2006 LAND ROVER FRELANDER 2 Repair Manual

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Page 769 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Pi s ton ring s et (3 ri ngs per pi st on)2-Pi s ton as s embly
3-Connect ing rod as s embly
4-Bi g-end beari ng upper half s hell (4 off)5-Bi g-end beari ng lower half

Page 770 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual 12-Dual mas s flywheel (manual t rans mi ss i on vehi cl es )
13-Bol t (8 off)
14-Torque convert er flex-pl ate (automat ic trans mi ss i on vehi cl es)15-Mai n beari ng lower half s hel l (4 off)

Page 771 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Lateral movement of the cranks haft is res trict ed by 4 half-round thrus t was hers , located on bot h s ides of No. 2 mai nbearing. Lubricati on grooves are formed on t he thrus t was hers an

Lateral movement of the cranks haft is res trict ed by 4 half-round thrus t was hers , located on bot h s ides of No. 2 mai nbearing. Lubricati on grooves are formed on t he thrus t was hers and mus t face toward the main beari ng. The cranks haftend-float mus t be bet ween 0.07 mm (0.003 in) and 0.32 mm (0.013 i n).
Each main beari ng housi ng and half cap cont ains an upper and lower bearing half s hell manufactured from al uminum/ti n.The upper half s hell s are formed wit h a dril li ng and annular groove t o t rans fer press uri zed oi l from t he main bearing,t hrough cranks haft drill ings t o t he connecti ng rod bi g-end bearings .
The main bearing half caps and t he upper and l ower beari ng half s hel ls are formed with a l ug. The l ug allows correctali gnment of t he bearing and cap, and prevent s radi al movement of t he bearing.
To mai nt ain the correct cranks haft mai n bearing cl earance, the main beari ng half s hells are avail abl e in varying t hicknes s .The upper mai n beari ng hal f s hel l is only avail abl e i n 1 s ize; t he lower mai n bearing hal f shell i s avai lable in 5 si zes . Bot ht he upper and lower mai n bearing hal f shel ls are col or coded for i dent ificati on. To det ermi ne t he correct s ize of bearing hal fs hel l, clas s ificat ion markings on t he cranks haft front face and on t he cyl inder bl ock front face are us ed in conjunct ion wi tha beari ng s ize chart .
For furt her det ail s on main bearing half s hell i ns t allat ion, refer to the relevant Servi ce Repai r Procedures (SRP).
A drive gear is formed as a 's hri nk-fit ' on No. 3 cranks haft web, located bet ween No. 2 mai n bearing journal and No. 2connecti ng rod bi g-end journal . The dri ve gear i s s ingle hel ical cut and provides t he dri ve to the counter-balance s haftgears . An 18 t eet h s pur gear i s located on the front of the cranks haft , behi nd the front cranks haft s eal ing pl at e. The s purgear provi des the drive t o t he oil pump as s embly via a s ingle row chain, and i s locked to the cranks haft wit h a woodruffkey.
A t oothed gear mount ed t o t he front of t he cranks haft provides t he dri ve for t he cams haft t iming belt . The dri ve gearcont ains 21 t eeth and is keyed to the cranks haft wit h a woodruff key.
Crankshaft Oil Seals

Page 772 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Cranks haft front s eal adaptor2-Cranks haft front oil s eal
3-Cranks haft rear oi l s eal
The crankshaft is s ealed t o t he cyl inder bl ock at the front and r

Page 773 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Upper compres si on ri ng2-Lower compres si on ri ng
3-O il cont rol 's craper' ring
4-Gudgeon pin5-Gudgeon pin ci rcli p (2 off)
6-Pi st on and connecti ng rod a

Page 774 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual For furt her det ail s on connecti ng rod bi g-end beari ng ins tal lati on, refer t o t he relevant Service Repair Procedures (SRP).
The pis t ons are manufactured from al uminum alloy and are i ns

For furt her det ail s on connecti ng rod bi g-end beari ng ins tal lati on, refer t o t he relevant Service Repair Procedures (SRP).
The pis t ons are manufactured from al uminum alloy and are i ns t alled wit h 2 compres s ion rings , and an oil cont rol ring wi tha s piral spring. A s teel ins ert i s i ns t alled in t he pis t on upper ring groove t o provi de reinforcement. The pis t on crown i s at oroidal des i gn that forms a pronounced bowl in t he center of the pi s ton head. Recesses are als o formed in t he pis t oncrown t o provi de cl earance for t he 4 valve heads. This des ign of combus ti on chamber promot es high l evel s of swirl andt urbulence required for complete combus t ion of t he air/fuel mi xture, and al so improves t he engine emi ss i ons .
The 3 pi st on rings mus t be ins t al led wi th the ring gaps s paced at 120° (wit h permis sible tolerance of 15° t o 20°) to eachother, around the pi st on. The 2 upper compres s ion rings are s tamped wi th 't op' t o aid ins tall ati on. The gap of t he doubl ebevel ed oil cont rol ring mus t als o be oppos it e t he s pi ral s pri ng joint .
The ful l ski rt pis t on is coated wit h a graphi te bas ed s ubst ance to reduce fri cti on wit h t he cyl inder bore. The graphi te bas edcoat ing i s es pecial ly i mport ant during t he engine runni ng in period and s t art-up. The pis ton al so incorporat es 2 oil coolingchannels t hat are formed on the unders i de of the pi st on head.
Two bus hed hol es are formed at oppos it e s ides of t he pis ton s kirt for i nst all at ion of a full y floati ng gudgeon pin. Thegudgeon pi n pass es t hrough the pi s ton bus hed hol es and connecti ng rod s mal l-end, and i s ret ained at each end wit h acircl ip. The pis ton, gudgeon pi n and connecti ng rod smal l-end are s uppli ed wit h oil from an oil s pray jet, l ocat ed bel oweach cyli nder bore.
Duri ng ins tal lat ion of t he pis tons , the s t amped direct ion arrow and 'DIST' on each pis ton crown mus t face t oward t he frontof the engine (acces s ory drive end).
For furt her det ail s on pis t on and pis ton ring ins tall ati on, refer t o the relevant Service Repai r Procedures (SRP) manual.
Oil Pan Housing and Oil Separator

Page 775 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Oil fill er tube
2-Oil s eparator3-Oil t emperature s ens or
4-Oil s eparator ret urn pi pe
5-Oil pan housi ng bolt s (20 off)6-Oil pan housi ng
7-Oil level gage
Th

ItemPart NumberDescription
1-Oil fill er tube
2-Oil s eparator3-Oil t emperature s ens or
4-Oil s eparator ret urn pi pe
5-Oil pan housi ng bolt s (20 off)6-Oil pan housi ng
7-Oil level gage
The alumi num oil pan hous ing i s s ecured wit h 20 bolt s t o t he bot t om of t he cyl inder bl ock, and forms an ext ens ionbetween t he cyl inder block and oil pan. The oi l pan hous ing i s requi red i n order t o increas e t he dis tance between t he oilpump and oil pan, due to the ins tall ati on of the counter-balance s haft ass embly.
The rear of t he oil pan hous i ng provides t he lower mounti ng poi nts for the trans mi s si on cas i ng. Dril lings formed in t he LHs ide of t he hous i ng provide t he locati on for t he oil l evel gage tube, oil t emperature s ens or, and t he ret urn hos e from t hecrankcas e venti lati on oil s eparator.
The crankcas e venti lati on oil s eparator i s als o connected to t he oil fil ler t ube, located at t he rear LH si de of the engine. Oi lfor repl enis hing t he s ys t em pas ses through t he oil s eparator and return hos e, and int o t he oil pan. An oil baffle pl ate i sins t al led i n t he oil pan housi ng to reduce oil aerat ion and s plas h.
Oil Pump
The rot or type oil pump is l ocat ed bet ween t he oil pan and oil pan housi ng, and at t ached wi th 5 bol ts to the front of t hecount er-bal ance s haft as s embly. The oil pump i s dri ven by the cranks haft via a s ingle row chain. For furt her informati on,refer to 'Lubricati on Sys t em' wit hin t his s ecti on.
Oil Temperature Sensor
ItemPart NumberDescription1-Oil t emperature s ens or
The oil t emperature s ens or is locat ed at t he rear LH s ide of oi l pan hous ing. The s ens or body is s crewed i nto the oi l panhous i ng wit h t he t ip prot rudi ng int o t he oil pan. The s ens or provi des oi l temperat ure informati on t o t he ECM.For addit ional informat ion, refer t o: Electroni c Engi ne Controls (303-14 Electronic Engine Controls - 2.2L Durat orq - Td4,Des cript ion and Operat ion).
Oil Pan

Page 776 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Oil pan2-Oil pan capti ve bol t (21 off)
3-Oil drai n plug
The pres s ed s teel oil pan is sealed wit h a l iquid sealant , and secured wi th 21 capt ive bolt s t o t

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