Page 918 of 3229
T orque:
7 Nm Connect t he batt ery ground cable.
Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -
General Informat ion, Specificati ons).
11.
Connect exhaus t extract ion hos es to the tail pi pes .
12.
Refi ll t he cool ing s yst em.
13.
St art t he engi ne and cont inue t o fill t he cool ant unt il t he maximum
l evel is reached.
14.
Inst all t he cool ant expans i on tank cap.
15.
All ow t he engine t o idl e, unt il hot air i s emit ted at the face
regi st ers .
16.
Swit ch t he engi ne off and all ow t o cool.
17.
Clean any s pil t cool ant from t he vehi cl e.
18.
Check and top-up the coolant if requi red.
19.
Inst all t he engi ne undershi eld.
Refer t o: Engi ne Unders hi eld (501-02 Front End Body Panel s ,
Removal and Ins tall ati on).
20.
Page 921 of 3229

Publi s hed: 11-May-2011
Engine Cooling - I6 3.2L Petrol - Coolant Pump
Removal and Inst all ati on
Removal
Remove t he cover and dis connect the bat tery ground cabl e.
Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -General Informat ion, Specificati ons).
1.
Remove t he engi ne cover.
Refer t o: Engi ne Cover - I6 3.2L Pet rol (501-05 Int eri or Trim andOrnament ati on, Removal and Ins tal lat ion).
2.
Remove t he bat t ery t ray.
Refer t o: Bat t ery Tray (414-01 Bat tery, Mount ing and Cables ,Removal and Ins tall ati on).
3.
Remove t he air cleaner as s embly.
Refer t o: Air Cleaner (303-12A Intake Ai r Dis tribut ion and Fil tering -I6 3.2L Pet rol, Removal and Ins t al lat ion).
4.
Drai n t he cool ant .
Refer t o: Cool ing Sys tem Drai ni ng, Fi lli ng and Bleeding (303-03AEngine Cooli ng - I6 3.2L Petrol, General Procedures).
5.
Remove t he A/C compress or, l ower support bracket.6.
Us ing s uit able t ools , rel eas e t he acces s ory drive beltt ens i on.7.
Page 934 of 3229
Publi s hed: 11-May-2011
Engine Cooling - I6 3.2L Petrol - Coolant Expansion Tank
Removal and Inst all ati on
Removal W ARNING: W hen rel eas i ng the cooli ng s ys t em pres s ure, cover t he cool ant expansi on tan
k cap wi th a t hi ck cl oth.T orque:
10 Nm 1.
Clamp the relevant hos e, t o mi ni mis e coolant los s .
2. 3. CAUTION: Be prepared to col lect escaping
cool ant.
3.
Page 936 of 3229
Publi s hed: 11-May-2011
Engine Cooling - I6 3.2L Petrol - Engine Coolant Level Switch
Removal and Inst all ati on
Removal
• NOTE: Removal s t eps in t his procedure may cont ain i nst all ati on det ail s. T orque:
10 Nm 1.
2.
Installation To i nst all , revers e t he removal procedure.
1.
Page 937 of 3229

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 -freezecontaini ng no met hanol wit h only Organic Acid Technology (O AT) corrosi oni nhi bit ors
Anti -freeze concentrati on - W i ll provi de frostprot ect ion to -40°C (-40°F)50%
Speci fi c gravit y of cool ant at 20°C (68°F), t oprot ect agains t fros t down to -40°C (-40°F)1.068
Amount of anti-freeze to use for 50%concentration:4.25 li ters
C apacitiesItemCapacity (liters/pints/US quarts)
Cooli ng sys t em capacit y8.5/15.0/9.0
General Specification
ItemSpecificationCoolant pump21.5 li ter/mi n : 2.8 bar
Cooli ng fan750W /600W
Cooli ng sys t em t ypePress uri s ed, t hermos tat icall y cont roll ed wi th remote header t ankExpans ion tankSeeber wit h int egrated level s ensor
Pres s ure cap rati ng145 kPa (21lb/i n²)
Radiat orVal eo 28mm core wit h i nt egrat ed drain cock and repl aceable l ower pi nThermos t atW ax element
St arts to open83°C (181°F)
Full y open91°C (200°C)
Torque Specifications
DescriptionNmlb-ftA/C condens er t o radiator107
Automat ic trans mi ss i on fl uid cooler66
Coolant manifold t o t hermos tat hous ing pipe.86Coolant expans ion t ank bol t107
Coolant pump bolt s1713
Cyli nder block s ealing pl ug4231Radiat or bolt s65
Radiat or drain pl ug76
Thermos t at hous ing bolt s86W iri ng harnes s s upport bracket .86
Page 938 of 3229
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-Twi n electric fan as sembl y4-Coolant res ervoir wit h int egral level s ens or
Page 939 of 3229

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 pump (col d cli mate vehi cl es )11-Fuel Fi red Boos ter Heater (FFBH) - (cold cli mate vehi cl e)
OVERVIEW
The main requirement of t he TD4 di es el engi ne cool ing s ys tem is t o regul ate t he engines operati ng t emperature, wit hi n anopti mum range for all ambi ent and operat ing condit ions. Addit ional functi ons of t he cool ing s ys tem are to provi de heat ingt o the cl imat e cont rol s ys tem, and cooling for the EGR s ys t em, engi ne lubri cat ion sys tem, and t rans mi ss i on lubri cat ions ys t em (automat ic t rans mis s ion model s only).
The cool ing s ys tem pipes and hoses feature qui ck rel eas e coupl ings t o all ow eas y acces s to the sys tem.
On cold cl imat e market vehicles , the cooli ng s ys t em i s modified t o i ncorporate a FFBH and auxi liary cool ing pump. TheFFBH provides auxili ary heati ng t o t he vehi cl e cabi n.For addit ional informat ion, refer t o: Fuel Fired Boost er Heat er (412-02B Auxi liary Cli mate Cont rol , Des cri pti on andOperat ion).
COOLANT PUMP
ItemPart NumberDescription
1-Bolt (7 off)
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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 and circul ates coolant through t he cylinder block and cyl inder head, cool ing s ys temand heat er circuit .
The cool ant pump is able to del iver cool ant at a rate of 215 lit ers /min (57 US gal lons /min) at 2.8 bar (41 psi ), creat ing amaximum external s yst em press ure of 2.0 bar (30 psi ).
A l arge di amet er cool ant rail located on the Ri ght -Hand (RH) s ide of t he engine connects the rear of t he coolant pumphous i ng to the t hermal control modul e outl et . A connect ion on t he cool ant rail at t he cool ant pump hous ing end provi dest he coolant return from t he EGR cooler.
THERMAL CONTROL MODULE
ItemPart NumberDescription
1-Thermos t at and by-pass val ve
2-Radiat or top hos e connecti on3-Radiat or bot tom hose connect ion
4-Coolant rai l connect ion to coolant pump hous ing
5-Engine Coolant Temperat ure (ECT) sens or6-Degas l ine connecti on
7-Supply t o heater i nl et
The t hermal cont rol module i s mounted to t he rear of t he cyl inder head wit h 2 s t uds and nut s , and 2 bolt s and is s ealedwit h an O-ring. The module compri s es a wax t ype thermos t at wit h by-pas s valve, and an ECT s ens or. Two connect ions ont he Left-Hand (LH) s i de of the module provide t he connecti on for t he radi at or top and bot tom hoses .