2006 LAND ROVER FRELANDER 2 Repair Manual

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Page 937 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Engine Cooling - TD4 2.2L Diesel -
Lubricants, Fluids, Sealers and AdhesivesItemSpecification
Anti -freezeTexaco Ext ended Li fe Coolant (XLC) or any glycol bas ed anti -free

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LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Engine Cooling - TD4 2.2L Diesel - Engine Cooling
Des cript ion and Operat ion
COMPONENT LOCATION
ItemPart NumberDescription1-Radiat or
2-Twi n electric fan cont rol module
3

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LAND ROVER FRELANDER 2 2006 Repair Manual 5-Engine coolant pump
6-Exhaus t Gas Recircul at ion (EGR) valve cool er
7-Heat er connect ion hos es8-Cl imat e cont rol s yst em heat er matrix
9-Thermal control modul e
10-Auxil iary coolant p

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LAND ROVER FRELANDER 2 2006 Repair Manual 2-Gas ket
3-Coolant pump
The cent ri fugal type coolant pump is mount ed at t he front of t he engine and s ecured wit h 7 bol ts . The pump i s direct lydri ven by the t oothed cams haft belt

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LAND ROVER FRELANDER 2 2006 Repair Manual The wax-t ype thermost at locates i n t he top hos e connecti on t o t he radiat or. A l arge di ameter connecti on at the RH lowers ide connect s the modul e t o t he coolant rail. Two smal l diame

The wax-t ype thermost at locates i n t he top hos e connecti on t o t he radiat or. A l arge di ameter connecti on at the RH lowers ide connect s the modul e t o t he coolant rail. Two smal l diamet er out lets on the front of t he module provi de t he connect ionfor a supply hos e t o t he heat er mat rix, and a degas l ine t o t he cool ant reservoi r.
The t hermal cont rol module promotes rapi d warming of t he engine t o normal operat ing t emperature by clos ing t he returncool ant connect ion from the engi ne to the radiator. During the engine warmi ng period, t he thermost at is cl os ed and t heby-pas s val ve is open. The by-pass port all ows cool ant t o circul ate t hrough t he closed engi ne circuit vi a t he coolant pump,climate control heat er ci rcuit and EGR cooler.
As t he cool ant t emperat ure i ncreas es , the t hermos t at is opened and the by-pas s valve i s clos ed. The hot cool ant ret urningfrom the engine i s all owed to fl ow from the t hermal cont rol module to the radiator, through the open t hermos tat and t ophose connect ion. Return cool ant from t he radiat or fl ows through the bot tom hos e connect ion t o t he cool ant pump, via thecool ant rail .
The t hermos tat commences opening at 83°C (181°F), and i s ful ly open at 91°C (196°F).
The ECT s ens or is locat ed i n t he thermal control modul e and s ecured in the hous ing wi th a clip. The ECT s ens or provi desan engine coolant temperat ure si gnal t o t he Engi ne Control Module (ECM). The si gnal i s us ed by the ECM to cont rol t heoperati on of the 2 cool ing fans .For addit ional informat ion, refer t o: Electroni c Engi ne Controls - 2.2L Dies el (303-14 El ect ronic Engine Cont rols - 2.2LDies el, Des cript ion and Operat ion).
The ECM al so communi cat es the ECT si gnal on t he high speed Controll er Area Network (CAN) bus t o t he Central Junct ionBox (CJB). The CJB t rans mi ts t he ECT s ignal via t he medium s peed CAN bus to the ins trument cl us t er, for di spl ay on thecool ant t emperat ure gage.For addit ional informat ion, refer t o: Ins t rument Clus ter (413-01 Inst rument Cl us t er, Des cript ion and Operat ion).
RADIATOR

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LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Radi ator upper s upport bracket
2-Radi ator3-Twin fan cont rol module
4-High s peed ram fl aps (4 off)
5-Fan shroud6-Elect ric fan
7-Radi ator lower s upport bracket
8-F

ItemPart NumberDescription
1-Radi ator upper s upport bracket
2-Radi ator3-Twin fan cont rol module
4-High s peed ram fl aps (4 off)
5-Fan shroud6-Elect ric fan
7-Radi ator lower s upport bracket
8-Fan motor9-Cool ant drain point
10-Radi ator lower s upport bus h
The radi at or is a ri ght t o l eft cros s -flow type compri si ng an alumi num mat ri x. The bot tom of the radiat or i s l ocated inrubber bus hes , and support ed by a s t eel bracket s crewed to the body l ongi tudinal end plates . The t op of the radiator i slocated i n rubber bushes and i s s ecured by bracket s at tached to the hood l ocking pl at form.
A hos e connecti on on each s ide of t he radiat or provi des the at t achment for t he t op and bot t om hos e. A s mall diamet erport i n t he top RH s ide provi des a degas l ine connect ion t o t he cool ant reservoi r. A coolant drai n point i s provided on t hebott om LH si de of the radiat or.
The rear of t he radiat or is covered wit h a fan s hroud t hat als o provides t he mounti ng locati on for t he t win fans and fancont rol module. The 4 hi gh s peed ram flaps l ocat ed on t he s hroud are provi ded to assi st t he flow of cooling ai r int o t heengi ne compart ment , regardl ess of fan operat ion. The ram fl aps are operat ed by the ram air effect as ai r ent ers throught he front gril le. The ram fl aps open when air s peed through t he radi at or is suffi ci ent t o overcome t he flap clos ing force.
On vehicles i nst all ed wit h AW F21 aut omati c transmis si on, the t rans mis s ion flui d is cooled by an oil cool er mount ed t o t herear LH s i de of the radi ator. The cooler i s connected i nto t he LH t op t hird of the radiator (col d s ide) and caus es ares t ri ct ion t o t he flow of coolant across this porti on of the radiat or. As t he cool ant flow is rest ri cted, the coolant t ravels ata s lower rate creat ing a low temperat ure zone. Thi s cool s t he cool ant i n t hat porti on of the radiator more t han the l owerport ion t o provi de increas ed cooli ng of the trans mi s si on oil .For addit ional informat ion, refer t o: Trans mis s ion Cooli ng (307-02 Trans mis s ion/Trans axle Cooli ng, Des cri pti on andOperat ion).
TWIN ELECTRIC FAN ASSEMBLY
A t win electric fan ass embl y is mount ed t o the fan s hroud and at tached to the rear of the radi ator. The fans draw airt hrough the radiator t o regul at e t he cool ant temperat ure, and provide cooli ng air t hrough the engi ne compartment .
The fans are operated by the fan cont rol module that receives a 0 to 100% Puls e W idth Modulati on (PW M) frequency s ignalfrom the ECM. The ECM varies t he PW M si gnal bas ed on inputs from vari ous sens ors . The fan cont rol module us es t he PW Ms ignal to det ermi ne the required out put vol tage t o t he 2 cooling fan mot ors .For addit ional informat ion, refer t o: Electroni c Engi ne Controls - 2.2L Dies el (303-14 El ect ronic Engine Cont rols - 2.2LDies el, Des cript ion and Operat ion).
Followi ng certai n engine operat ing condi ti ons and wit h t he ignit ion s wi tched off, the fans wil l cont inue t o operate undert he cont rol of the ECM to maint ai n engine cooling.
ENGINE OIL COOLER

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LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Cool ant return from oi l cool er2-Cool ant s upply from cyl inder block
3-Oil filt er hous i ng
4-Oil pres s ure s wi tch5-Oil cool er
The engi ne oil i s cool ed b

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LAND ROVER FRELANDER 2 2006 Repair Manual CLIMATE CONTROL HEATER MATRIX
The heat er mat rix is i nst all ed in the cli mate cont rol as sembl y, l ocat ed on t he vehi cl e cent er li ne bet ween t he ins trumentpanel and t he engi ne bulkh

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