2006 LAND ROVER FRELANDER 2 Repair Manual

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Page 1281 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Solenoids
ItemPart NumberDescription
1-3-W ay s olenoi d - S1
2-3-W ay s olenoi d - S23-Line press ure cont rol s ol enoi d - SLT
4-Shift cont rol s ol enoi d - SLC2
5-Shift cont rol s ol enoi d - SLC

Solenoids
ItemPart NumberDescription
1-3-W ay s olenoi d - S1
2-3-W ay s olenoi d - S23-Line press ure cont rol s ol enoi d - SLT
4-Shift cont rol s ol enoi d - SLC2
5-Shift cont rol s ol enoi d - SLC16-Lock-up cont rol s olenoi d - SLU
7-Shift cont rol s ol enoi d - SLC3
8-Shift cont rol s ol enoi d - SLB19-Valve bl ock
Shift Cont rol Solenoids - SLC1, SLC2, SLC3, SLB1
The s hift control sol enoi ds (SLC1, SLC2, SLC3 and SLB1) are ins tal led on t he front valve body. The s olenoids respond t oinputs from t he TCM and control the hydrauli c pres s ure appli ed to the clut ches (C1, C2 and C3) and to the brake B1 t oprovide s moot h s hifti ng. The TCM us es a si ngl e or a combinat ion of t hes e s olenoids to provi de shi ft s from 1s t t o 6t h gear.
If a s ol enoi d fai ls , t he TCM wi ll remove t he current t o t he s hift cont rol s ol enoi ds and the trans mi s si on wil l use limp homemode, to prevent damage t o t he transmis s ion.
Line Pres s ure Cont rol Solenoid - SLT
The li ne pres s ure control s olenoid (SLT) is i nst all ed on t he front val ve body. The sol enoi d i s cont roll ed in a l inear mannerby t he TCM which us es t hrott le openi ng degree s ignals and engine t orque i nformat ion from t he Engi ne Control Module(ECM) t o det ermi ne the sol enoid operati on. The s olenoid controls t he l ine pres s ure appli ed t o t he cl utches and brakes toprovide s moot h s hifti ng.
If the s olenoid fail s, t he TCM will remove the current s uppl ied t o t he s ol enoi d. Maxi mum l ine press ure wil l be appl ied t ot he cl utches and brakes unl ess the fail ure i s due t o the sol enoi d val ve s ti cki ng, whi ch may res ult i n low li ne pres s ure.
Lock-Up Cont rol Solenoid - SLU
The lock-up control sol enoid is i nst all ed on t he front val ve body. The s ol enoi d i s cont roll ed in a l inear manner by t he TCMwhich us es engi ne s peed, t hrott le openi ng degree s ignals and t rans mis s ion s peed s ensor s ignals t o det ermi ne thes olenoi d operat ion. The sol enoi d cont rol s the amount of l ock-up or s l ip requi red for the t orque converter l ock-up cl utch.
If the s olenoid fail s, t he TCM removes the current s uppli ed t o t he sol enoi d which resul ts i n no t orque converter l ock-upbeing appli ed.
3-W ay Solenoi d - S1, S2
The 3-way sol enoid (S1) i s located on t he center valve body and s ol enoi d (S2) i s located on the front valve body. Thes olenoi ds are on/off s olenoids control led by the TCM. A combi nat ion of t he 2 s olenoids i s us ed to operat e ei ther the 1s tgear engine braki ng or enabl e gear s hift s.
If a s ol enoi d fai ls , t he TCM wi ll remove t he current s uppli ed to bot h s olenoids .
Speed Sensors

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LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Speed Sens or (SP) - Output s haft s peed2-Count er drive gear
3-C2 clutch drum
4-Speed s ensor (NIN)Two s peed s ens ors (NIN and SP) are us ed i n t he transmis s ion

Page 1283 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Input s haft
2-Main press ure supply port3-Pis ton
4-Cyl inder – External plat e carrier
5-Clutch pl ate as s embly6-Baffl e plat e
7-Diaphragm spring
8-Output s haft9-

ItemPart NumberDescription
1-Input s haft
2-Main press ure supply port3-Pis ton
4-Cyl inder – External plat e carrier
5-Clutch pl ate as s embly6-Baffl e plat e
7-Diaphragm spring
8-Output s haft9-Bearing
10-Dynami c pres s ure equalis at ion chamber
11-Pis ton chamber12-Lubricati on channel
There are t hree dri ve clutches and t wo brake clut ches (B2 i s a mul ti pl ate brake clutch & B1 i s a doubl e wrap brake band)us ed in t he AW F21 t ransmis s ion. Each clut ch compris es one or more frict ion plat es dependent on the out put cont roll ed. At ypi cal clutch cons is ts of a number of s teel outer plat es and inner plates wit h frict ion mat eri al bonded to each face.
Clutch / BrakeOperation
C1 Cl utchConnect s t he front pl anet ary carrier t o t he rear planetary rear s un gearC2 Cl utchConnect s t he int ermediat e s haft t o t he rear planetary carri er
C3 Cl utchConnect s t he front pl anet ary carrier t o t he rear planetary mi ddl e s un gear
B1 BrakeLocks the rear pl anet ary middle s un gearB2 BrakeLocks the rear pl anet ary carrier
The clutch pl ates are held apart mechanically by a diaphragm spring and hydrauli cal ly by dynamic press ure. The press ure isderi ved from a l ubricati on channel which s uppl ies fluid to the beari ngs etc. The fl uid i s pass ed vi a a drill ing i n t he outputs haft int o t he chamber between t he baffle pl ate and the pi st on. To prevent i nadvert ent cl utch appli cat ion due t o pres s urebuild up produced by cent ri fugal force, the flui d in the dynamic pres sure equal ization chamber overcomes any pres sure i nt he pis ton chamber and hol ds the pi s ton off the cl ut ch plat e as sembl y.
W hen clut ch appl icati on is required, mai n pres s ure from the fl ui d pump i s applied to t he pis t on chamber from the supplyport . Thi s mai n pres s ure overcomes t he low press ure fl uid present in the dynamic pres sure equal izati on chamber. Thepis t on moves , agains t the press ure appl ied by t he diaphragm s pring, and compres ses the clut ch plate ass embly. W hen themain pres sure fal ls , t he diaphragm s pring pus hes t he pis t on away from the clut ch plate ass embly, dis engagi ng t he cl utch.
One-Way Clutch
One-W ay cl utch - Typical
ItemPart NumberDescription
1-Roller2-Cage
3-Spring
4-Inner raceThe rol ler clutch us ed on t he one-way clut ch uses parallel rol lers, l ocat ed between t he s mooth, cyl indri cal i nner race andt he inclined cam faces of the clut ch body. Spri ngs are us ed t o hold t he rol lers in pos it ion bet ween t he two cont act faces .
W hen t he clut ch is rotat ed in a clockwi se direct ion, the roll ers become t rapped bet ween t he inner race and t he incli nedcam faces of t he clutch body, providing pos it ive (locked) rotat ion of t he inner race, locki ng the counter-clockwis e rot ati onof the rear planet ary carri er. W hen t he clut ch is rotat ed in a cl ockwi se direct ion, the roll ers are moved away from t heincli ned cam faces and can rot ate freel y (unl ocked) wit h t he cl utch body, provi ding no drive from the cl ut ch t o t he rearplanetary carri er. In t hi s condi ti on the cl utch can rot ate freel y on t he inner race.
PLANETARY GEAR TRAIN

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LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
A-Doubl e web pl anet ary gear train - RearB-Single web planetary gear t rai n - Front
1-Clut ch C2
2-Brake B23-Free wheel cl utch F2
4-Count er drive gear
5-Brake B16-Clut

Page 1285 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual rat ios are as fol lows :
Gear1st2nd3rd4th5th6thReverse
Ratio4.1482.3701.5561.1550.8590.6863.394
POWER FLOWS
Operat ion of t he transmis si on is cont roll ed by t he TCM which el ect ri cal ly act

Page 1286 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D1s t GearX----X
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions

C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D1s t GearX----X
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Rear s un gear- Locked: Carrier- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear.
Rear Pl anet ary Gear Trai n
The planetary s un gear rotat es in a cl ockwi se direct ion. The pl anet ary short pi nion gear rot at es i n a count er-clockwi sedirect ion. The planetary carri er at t empt s t o rotat e in the s ame di recti on but is rest rai ned by the one-way clutch (F1).
The long pi ni on gear rotat es clockwi s e on it s axis and the middle s un gear rot ates count er-clockwi se whil e idl ing. The ri nggear i s rot ated by the l ong pinion gear and dri ves the counter dri ve gear i n a clockwis e di recti on.
The count er driven gear is driven in a count er-cl ockwi se direct ion which i n t urn drives t he different ial ri ng gear i n aclockwi s e direct ion.
Power Flow - 2nd G ear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
D2nd Gear-XX---X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D2nd GearX--X--
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Rear s un gear- Locked: Middle sun gear- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear.
Rear Pl anet ary Gear Trai n
The planetary s un gear and t he carrier rot ate i n a cl ockwis e di recti on. The middle sun gear is locked by t he brake (B1). Thes hort pinion gears rot ate counter-clockwis e on i ts axi s and orbit s i n a clockwis e direct ion. The l ong pi nion gears rotat esclockwi s e on it s axis and it s orbit .
The ri ng gear is rotat ed in a cl ockwi se direct ion by t he long pi ni on gear. The ring gear and the counter dri ve gear bot hrot ate in a cl ockwi se di recti on.
The count er driven gear is driven in a count er-cl ockwi se direct ion which i n t urn drives t he different ial ri ng gear i n aclockwi s e direct ion.

Page 1287 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual • NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 3rd Gear
Solenoid Operation
T ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2D3rd Gear-X-X--

• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 3rd Gear
Solenoid Operation
T ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2D3rd Gear-X-X--
X = Operat ing
C lutch and Brake OperationT ransmission Selector Lever PositionClutchBrakeO ne-Way clutch
C1C2C3B1B2F1
D3rd GearX--X--X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Middle sun gear- Locked: -- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear. Clut ch (C3) i s als o acti vat ed and locks the carri er t o t hemi ddl e s un gear.
Rear Pl anet ary Gear Trai n
The planetary s hort pinion gear and t he long pini on gear are engaged whi ch caus es both pi nion gears t o l ock due t o t hedifferent rotat ional di recti ons . Torque from the sun gear and mi ddl e s un gear is t rans mit t ed to the pl anet ary ring gearwhich rotat es cl ockwi se in t he s ame di recti on as the pl anet ary carrier.
The count er drive gear rot ates i n a clockwis e di recti on wit h t he ri ng gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 4th Gear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
D4t h Gear--XX--X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D4t h GearXX----
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Rear s un gear, Carrier- Locked: -- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .

Page 1288 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s

The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear. The int ermediat e s haft rotat es in t he s ame di recti on as theinput s haft. Cl utch (C2) is al so act ivated rotat es in the s ame di recti on as t he int ermediat e s haft .
Rear Pl anet ary Gear Trai n
The planetary carri er rot at es in a clockwis e direct ion wit h the intermediat e s haft. The s hort pi ni on gear rotat es clockwi s eon i ts axis and orbit s at a fast er s peed t han t he sun gear. The long pini on gear rotat es counter-clockwis e on i ts axi s andorbi t. The rot ati on of the ri ng gear i s in a clockwi s e direct ion and i s s lower than t he rotat ion of t he carri er due t o t he l ongpinion gear's rotat ion i s count eract ed by t he planetary carri er.
The count er drive gear rot ates i n a clockwis e di recti on wit h t he ri ng gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 5th Gear
Solenoid Operation
T ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2D5t h GearX--X--
X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D5t h Gear-XX---
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Middle sun gear- Locked: -- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C3) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary mi ddl e s un gear. The int ermediat e s haft rotat es in t he s ame di recti onas t he input s haft. Cl ut ch (C2) i s als o act ivated and rotat es in t he s ame di recti on as the intermediat e s haft.
Rear Pl anet ary Gear Trai n
The mi ddl e s un gear rotat es clockwi se in the s ame di recti on as clutch (C3). The decelerat ion of t he front pl anet ary gears lows t he s peed of t he i nput s haft . The int ermediat e s haft rot ates clockwis e i n t he s ame direct ion as t he i nput s haft . Theplanetary carri er al s o rot ates clockwis e i n t he s ame direct ion as t he i nt ermedi ate shaft .
The long pi ni on gear rotat es clockwi s e on it s axis and orbit . The carri er rotat es fas t er t han t he middle s un gear whi chcaus es t he mi ddl e pinion gear t o be cancell ed out by the speed difference. The mi ddle pini on gear orbi ts and rot at es on i tsaxis i n a clockwis e direct ion.
The planetary ri ng gear rotat es in a clockwi s e direct ion. The s peed of t he ri ng gear is fast er than t he planetary carri erbecaus e t he long pini on gear's rotat ion i s combined wi th t he planet ary carrier's s peed. The count er drive gear rot ates i n aclockwi s e direct ion wi th the ring gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 6th Gear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
D6t h GearX-X---X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1

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