radiator LAND ROVER FRELANDER 2 2006 Repair Manual
[x] Cancel search | Manufacturer: LAND ROVER, Model Year: 2006, Model line: FRELANDER 2, Model: LAND ROVER FRELANDER 2 2006Pages: 3229, PDF Size: 78.5 MB
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Air Filtering
CAUTION: When vehicles are operating under arduous conditions, the following service item must be carried outevery 12 months or 15,000 miles (24,000 km).
Replace the ai r fi lt er el ement.For addit ional informat ion, refer t o: Air Cl eaner (303-12A Int ake Ai r Dis t ri but ion and Fi lt ering - I6 3.2L Petrol ,Removal and Inst all ati on).
Accessory Drive Belt
CAUTION: When vehicles are operating under arduous conditions, the following service item must be carried outevery 5 years or 75,000 miles (120,000 km).
Replace the access ory drive bel t.For addit ional informat ion, refer t o: Acces sory Drive Belt (303-05A Acces s ory Drive - I6 3.2L Pet rol , Removal andIns t allat ion).
Radiator and Cooling Fan
CAUTION: When vehicles are operating under arduous conditions, the following item must be carried out.
Vis uall y check radi at or for external obs truct ions , check cool ing fan blades for damage.
Continuous Use In Severe Off-Road Conditions
CAUTION: After 50 miles (80 km) continuous use in severe off-road conditions i.e. w ading, deep mud andabrasive grit/slurry, the following items must be cleaned and inspected.
The parking brake.The acces sory dri ve belt .
Vehicles used in dusty or field conditions or d eep wading:
More frequent att enti on to the ai r cl eaner wi ll be requi red.
Additional Items That May Require Attention
1. Every 6 years: It i s recommended t hat al l brake fl uid hydrauli c s eal s are replaced.
• NOTE: This i s in addi ti on to the maintenance requirement that fl exi ble brake hos es MUST be replaced at thi s s erviceint erval.
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Ins pect rear pads for wear.
Check brake cal ipers for s igns of fl ui d l eaks .
Check brake dis cs for condi ti on.
Check al l brake boos t er and brake s ys t em pipes and hos es for condi ti on, chafi ng and
leaks.Clean road wheel hub s pigot s and appl y greas e, Land Rover Part Number RY L 105020 t o
t he wheel mat ing surface
of each s pigot . Brake Fluid Replacement
CAUTION:
When vehicles are operating under arduous conditions, the following service item mus t be carried out
every 2 Years or 30,000 miles (48,000 km).
Replace brake fluid. Road Wheel Speed Sensors
CAUTION:
When vehicles are operating under arduous conditions, the following service item mus t be carried out
every 3 months or 3,750 miles (6,000 km).
Ins pect the road wheel s peed s ens or harness es for damage. Engine Oil and Filter
• CAUTIO NS:
When vehicles are operating under arduous conditions, the following service item mus t be carried out every 3
months or 3,750 miles (6,000 km).
Vehicles operating on high sulphur content fuel - above 0.7%, the oil and filter cha nge period MUST NOT
exceed 3 months or 3,750 miles (6,000 km).
Vehicles operating on moderate sulphur content fuel - 0.3 to 0.7%, the oil and filte r change period MUST NOT
exceed 6 months or 7,500 miles (12,000 km).
Renew engi ne oil and fil ter. Air Filtering
CAUTION:
When vehicles are operating under arduous conditions, the following service item mus t be carried out
every 12 months or 15,000 miles (24,000 km).
Replace the ai r fi lt er el ement.
For addit ional informat ion, refer t o: Air Cl eaner (303-12A Int ake Ai r Dis t ri but ion and Fi lt ering - I6 3.2L Petrol ,
Removal and Inst all ati on). Accessory Drive Belt
CAUTION:
When vehicles are operating under arduous conditions, the following service item mus t be carried out
every 5 years or 75,000 miles (120,000 km).
Replace the access ory drive bel t. For addi ti onal informat ion, refer to: Acces s ory Drive Belt (303-05A Acces s ory Drive
- I6 3.2L Pet rol, Removal and Ins tal lat ion). Camshaft Timing Belt, Tensioner and Pulley
CAUTION:
When vehicles are operating under arduous conditions, the following service item mus t be carried out
every 4 years or 60,000 miles (96,000 km).
Replace the cams haft t iming belt , tens ioner and pul ley.
For addit ional informat ion, refer t o: Timi ng Belt (303-01B Engi ne - TD4 2.2L Dies el, Removal and Inst all ati on).
Radiator/Charge Air Cooler and Cooling Fan
CAUTION:
When vehicles are operating under arduous conditions, the following items must be ca rried out.
Vis uall y check t he radiat or/charge air cool er for ext ernal obst ruct ions, check cooli ng fan bl ades for damage.Remove any debris from t he charge air cool er us i ng a l ow pres s ure hos e.
Continuous Use In Severe Off-Road Conditions
CAUTION:
After 50 miles (80 km) continuous use in severe off-road conditions i.e. w ading, dee p mud and
abrasive grit/slurry, the following items must be cleaned and inspected.
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ItemPart NumberDescription
1-Fluid ret urn (from s t eering gear)2-Reservoi r
3-Fluid ret urn (from flui d cool er)
4-Suct ion hos e (to power s t eering pump)5-Fluid cooler
The fl uid cooler is locat ed i n t he ret urn l ine from the st eeri ng gear t o t he res ervoir. The cool er compri s es fl exi bl e hos eswhich connect between t he res ervoi r and the return pipe from the st eeri ng gear. The cooler i s an i nt egral part of t he hos esand cannot be repl aced as a s eparat e component .
The cool er is a fabri cat ed alumi num t ube, t hrough which t he power st eering fl ui d passes and i s located in front of theengi ne cool ing radiator and t he Air Condit ioning (A/C) condens er. The out er di ameter of the cooler t ube has aluminumloops at tached to it which di ss i pat e heat. Cool air entering t he front of t he vehicle pas s es over t he cool er and flowst hrough the l oops . The l oops act as heat exchangers , conducti ng heat from t he fl uid as it pass es t hrough t he tube.
PRINCIPLES OF OPERATION
Fixed Dis placement Pump Schemat ic - Typical
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Coolant Flow - Open Thermostat
W hen t he t hermos tat opens, coolant is al so rout ed to the radiatorThe radi at or has an inl et on the Ri ght Hand (RH) s ide and 2 out let s on t he left-hand si deThe great er volume of cooled coolant is routed at the radi ator's l ower out let t o the coolant pumpAt t he upper outl et some of the coolant is routed t o t he automat ic t rans mi ss i on's oil cool er. Before t he coolantreaches the oi l cooler, it pas ses a 'choke' circuit t hrough t he radi at or wit h a lower (s lower) fl ow t han other cool ant s .This provi des opt imum cool ing of t he cool ant before i t reaches the oi l cooler, whi ch in turn, provi des effect ivecool ing of t he transmis s ion oil . The cool ant i s rout ed from t he oil cooler onwards to t he cool ant pump.
Bleeding
The engi ne has 2 bl eed ci rcuit s connected t o t he expans ion t ank. One is l ocat ed on the radiat or and the ot her on thecyl inder head.
Radiator and Cooling Fan(s)
The radi at or, whi ch di s si pat es heat from t he engine cool ant and engi ne mount ed oil cooler, i s manufactured from a 27 mmalumi num mat ri x wit h hi gh-pres s ure i nject ion molded end t anks .
ItemPart NumberDescription
A-Col d t o mi ld cli mat e radiat orB-Hot cl imat e radi at or
Dependant on cli mate condit ions t here are 2 s peci fi cat ions of radiat or fan avail abl e:
Cold t o mild cl imat es : a s ingle fan unit des igned around a 500W mot orHot climat es : a t win fan unit feat ures t wo motors del iveri ng a t otal of 750W
Common t o bot h fan types are:
Electric mot ors wit h brus hesThe Engi ne Control Module (ECM) controls t he fan speed via Pul s e W i dth Modulat ion (PW M) s i gnal s to the El ect ronicFan Cont rol Module (EFCM)The fan speed i s cont rol led at 4 l evel s:- Run-on occurs i n 3 s t ages (i.e. depres s ing the fan s peed)- The engine cool ing fan i s act ivated a cert ai n t ime aft er t he engine has been s wit ched off to prot ect vari ousengi ne component s from overheati ng- The t ime the fan is act ivated and the s peed of the fan i s dependent on the coolant t emperature and thedri ver's driving s t yle (engi ne load) when t he engi ne is swi tched off- The hott er the engine and the hot ter t he load, the hi gher t he fan speed and t he longer run-on ti me. The
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If the pres s ure drops, check the complet e cool ing s ys tem for l eaks . Als o refer to engi ne s ys t em checks i f aleak cannot be locat ed in the cooli ng s ys t em. Correct any leaks found and recheck t he s ys t em.
7. Release the s ys tem pres s ure and remove the press ure tes t equipment. Check the coolant level. Replenis h asnecess ary wit h t he correct cool ant s olut ion.REFER t o: Specificati ons (303-03A Engine Cooli ng - I6 3.2L Pet rol, Specifi cat ions ).
7.
8. Check t he radi at or overfl ow hos e for any obs truct ions which may block the flow of coolant eit her to or from t hecoolant expans ion t ank.8.
9. Conduct the coolant expans ion t ank pres s ure cap pres s ure t es t in t his secti on.9.
Coolant Expansion Tank Pressure Cap Pressure Test
W ARNING: Never, under any ci rcums tances, remove the coolant expans ion tank pres s ure cap whi le t he engine i soperati ng. To avoid havi ng s caldi ng hot water or s team bl ow out of the cooli ng s ys t em, use ext reme care when removi ngt he coolant expans ion tank pres s ure cap from a hot cool ing s ys tem. W ai t unti l the engine has cooled, then wrap a t hickcloth around t he coolant expans ion tank pres s ure cap and t urn it s lowl y unt il t he pres s ure begins t o releas e, s t ep backwhil e t he pres sure i s rel eas ed from the s ys tem. W hen certai n all t he pres s ure has been rel eas ed (s ti ll wit h a cl oth) t urnand remove t he coolant expans ion t ank pres sure cap. Fail ure t o follow thes e i ns t ructi ons may res ult i n damage t o t hecool ing s ys tem, engine and/or cause pers onal injury.
1. Remove the expansi on tank press ure cap from t he cool ant expans i on tank.1.
2. Us e water t o clean cap in area of rubber s eal and vacuum rel ief valve. Fol lowing manufact urers ins truct ions ,i nst all t he cool ant expans i on tank pres s ure cap t o t he pres s ure t es ter.2.
• NOTE: If the press ure tes ter i s pres s uris ed t oo quickly, an erroneous pres s ure readi ng may resul t.
3. Slowly pres suris e t he s ys t em unt il the pres sure gauge reading s t ops i ncreasi ng, and not e highest press urereadi ng obtained.
3.
4. Release pres sure and repeat Step 3 at leas t twi ce to make s ure t he pres s ure t es t reading i s repeatable andwi thi n s peci ficat ion.4.
5. If t he pres s ure t es t gauge readi ngs are not wi thin s pecificati on, i nst all a new coolant expans ion tank pres s urecap.5.
Thermostat Test
Remove the thermos t atREFER to: Thermos t at (303-03A Engine Cooli ng - I6 3.2L Pet rol, Removal and Ins tal lat ion).Ins pect for vis ible damage, note it s openi ng t emperature and immers e i t in wat er. Heat t he water unti l thi s temperat ure isreached. The t hermos tat s hould begin to open. If i t does not begin to open, ins t al l a new t hermos tat .REFER to: Thermos t at (303-03A Engine Cooli ng - I6 3.2L Pet rol, Removal and Ins tal lat ion).If thermos t at begi ns to open, cont inue t o heat the wat er unt il t he t hermos tat fully opens , 5.8 mm (0.2 in) or more off t hes eat . If it does not full y open, i nst all a new thermos t at.REFER to: Thermos t at (303-03A Engine Cooli ng - I6 3.2L Pet rol, Removal and Ins tal lat ion).
Radiator Leak Test - Removed from the Vehicle
CAUTION: Do not l eak tes t an alumi nium radiat or i n t he s ame wat er t hat is us ed t o leak t es t copper/bras s radiat ors .Flux and caust ic cl eaners may be pres ent in the t est wat er which wi ll corrode al umini um. If a separat e t ank is notavai lable, drai n and rins e the tes t tank before t est ing an alumini um radi ator.
Clean t he radi at or before leak t es t ing t o prevent cont aminat ion of t he tes t t ank. Leak tes t t he radiat or in clean wat er wit h138 kPa (20 ps i ) air pres s ure.
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Publi s hed: 11-May-2011
Engine Cooling - I6 3.2L Petrol - Radiator
Removal and Inst all ati on
Removal
1. W ARNING: Make sure t o s upport the vehicle wit h axles tands .
Rais e and s upport t he vehi cl e.
1.
Remove t he bumper armature.
Refer t o: Front Bumper (501-19 Bumpers , Removal and Ins tall ati on).
2.
Drai n t he cool ing s ys tem.
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).
3.
4.
Releas e power st eeri ng cooler and s ecure as ide.5.
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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
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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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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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Entrained gases i n t he cool ing s ys tem escape t hrough the t hermal control modul e degas l ine t o t he cool ant res ervoir.
The increas ing coolant temperature is felt at t he t hermos tat , and is regi s tered on the ins trument cl us t er coolantt emperature gage vi a t he ECM and ECT s ens or s i gnal.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).
Engine Normal Operating Temperature
W i th the coolant t emperature increas ing, at 83°C (181°F) t he t hermos tat reacts and commences openi ng. The by-pas svalve is progres s ively clos ed. Hot coolant ret urning from t he engi ne t o t he thermal control modul e i s now all owed to pas st hrough the t op hos e connecti on to the radiator. The fl ow of hot coolant t o t he radiat or now forces cold cool ant wi thi n t heradi at or and bot t om hos e t o fl ow t o t he thermal cont rol module.
Duri ng the thermos t at opening period t here i s an i nit ial temperat ure di fferenti al of t he coolant at bot h s ides of t het hermos tat . The thermos t at react s t o t he t emperature different ial and part iall y closes , whi le t he by-pas s val ve opensfurther. The thermos t at and by-pas s valve conti nue to oscil lat e whil e t he cool ant t emperat ure i ncreas es .
At a coolant temperat ure of 91°C (196°F) t he thermost at is full y opened and t he by-pas s valve i s ful ly clos ed. The returncool ant from t he engi ne is now ful ly circul ated t hrough t he radiat or and bot tom hose. Coolant flows t hrough the radiat orfrom the RH tank t o t he LH t ank, and i s cool ed by air pass i ng through the mat ri x. Ent rai ned gas es i n the radiat or es capet hrough the connect ed degas l ine t o t he cool ant res ervoir.
The increas ed cool ant volume created by heat expans ion caus es the coolant level to ri se through t he connecti ng res ervoirhose, and i nt o t he res ervoi r.
The t emperature of the cooli ng s ys t em i s cons t ant ly moni tored by t he ECM via the ECT s ens or s i gnal. The ECM uses t heECT s ignal to control operati on of the cooling fans , and to adjus t engine fueling. The ECM al so operates t he fans i nres ponse to input s from the aut omati c t ransmis s ion oil t emperat ure s ensor, Air Condit ioning (A/C) s ys tem cont rol s wit ch,and t he A/C pres sure s ens or. For addit ional i nformati on, refer to: El ect ronic Engine Cont rols - 2.2L Di es el (303-14Electroni c Engine Controls - 2.2L Dies el, Des cript ion and Operat ion).For addit ional informat ion, refer t o: Air Condit ioning (412-01 Cli mat e Cont rol , Descripti on and Operat ion).
The cool ing fan s peed is als o infl uenced by vehicle road s peed. The ECM adjus t s the speed of t he cool ing fans tocompens ate for t he ram air effect , us ing t he CAN bus road speed s ignal received from the Ant i-Lock Brake Sys tem (ABS)module.
W hen t he engine i s s hut down, t he coolant t emperature and volume decreas e. The thermos t at st art s t o clos e as t hecool ant t emperat ure decreas es to 89°C (192°F), and is fully cl osed at 81°C (178°F). The coolant level wit hin t he res ervoi rdecreas es as coolant is drawn from the res ervoi r to replenis h the s ys tem.
Followi ng engi ne s hut down when the coolant pump i s s tat ionary, the ECM may cont inue t o operat e t he cool ing fans for apre-det ermined peri od to maint ai n engine cooling.