Question about Peugeot 308

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No blower on heater/cooler

1st the horn, then rear screen heater now heater blower unoperatable

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If you know how to use a digital voltmeter than these instructions will be of help. If you don't know then take the vehicle to a repair shop.

Assuming that you know how to use a meter, Lets start with the horn. Check fuse, if a ok then remove horn from circuit and give it B+ and ground independently if it sounds Horn a ok, problem in clock spring ,or horn contacts are corroded. At this point if car has air bags bring it to a reputable shop. Cause if your not careful doing the electrical testing you can set off air bags and that will be a $1200 dollar mistake.
The rear heater is simple. Make sure the contacts are intact and clean on the glass. If they are then remove the switch bypass it and see if the rear screen heater turns on.(hook up meter to screen grid to check for B+) If it does the culprit was the switch.
Heater blower same principal. Circuit consist of blower, relay ,switch and resistor. First test blower remove contacts from blower and fabricate a B+ line and ground if the blower works then its a -ok.
If it doesn't replace blower. Again to test switch remove it and bypass it. Resistor Ohm out with a volt meter to see if resistance is higher than it should be. Remember at high speed you should have straight battery power going to that blower. If the fan doesn't go on high speed chances are its the switch cause RESISTOR is bypassed at this speed. YOU MAY NOT HAVE TO OHM OUT RESISTOR. GOOD LUCK FILL ME IN ON WHAT HAPPEN.

Posted on Mar 06, 2014

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04 vitara hazard lights,horn,rear wiper and head lights wont turn off


I really hope you fixed this by now! It is very frustrating! Here is what I found after running into a headlight and heater blower motor failure on my 2000 Tracker this past Tuesday! http://www.fixya.com/cars/t14561370-2001_chevy_tracker_headlights_won_39_t

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2002 envoy abs light on and no blower for heater


The ABS light could be many things. I would bring it into a place that has a Tech II scanner that can talk to the ABS module and it will pinpoint where the problem lies. My problem was the contacts under the horn, so I honked the horn 3 times and the light went off. As far as the blower, if you don't have automatic climate control, it may be your blower resistor module on the blower itself, which is a common problem with these.

Jan 12, 2011 | 2002 GMC Envoy

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After replacing timing chain in 89 toyota 22-re my heater hasn't blown very hot air. I've changed thermostat and flushed coolant lines. I used to have an awesome heater but now when I turn blower full...


yes a bad water pump will cause it not to circulate the coolant through the heater core,find your coolant leak 1st is it leaking into the cab on the passenger side of your truck? thats another sign of a bad heater core also.make sure that you don't have an air pocket in your cooling system.it has to be full for the heat to work properly.thank you for choosing fixya.com

Jan 10, 2011 | 1988 Toyota Pickup

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How to replace a heater core


Heater Core Removal & Installation Front To Remove:
  1. Make sure you have the anti-theft codes for the audio and the navigation system, and then write down the audio presets.
  2. Disconnect the negative cable from the battery.
  3. From under the hood, disconnect the heater valve cable from the heater valve. Turn the heater valve arm to the fully opened position.
  4. When the engine is cool, drain the engine coolant from the radiator.
  5. Disconnect the inlet heater hose and the outlet heater hose from the heater core.
  6. Remove the mounting nut from the heater unit. Take care not to damage or bend the fuel lines, the brake lines, and related parts.
  7. Remove the dashboard.
  8. Remove the evaporator.
  9. Remove the mounting bolts and remove the heater unit. Front heater unit honda-10-00-4128.gif

  10. Remove the self-tapping screws and the clamp.
  11. Carefully pull out the heater core so you don't bend the inlet and outlet pipes.
Front heater core honda-10-00-4129.gif

To Install:
  1. Using care, install the heater core to the heater unit and secure.
  2. Using care, install the heater unit and tighten mounting nuts and bolts to 7 ft-lb (10 Nm).
  3. Install the evaporator.
  4. Install the dashboard.
  5. Connect the inlet heater hose and the outlet heater hose to the heater core.
  6. Connect the heater valve cable to the heater valve.
  7. Refill the cooling system with engine coolant.
  8. Adjust the heater valve cable.
  9. Make sure that there is no coolant leakage.
  10. Make sure that there is no air leakage.
  11. Connect the negative battery cable.
  12. Perform the power window control unit resetting procedure.
  13. Enter the anti-theft codes for the audio and the navigation system, and then enter the audio presets.
Rear To Remove:
NOTE: The rear blower motor, the rear heater core, the blower screen, the rear blower resistor (heating/air conditioning system) and the rear power transistor (climate control system), the rear air mix control motor (climate control system) , the rear mode control motor and the rear expansion valve can be replaced without removing the rear heater-A/C unit.
  1. Remove the self-tapping screws and the clamp, and then remove the bolts and the rear evaporator lines with the rear expansion valve. If necessary, remove the rear expansion valve. Use a second wrench to hold the other fitting on the valve so the rear evaporator lines won't twist. Leave the first fitting loosely connected so you can use it to hold the valve while you loosen the second fitting.
  2. Remove the rear heater hoses.
  3. If necessary, remove the rear blower motor, the rear heater core, the blower screen, the rear blower resistor (heating/air conditioning system), the rear power transistor (climate control system), the rear air mix control motor and the rear mode control motor.
  4. Remove the self-tapping screws and the lower housing.
  5. Remove the self-tapping screws, and carefully separate the left upper housing from the right upper housing. Remove the rear heater core.
Rear evaporator assembly honda-10-00-4116.gif

To Install:
  1. Replace the rear heater core.
  2. Attach the heater hoses.
  3. Make sure no air is leaking from the left upper housing and the right upper housing fitting and from the upper housings and the lower housing fitting.
  4. Before reassembly, make sure that the rear air mix control linkage and door move smoothly without binding.
  5. Before reassembly, make sure that the rear mode control linkage and door move smoothly without binding.
  6. Reassemble the housing.
  7. After reassembly, make sure the rear air mix control motor runs smoothly.
  8. After reassembly, make sure the rear mode control motor runs smoothly.
  9. Refill the cooling system and make sure that there is no coolant leakage.
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Oct 16, 2010 | 2005 Honda Pilot

1 Answer

Mercedes e220, horn, heater fan and electric


Horn and heater may be fuse related. The headrests have nothing to do with fuses. The switch is bad or going that way for the seat or the motors for the headrests are out.

The horn fuse spin it, or replace as corrosion from aluminum fuses cause problems. I suggest replacing them all with new copper barrel fuses. The blower motor fan is a strip fuse on the driver side strut mount in a tootsie roll sized case.

Mar 11, 2010 | 1995 Mercedes-Benz E-Class

1 Answer

I have Jaguar XJR 2001. How do I replace Blower Motors Left and Right side? ( Noise bearing )


Driver side :
1- Remove upper steering column 2- Remove driver stowage compartment 3- Remove driver's footwell duct 4- Remove cable tie 5- Remove duct connecting blower assemble to heater/cooler unit 6- Disconnect harness connector from blower assembly 7- Remove blower assembly.
Install in reverse order. Tighten nuts to 5-7 Nm
Passenger side :
1- Remove Instrument panel 2- Remove passenger footwell duct 3- Disconnect harness connector from blower assembly 4- Remove festeners securing duct to heater/cooler unit 5- Remove duct connecting connecting blower to heater/cooler unit 6- Remove blower assembly
Install in reverse order. Tighten nuts to 5-7 Nm

Sep 11, 2009 | 2007 Jaguar XJR Sedan

1 Answer

I need to install an evaporator core in 1997 xj6. Any tips or suggestions?


Ok , I will try to guide you as simple as I can :
1- Remove the Heater / Cooler unit this is how : * Disconnect Battery ground cable
* Recover AC gas or empty it in open space
* Drain radiator coolant only
* Remove instrument panel for access
* From under the hood disconnect AC pipes at the evaporator , by removing bolts , discarding O-Rings and make sure to install blanking plugs so that no dirt goes in.
* Disconnect heater hoses from heater matrix pipes , by releasing the spring band clips and make sure to blank the pipes
* From inside the car , remove driver footwell duct , by removing the screw and then removing the duct
* Remove upper steering column lower fixing , nuts and bolts
* Remove upper steering column upper fixings (Bolts) , and allow column to rest down o the floor
* Cut cable tie which secures console harness to LH blower duct
* Remove LH fan motor duct (screws)
* Remove passenger side footwell vent (nut)
* Cut cable tie securing console harness to RH blower duct.
* Remove RH fan motor duct (screws)
* Disconnect Heater/Cooler Connector
* Disconnect drain tubes from Heater/cooler assembly
* Disconnect A/CCM connectors
* Remove evaporator pipe support bracket fixing.
* Remove Heater/Cooler assembly fixing , by removing lower nut and upper nut
* Remove tape securing RH rear footwell intermediate duct joint. Remove duct to clear access
* Remove tape securing LH rear footwell duct
* Remove Heater/Cooler assembly from car.

2- Remove AC control module 3- Remove evaporator pipe seal plate 4- Disconnect heater tempreture sensor 5- Remove footwell servo motor from heater/cooler unit * Disconnect connector
* Remove screws
* Remove motor complete with bracket
6- Disconnect evaporator sensor connector * Detach heater/cooler connector
* Detach evaporator sensor connector
* disconnect connector
7- By now you can see one upper and one lower case * Remove heater/coolent unit upper case from lower case
* Remove screw
* Remove 15 clips
* Remove upper case from lower
8- Remove evaporator from case * Remove sensor and clip

You are done , make sure to replace all seals that you see to make sure that every thing is ok and you do not have any leaks after installation.
Installation : Reverse order and after installing make sure to do a pressure test to make sure that there are no leaks

Jul 12, 2009 | 1997 Jaguar XJ6

1 Answer

96 Dodge dakota V6 Poor heat


Heater core could be blocked,

Jan 17, 2009 | 1996 Dodge Dakota

1 Answer

Horn and heater fan inop


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Aug 27, 2008 | 1994 Suzuki Samurai

1 Answer

1989 Mercury Tracer Sta. Wgn.


your owner manaul has it. your fuse cover should have chart too.

here is 96 tracer. You also have main fuses under hood.

INTERIOR FUSE JUNCTION PANEL REFERENCE CHART Fuse Fuse Rating Color Protected Components (REAR WIPER) 10A Red Rear wiper and washer motors, heater and A/C relays, daytime running lamps control (Canada), climate control assembly panel illumination HAZARD 15A Blue Front and rear turn signal lamps, turn signal indicator lamp, indicator flasher ROOM 10A (1.9L)
15A (1.8L) Red
Blue Dome and map lamps, safety belt warning chime, ignition key illumination, luggage compartment lamp, vanity mirror lamp, radio chassis (memory), power door lock relay, shift interlock system, powertrain control module (PCM), radio amplifier (memory) ENGINE 15A Blue Fan control (FC) relays, PCM relay RADIO 15A Blue Radio chassis, radio amplifier, remote control mirror, instrument panel illumination (DOOR LOCK) 30A Light Green Power door lock actuators BELT 30A Light Green Passive restraint control module, passive restraint motors (POWER WINDOW) 30A Light Green Window regulator electric drives METER 15A Blue Instrument cluster, backup lamps, rear lamps, speed control system, shift interlock system, safety belt warning chime, passive restraint control module, hazard flasher, PCM (1.8L Canada) WIPER 20A Yellow Windshield wiper motor and windshield washer pump STOP 20A Yellow Stoplamp, horn (1.9L only), rear hi-mount lamp TAIL 15A Blue Parking lamps, cornering lamps, rear lamps, license lamps, compartment lamp, instrument panel illumination (SUN ROOF) 15A Blue Sliding roof panel motor ABS 10A Red Anti-lock brake system (ABS) (1.8L only) (DEFOG) 20A Yellow Rear window defroster HEATER 30A
circuit breaker — A/C blower motor HO2S
(ON INTERIOR FUSE JUNCTION PANEL SIDE) 10A (1.9L)
20A (1.8L) Red
Yellow Heated oxygen sensor (HO2S) CIGAR
(ON INTERIOR FUSE JUNCTION PANEL SIDE) 20A Yellow Cigar lighter knob and element CIGAR 20A Yellow Cigar lighter OBD II 10A Red Data link connector #2 BLOWER 30A Light Green Blower motor relay HORN 20A Yellow Horn (1.8L only)

Aug 10, 2008 | 1989 Mercury Tracer

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