access to install the blower motor into the HVAC housing.
      2. Position the blower motor to the HVAC housing and tilt and rotate the blower motor as necessary to install it into the HVAC housing.
      3. Align the blower motor mounting tabs to the locations noted during removal and install the three screws that secure the blower motor to the HVAC housing. Tighten the screws to 2 N·m (17 in. lbs.).
      4. Route the blower motor wire lead through the opening in the lower air inlet housing and seat the rubber grommet.
      5. Position the recirculation door pivot shaft into the lower air inlet housing and install the inlet housing.
      6. Install the four screws (from the bottom) that secure the lower air inlet housing to the upper air inlet housing and the lower HVAC housing. Tighten the screws to 2 N·m (17 in. lbs.).
      7. Install the one screw (from the top) that secures the lower air inlet housing to the upper air inlet housing. Tighten the screw to 2 N·m (17 in. lbs.).
      8. Connect the blower motor wire lead connector to the blower motor resistor or power module, depending on application.
      9. Install the recirculation door actuator.
      10. Reposition the carpet.
      11. Install the passenger side cowl trim panel.
      12. Reconnect the negative battery cable.
      13. Perform the heater-A/C control calibration procedure.

Posted on Feb 07, 2009

  • 277 Answers

SOURCE: radio/cd player went dead. Tried replacing fuses

where you bought the new radio.. they should have asked if you need a Auto adapter.
So if you put this radio in a GM, you get a GM adapter
If it was a Toyota, then a Toyota Adapter
These adapter take away all the trouble of finding the right wires because they are prewired for the vehicle you want to install

Posted on Jul 31, 2010

kirkx
  • 2019 Answers

SOURCE: Blower Motor works erratic. If

Neither relay nor resistor if handling the wiring harness makes it cut in and out.
It is either a connection in the harness, cut insulation in the harness, or broken wire in the harness.
Try different speeds. If it is all speeds, then it is the ground connection that is erratic.

Posted on Oct 09, 2010

dttech
  • 4803 Answers

SOURCE: vw polo abs light won't

Well, first of all, did you fix the problem that caused the fuse to blow? Have you scanned you Antilock Brake System (ABS) module for fault codes? Since the computer is the one responsible for turning the light on, wouldn't you think that the computer would be the one to ask WHY it has turned the light on?

Please also review the following articles:

Where's The Fuse?

What Else Could Be Wrong?

Posted on Sep 11, 2011

dttech
  • 4803 Answers

SOURCE: My radiator cooling fans have no power and the 40 amp fan fuse is good, what's wrong?

There are many things that can cause your radiator fans to not get power. However, the most common cause is the fan control module. Some people call it a "fan control relay", (including many aftermarket parts retailers) but it is actually a solid state control module, not a relay.

Check for power in and out of the module. It is best if you have access to a scan tool that has system test capabilities so you can command the fans to turn on with the computer. Otherwise, you will have to get your engine really hot and see if the power is being sent from the control module to the fan motors.

The fan control module is located on the inside of the left frame rail (driver's side) just behind the radiator. You will have to get under the vehicle to see it. It looks like the picture below.


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Posted on May 04, 2012

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1 Answer

Bosch Rotak 40 motor cut out


this is a problem with ignition system , reset the manufacturer specification and test with scanner/computer the system. see the diagram and fix it. However you must understant the electronic systme is very complicated. The PCM or BCM can faulty.
Do not waste your time and money.
God bless you98c4ae0b-2739-4539-a841-137f8da6d944.jpg

Jul 08, 2013 | Cars & Trucks

1 Answer

I have a 2001 Navigator, the A /C blower works some times, and other times I get nothing. Now that the weather is changing, I need the blower to defrost my window I get nothing. Need help, thanks.


Sounds like a loose wire somewhere... quite possibly condensed water has dripped onto a connector or the temperature sensor ( a diode) on the blower housing on Bosch/Valeo models, et al. The sensors can be replaced easy enough, if you see yours is rusty or burnt. Check also, if any accessories have been installed on the same circuit. If so, you will need to move them elsewhere. Typical A/C w/ heater units have a 40 amp fuse. Don't tie any other after market accessories into that circuit. Also check any RELAY that is connected to that circuit. They are not cheap, but much easier to just plug a new one in than tearing into everything to find a problem that you'll never find if it's bad relay. Also check all your GROUNDS and make sure they are clean (rust free). You have probably been told this, intermittent problems are the hardest to diagnose. Good Luck

Sep 25, 2012 | 2000 Lincoln Navigator

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Nissan Altama Starter Relay electrical problems or a fuse?


Double check the battery positive connection wiring carefully as it commonly has connection problems when the battery is changed.

Apr 08, 2017 | 2004 Nissan Altima

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2001 T&C LXi - front blower fan is working intermittently


Hello! to answer your question; No...The intermittent operation is more than likely being caused by loose or oxidized contacts in the motor connector plug...Blower motor switch connector or the blower motor resistor plug...go to Radio Shack and purchase a product called DeOxit...cost $15...It's a two spray can package...A cleaner and contact protector spray...Cans are small you do not need much...Spray all three plugs; both male and female pins...You will notice a bubbling action...No wiping off...This is a no touch spray...This should clear up the problem...On the blower switch plug is a Black/Orange wire which goes to ground...Using an ohmmeter check this wire for zero ohms to ground...On the X10 scale...If you do not read zero ohms...The connection of this wire needs to go to bare metal chassis ground...

Guru...saailer

Feb 07, 2012 | Chrysler Town & Country Cars & Trucks

2 Answers

Where is the relay located for the code P1491? On a 2000 jeep grand Cherokee?


Hi there:
DTC P1491 - RAD FAN CONTROL RELAY CIRCUIT

DTC P1491 is for the cooling fan relay control circuit as you've found already. Start by checking the fuse for the fan relay. Its in the box under the hood, a 40 amp fuse.

If you've got a couple jumper wires, you can unplug the fan connector and carefully jump the fan to see if it works. The fan connector is on the right side of the back of the fan shroud. Unplug it and jump the black wire to ground and the green to positive. You've got to be very careful doing this though-you are in very tight quarters, its not hard for your jumper wires to touch each other in the connector and short together, and if you use small diameter jumper wires they will get hot quickly when the fan comes on.

If the fan doesn't come on when you jump it, or if it runs slow or sounds bad, you've got a bad motor and will need to replace the fan assembly. One thing that does happen somewhat often, is a bad fan motor will burn up the relay. If the fan motor is drawing too much current it will overload the relay and burn it up. This is why its so important that if the fan motor runs slow or makes noise that you replace it, or you may end up burning up relays frequently.

If the fan runs and the fuse is good, its very likely you just need a fan relay. This is a pulse width modulated relay, not the on/off clicker type you'd find in the fuse box. This unit is capable of infinite speed control. It gets very hot in operation, so its mounted to the body sheet metal to allow heat to dissipate through the sheet metal. The relay is mounted under the right headlamp held down with two 8mm screws. To get to it you have to remove the front bumper cover and headlamp bracketry to access the relay. These relays are pretty common.

Check and test this possible causes:
radiator fan ctrl rly circuit wire harn intermittent defect
radiator fan ctrl rly circuit wire harn observable defect
radiator fan relay ground circuit open
rad fan relay control circuit open
radiator fan relay control circuit short to ground
rad fan control relay defective
PCM defective

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Dec 19, 2011 | 2000 Jeep Grand Cherokee

3 Answers

Hey I went to start my 97 toyota avalon today and it wouldn't even turn over none of the lights would come on or anything..... What's wrong with my car lol


First try jumping the vehicle. If it won't jump you you need to check the main buss fuse in the power distribution box (Should be a 40 amp). If that is good check for a grounded positive going to the starter where metal contact with the wire may have worn a hole in the insulation. If both are good and the inline fuse from the positive is not blown pull the alternator and have it and the Voltage regulator checked at Auto Zone, Advance auto or Pep Boys. One if these is going to be the problem.

Aug 30, 2011 | 1997 Toyota Avalon

2 Answers

My right rear turnsignal has stopped working...the front still works, but flashes faster than normal, indicating a bad bulb...I've replaced both right side rear bulbs with no change...I've checked...


It's almost certainly a wiring issue. Very likely, the ground (-) connection for the tail light has severed or is not making good contact with the chassis. Look for a black wire running from the tail light housing to a screw or bolt on the chassis. You will find that the wire has either become severed, is loose, or is simply not making a good connection. A little WD-40 (penetrating oil) on the screw or bolt where the wire connects will assure that corrosion isn't the issue.

Hope that's helpful!!

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1 Answer

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there are 4 steps to check and you've mentioned all but one the relay which cuts the fan on'off. At an elec shop you check in this order power to fuse block, fuse & output side, temp sensor, relay, and fan motors. Get a new relay

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