front_seat_heating_elements_inoperative

TECHNICAL INFORMATIONLAND-ROVERNo:76/07/04NASFront Seat Heating ElementsRef:Issue:1InoperativeDate:04 June 2004AFFECTED VEHICLE RANGE:Discovery Series ll(LT)XA900000toXA907212XA200616to1A2999991A700000to3A7999993A800000to3A824321SITUATION:SEAT HEATER PAD DAMAGECompression of the seat cushion during entry and exit from the vehicle causes the seat heat pad onthe cushion to 'flex.'Damage to the element wire strands can result.The current through the elementremains constant which can cause localized hot spots within the element where the wire is damaged.RESOLUTION:REPLACE FAULTY HEATER ELEMENTS WITH NEW PAIRShould a customer complain about localized hotspots on a seat,the seat cushion element must bereplaced.Due to the changes introduced to the latest seat cushion element replacement componentsthe seat squab(backrest)element must also be replaced at the same time as the seat cushionelement to ensure that the resistance between both elements remains balanced.The dualreplacement conditions only applies on vehicles up to VIN 3A 824321.PARTS INFORMATION:CAUTION:New and old heating element parts must not be mixed on a seat assembly.Should old parts fail,part numbers with the'HGT'prefix should be installed.Refer to PartsBulletins PCC04-01 "Discovery Series ll-Seat Heater Pad Multiple Supersession"for details.HGT500020.............Seat cushion element-Electric seat Replaces AWR5156HGT500030 ............Seat squab element-Electric seatReplaces AWR5157HGT500040.........Seat cushion element-Manual seat Replaces AWR3418HGT500050 .............Seat squab element-Manual seatReplaces AWR3419DDW WARRANTY CLAIMS:DDW requires the use of causal part numbers.Labor only claims must show the causal part numberwith a quantity of zero.DescriptionSROTimeCondition(Hours)CodeCausal PartInstall front seat squab and78.90.372.4030AWR5156cushion heating elementsNormal warranty policy and procedures apply.Material allowance is included in labor operation.REPAIR PROCEDUREINSTALL REPLACEMENT SET OF HEATING ELEMENTS1.Refer to RAVE/GTR Workshop Manual section 78.30.24 and replace the front seat cushion heatingelement.2.Refer to RAVE/GTR Workshop Manual section 78.90.36 and replace the front seat squab heatingelement.TIBCIRCULATE:Service MgrWarrantyWorkshopBody ShopParts76/07/04/NASTOXXXXXLand Rover 2004Page 1