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73 viewsDeep Ruts
303-03A_Transmission_Cooling_System_Description_and_Operation.pdf
ZF 6HP26 Transmission Cooling System Description and Operation2922 viewsThe five page pdf details the operation of the cooling system as related to cooling engine oil, transmission oil and providing hot water to the cabin heating system.
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ZF Stator30 views
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Condensatore (capacitor) 154 viewsZF catalog number 27.730 - LR number NNW502820
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D3-4 cambio ZF 6HP26-28_Catalog.pdf
D3-4 cambio ZF 6HP26-28_Catalog.pdf79 viewsD3-4 cambio ZF 6HP26-28_Catalog.pdf
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Disco_3_ZF_Gearbox_Fault_Finding_Manual.pdf
Disco_3_ZF_Gearbox_Fault_Finding_Manual.pdf99 views
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en_GB.pdf
ZF Trouble Shooting Guide166 views
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Fluid_Pan,_Gasket_and_Filter_removal_and_install.pdf
Fluid, Filter/Pan Combo removal and install5957 viewsThese are the LR instructions re removal and install of the plastic pan/filter combo for the ZF 6HP26X transmission on the 4.4L petrol V8 LR3.

The instructions tend to ignore the reason you have to lift the right hand side of the engine about 40 mm. This is because of a frame cross member that interferes with dropping down of the plastic pan. The real problem is a vertical "oil filter spout" that rises out of the filter/pan combo up into the transmission. The spout is the suction pipe for filtered transmission oil back up into the tranny.

On the metal pan versions, the filter is separate from the pan, hence the filter remains with the tranny when the metal pan is dropped. The filter is then removed or installed independent of the metal pan, hence with the metal pan, there is no need to lift the engine.

If one is removing the plastic pan so as to install the metal pan, then some do not lift the engine but just drop the plastic pan enough to gain access to saw off the vertical plastic spout - it is a one time procedure.

Be aware however that the metal pan uses a flat gasket and the plastic pan uses a O ring like perimeter gasket that sits in a half round groove in the tranny casing. Also the metal pan uses 21 shorter torx M6x22.5 metric cap screws for the perimeter bolts. The plastic pan uses longer M6x28.5 torx metric cap screws.
Ford_6R60_or_ZF6HP26_exploded_parts_single_page.pdf
Exploded Parts view calling up 6R60/80 and 6HP26/28 variations3100 viewsThis single page jpg exploded parts view indicates some commonality between the Ford and ZF versions of the early and later six speed units. Technically this sheet is for the RWD units as there are variations between plain RWD units, 4WD, and AWD. The transmission in the LR3 is called by ZF to be a 6HP26X and by LR in some publications, the 6HP26
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Ford 6R60 six speed cutaway showing torque converter.2189 viewsThis is a cutaway of the Ford 6R60 six speed which is a Ford license built version similar to our ZF 6HP26 six speed speced on early 3's.

The newer 3's and 4's have the ZF 6HP28. The Ford version is called the 6R80 and variations of it are used on the Raptor. As such, the Raptor metal pan can be installed on the 3's tranny but the deeper Ford Raptor pan does not have a drain plug.
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ZF8-120 views
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ZF8-421 views
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ZF8 Adaptions First Drive After Reset16 views18 Mar 15
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ZF8 Adaptions Immediately After Reset 18 views18 Mar 15
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ZF8 Adaptions Before Reset19 views18 Mar 15
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ZF8 Test Drive Before Adaption Reset15 views
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ZF8 Post Adaptions Test Drive17 views
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ZF8 Adaption post reset 21 Mar 1518 views
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ZF8 adaptions pre-reset 21 Mar 1519 viewsThis was about 5 journeys since the first ever reset of adaptions.
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ZF6 vs ZF822 views
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ZF Lifeguard 8 Stock15 views
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ZF Lifeguard 815 views
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LR3_BMW_Ford_ZF_6HP26X-28X_Catalog_with_metal_pans_[1].pdf
ZF 6HP26X and 6HP28X transmission parts showing various pans2801 viewsThis 42 page pdf is probably the most informative of all the material in this album. It is called a spare parts catalog but is much more than that. The material is specifically for the X variety of ZF six speed transmissions that are in the Land Rover 4WD / AWD models as well as BMW and Ford AWD vehicles.
LR3_Transmission_Fluid_Drain_and_Refill.pdf
ZF 6HP26 transmission fluid drain and refill procedure4020 viewsThis is the Land Rover instruction pdf and I note they have it right - that is remove the filler plug first, then the drain plug. Also before you attempt that, not only do you need oil, but also new fill and drain plugs as the sealing washers are deemed single use only.
LR3_Transmission_Specifications.pdf
ZF 6HP26 Land Rover Transmission specs1669 viewsThis is just two sheets of paper with various numbers related to the 6HP26 such as oil capacity, gear ratios, and torque wrench settings for the fill and drain plugs.

You may note that LR calls this ZF transmission the 6HP26 whereas ZF calls out the LR3 transmission as the 6HP26X. Just what the differences are, I am not certain however the X refers to 4WD or AWD use as opposed to solely 2WD.

Zahnradfabrik is what ZF is short for and translated from German, roughly means Gear Factory.
LR_Part_Number_TYK500050__or_Shell_M-1375_4_ZF_6HP26_Transmission_Fluid.jpg
LR 6HP26 transmission oil part number TYK5000501413 viewsThis jpg shows the genuine Land Rover transmission oil, part number TYK500050, for the 6HP26X tranny. The Shell product number is M-1375.4 but you cannot buy the oil retail from Shell. The container size is one litre.
A routine oil change where the pan/filter combo is not changed takes about 3.5 to 4 litres of oil. When the tranny is brand new, a dry fill can take up to 9.5 litres of oil however around 7 litres is more common for when a new pan/filter combo is installed on an already in service transmission.
Oil_change_kit_for_automatic_transmissions_ZP_SI_Oelwechselkit_EN.pdf
ZF Oil_change_kit_for_automatic_transmissions29 views
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2005 LR3162 viewsSafari Snorkel, D44 Discrete winch, Warn XD9000, Traxide SC80, Yellow Top, Tactical Rover Sliders, GNV Rods, Engel, KN Filter, 99% Royal Purple, ZF Metal Transmission pan, Tint.
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SA-ZF-217-2-2013.pdf
ZF Gearbox Oil Change45 views
SA-ZF-217-2-2013~0.pdf
SA-ZF-217-2-201334 views
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ZF Lifeguard 814 views
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ZF approved Transmission Fluids.pdf
ZF approved Transmission Fluids73 viewsZF approved Transmission Fluids
ZF ATF.pdf
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ZF faults.pdf
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ZF6_Gearbox.pdf
ZF6 D3 Workshop52 views
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ZF8_Gearbox_Oil_Cooling26 views
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ZF8_Oil_Change_Specs37 views
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ZF8_Oil_Fill_Port_Tool29 views
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ZFOil.jpg
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ZF_-_TechServiceMan.pdf
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ZF_-_TechServiceMan2.pdf
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ZF_-_TechServiceMan2~0.pdf
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ZF_-_TechServiceMan~0.pdf
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ZF_6HP26X_LR_Description_and_Operation.pdf
ZF 6HP 26X Description and Operation1560 viewsThis is a Land Rover produced 47 page pdf describing the operation of the ZF 6HP26X six speed tranny that is in our 3's. There are colour cut thrus of the various tranny assemblies, both electrical and mechanical, along with an explanation of their intended operation.
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ZF_Automatic_Transmission_Spare_Parts_Catalog_6HP26-28_Catalog.pdf
ZF_Automatic_Transmission_Spare_Parts_Catalog_6HP26-28_Catalog22 views
ZF_Auto_Transmission_6HP26X-28X_Plastic_and_Metal_Pans.pdf
ZF 6HP26X-28X Plastic and Metal Pan part numbers and list574 viewsThis 3 page pdf lists the ZF part numbers for the factory metal and plastic pans. Note that the plastic pan is listed as the General pan, and the two metal pans as the BMW and Ford pans. The differences are subtle - drain related it appears.

Torx cap screw descriptions are provided as well as data on the differing gaskets and oil filters.
ZF_Gearbox_oil_sump_manufacturer_brochure.pdf
Manufacturers brochure re plastic pan1029 viewsI found this ad from a German manufacture called LANXESS Deutschland GmbH saying that they manufacture the plastic oil pan/filter combo for ZF that is used on the 6HP26 six speed transmission.
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ZF 6 speed section30 views
ZF_Gearbox_Servicing_Instructions.pdf
ZF Gearbox Servicing Instructions54 views
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ZF_Level_Check_Procedure.bmp
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ZF_LifeguardFluid6_transmission_oil_part_numbersTE-ML_11.pdf
ZF LifeguardFluid6 transmission oil.1389 viewsThis is an interesting pdf in that under the ZF 6HP26 six speed section, it provides the various automobile manufacturer part numbers for their version of the appropriate tranny oil, all of which seems to be the LifeguardFluid6 oil, ZF part number S671 090 255. Note the fine print and do not confuse it with the LifeguardFluid6 Plus oil for vehicles with the Torsen AWD setup such as the Audi Quattro, VW 4Motion vehicles and I think the BMW FF Range Rovers of an earlier time.

Also of interest at the bottom of the pdf is the recommendation for replacing the transmission oil "between 80,000 km and 120,000 km or 8 years, depending on the load." I also do not see any reference to "sealed for life" but almost as optimistic, "maintenance free" but with the proviso "intended for normal operating conditions". This would most typically be the Sandringham Castle Grounds in the UK rather than Cape York, QLD.
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ZF_S6-53_Gearbox_.pdf
ZF S6 - 53 Gearbox parts list.25 views
ZF_Transmissions_metal_pan_magnets.pdf
ZF 6HP26 Metal Pans, (top and bottom views), and separate Filter top and bottom views.1756 viewsThis single sheet pdf two views of the ZF metal pan for the 6HP26 transmission. The inside view shows the two magnets; the other is the bottom view. Also visible are the transmission bottom oil fill and oil drain holes that are sometimes utilized where access to the side fill is not possible. The ZF part number for the metal pan kit for our 6HP26X six speed is 1068_103_820_01 This includes the 21 shorter Torx screws, the metal pan gasket, and the separate oil filter as well as round filter seal. The ZF six speed LifeGuard6 transmission oil is extra.
ZF_Transmissions_with_Mechatronics.pdf
ZF 6 Speed Transmission36 views
ZF_Transmissions_with_Mechatronics_and_metal_pan_part_numbers.pdf
ZF 6HP26 and 6HP28 Comparison plus oil pan and filter replacement options953 viewsThis is a 66 page ZF produced pdf that provides comparisons between the various ZF transmissions; also instructions regarding maintenance of the Mechatronic unit, the round seal; the various metal and plastic pans available as well as tips regarding changing the oil.

This ZF pdf has a number of colour pictures and part numbers within as well.
ZF_Transmission_Electrical_Connector_ZF_6HP26_Sleeve_Replacement_3_page.pdf
Electrical Connector Sleeve Replacement ZF 6HP26960 viewsThis 3 page pdf with pictures shows how to replace the sleeve that holds the multipin electrical connector that passes thru the transmission body to the Mechatronic unit.

The install of the sleeve is more difficult than the removal in that one must not rotate the sleeve as damage to the internal pins can result. The pan must be first removed to both remove and install the sleeve.
ZF_Transmission_Electrical_Connector_ZF_6HP26_Sleeve_Replacement_by_wilson009.pdf
Mechatronic Sleeve Removal and Install Instructions1047 viewsThis 3 page pdf with pictures shows how to remove and install the Mechatronic sleeve that tends to leak tranny oil after about ten years. Even if not leaking, replacement when doing a pan/filter change at the ten year mark is suggested.

Note the 3mm or less requirement when sleeve installation is completed; also that rotation of the sleeve during the install procedure can do damage to some internal pins - hence do not rotate the sleeve when trying to insert it or in getting it to lock in place - not so easy it seems.
ZF_Transmission_Fluid_Change_Procedure.pdf
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ZF_Transmission_Fluid_Level_Checking_6HP26X_land_rover_fluid_level.pdf
ZF6HP26X fluid fill checking procedure2244 viewsThis are the single page ZF instructions for checking the fluid level in the 6HP26X six speed automatic that is in the LR3.

Included sketches show where the fill and drain plugs are located and that it requires a 8mm hex wrench for the filler plug and a 10mm for the drain for the plastic pan.
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ZF_6HP26_Plastic_Filter_Pan_ combo.png1096 viewsThis is the plastic oil pan on the bottom of our ZF 6HP26X transmissions. Note the two round magnets at the right end of the pan; the drain plug is between them. The filter is the grey part and the vertical oil suction pipe is to draw oil up to the transmission from the filter element. There are 21 Torx screws around the perimeter and the pan gasket is O ring like in design where a half round channel is moulded into the plastic of the pan. The metal pan uses a more conventional flat gasket and in both cases, the metal mating surface of the transmission case is a flat machined metal surface.
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ZF Plastic Pan / Filter part numbers845 viewsZF, not Land Rover, part numbers for the various types of plastic pan depending upon vehicle manufacturer. The BMW pan is apparently different from the Land Rover pan even though the transmissions are 6HP26 units. No wonder each manufacturer has his own oil - maybe it is different as well. What I find interesting is the mention of Ford Australia and Ford USA separately rather than just Ford.
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Gear Sump Sequence 92 views
ZF_Transmission_Repair_ZF_6HP26_Pulling_and_Troubleshooting_The_Mechatronics_Unit_E_shift_Unit_by_wilson009.pdf
Troubleshooting pdf re Mechatronic unit on 6HP26 ZF Automatic 2132 viewsThis 21 page pdf shows possible problems within the Mechatronic unit of the ZF 6HP26 six speed automatic. On page 19/21 is a drawing showing how all the various control circuits interface with the vehicle.
Of particular interest were comments with regards to fine metal contamination of various electrical contacts. This is probably why a mere oil change can improve the operation of the transmission - reduced conductivity of the oil.
ZF_Transmission_showing_metal_pan_6HP26-28_Catalog.pdf
ZF Transmission parts exploded views1283 viewsA 35 page pdf showing exploded views of the inside of the transmission along with oil fill procedures and part numbers. There is also the suggestion of a metal pan but no part number given and the appearance of a more usual type of oil pan gasket, flat rather than O ring.
ZF_Transmission_showing_plastic_6HP19___26_pans.pdf
Underside of ZF 6HP19 and 26 transmissions pans1418 viewsThis is a view of the underside of two different plastic transmission pans, one for the ZF 6HP19, and the other, the 6HP26.

The 24 Torx screw pan is for the 6HP19; the 21 Torx screw pan is for the 6HP26/28/32 transmissions. The screws are numbered in the order that they are to be tightened re the O ring seal. Our 3 has the 21 screw transmission, the ZF 6HP26X six speed.
ZF_Transmission_showing_steel_and_plastic_drains_mechatronic_replacement_hints.pdf
Mechatronic Replacement Hints plus drains for steel and plastic pans1103 viewsThis 22 page pdf shows colour views of the Mechatronic unit as well as good illustrations of the drain and fill ports in both the plastic, page 17, and steel pans, page 18.

Page 8 details the replacement of the sealing sleeve where the electric wire feed thru the case into the Mechatronic unit. The seal is normally replaced when a new pan is installed as the seal is a known leakage point.
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Torque Converter cut away ZF 6HP26X tranny1539 viewsThis is a cut away of the model year 2005 ZF 6HP26X six speed automatic transmission. This is about as good a section of a torque converter, (the shudder maker), that I have yet seen.
   
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