2006 LAND ROVER FRELANDER 2 brake

Publi s hed: 11-May-2011
Power Brake Actuation -
General SpecificationItemSpecification
Brake boos ter t ypeTwi n chamber 203.20 mm and 228.60 mm (8.00 in and 9.00 i n)
Boost rati o8:1Brake vacuum pump makeBos ch
Torque SpecificationsDescriptionNmlb-ft
Brake boos ter t o brake pedal bracket nuts2216
Brake mast er cyl inder nut s2619Brake vacuum pump bolts:
3.2L Pet rol1713
2.2L Dies el97

Publi s hed: 11-May-2011
Power Brake Actuation - Brake Booster
Des cript ion and Operat ion
COMPONENT LOCATION
• NOTE: Left -Hand Drive (LHD) shown; Right -Hand Drive (RHD) s imi lar.
ItemPart NumberDescriptionA-Power brake component locat ion - i6 engine
B-Power brake component locat ion - TD4 engi ne

1-Vacuum pi pe - i 6 engi ne
2-Vacuum pump - i6 engi ne
3-Vacuum pi pe - TD4 engine (up t o 2010 MY )4-Vacuum pump - TD4 engine
5-Check valve
6-Brake boost er
OVERVIEW
Power as s is t ance for the braki ng s ys t em i s provided by a vacuum operat ed, non-act ive brake boos ter.
The brake boost er is a compact unit t hat occupi es les s s pace than a convent ional brake boos t er, improving t he vehi cl escras h performance charact eri st ics . The uni t is ins tall ed wi th t andem diaphragms that are 203.20 mm (8.00 in) and 228.60mm (9.00 in) i n diamet er and operate as a s ingle uni t.
The unit i s located on t he driver's si de of the engine compartment , and is s ealed t o t he bulkhead wit h a gas ket ands ecured wit h 4 s t uds and locki ng nuts . The brake boost er act uati ng pus h rod i s att ached t o t he brake pedal wit h a clevispin. The boost er out put rod l ocat es in the primary pis ton of t he brake mast er cyl inder.For addit ional informat ion, refer t o: Hydraulic Brake Actuati on (206-06 Hydraulic Brake Act uati on, Des cri pt ion andOperat ion).
VACUUM COMPONENTS
For bot h t he i6 gas oli ne and TD4 dies el engi nes , t he vacuum requi red for brake booster operati on is creat ed by a vacuumpump mount ed at the rear of t he cylinder head. The vacuum pump i s dri ven by the i ntake cams haft.
A rigi d plas ti c pipe connect s the vacuum pump t o a check valve ins t al led on the front chamber of t he brake boost er. Thepipe l engt h and rout ing is different for LHD and RHD model s.
The check valve mai ntains the vacuum neces s ary for brake boos t er operat ion and prevent s air from ent eri ng the frontchamber.
Stop/Start Vehicles - From 2010 MY
Stop/St art Vehicl e Component s
ItemPart NumberDescription
1-Brake vacuum sens or
Brake vacuum s ens or

A brake vacuum s ensor i s int roduced on Stop/St art vehicles t o moni tor vacuum res erves in the brake servo. The vacuums ens or is mount ed i n the vacuum pi pe and hardwired to the ECM.For addit ional informat ion, refer t o: Starti ng Sys t em (303-06C Starti ng Syst em - TD4 2.2L Di es el, Vehicles Bui lt From:01-03-2009, Descripti on and Operat ion).

Publi s hed: 11-May-2011
Power Brake Actuation - Power Brake System
Diagnosi s and Tes ti ng
For addit ional informat ion.
REFER to: Brake Sys tem (206-00 Brake Sys tem - General Informati on, Diagnos is and Tes t ing).

Publi s hed: 11-May-2011
Power Brake Actuation - Brake Booster
Removal and Inst all ati on
Removal
• CAUTIO NS:
Extreme cleanli nes s mus t be exercis ed when handli ng thes e component s.
If brake fluid is s pil t on the pai ntwork, t he affect ed area must be immedi ately washed down wi th col d wat er.
All vehicles
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.
Di sconnect t he bat t ery ground cable.
Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -General Informat ion, Specificati ons).
2.
Remove t he winds hield wiper motor and l inkage.
Refer t o: W i nds hield W i per Mot or (501-16 W ipers and W as hers ,Removal and Ins tall ati on).
3.
Remove t he dri ver l ower ai r bag modul e.
Refer t o: Dri ver Lower Air Bag Module (501-20B SupplementalRes traint Sys t em, Removal and Inst all at ion).
4.
Left-hand drive vehicles
5.

Installation
All vehicles
1. CAUTION: Make s ure that the mati ng faces are cl ean and
free of foreign mat eri al.
Inst all t he brake mas ter cyli nder.
T orque: 26 Nm 1.
2. CAUTION: Make s ure that the mati ng faces are cl ean and
free of foreign mat eri al.
Inst all t he brake boost er.
T orque: 22 Nm 2.
3. CAUTION: Make s ure that the mati ng faces are cl ean and
free of foreign mat eri al.
Inst all t he brake fluid tubes.
T orque: 15 Nm 3.
Vehicles with manual transmission 4. CAUTION: Make s ure that the mati ng faces are cl ean and
free of foreign mat eri al.
Connect t he clutch flui d li ne.
4.
All vehicles Connect t he brake boost er vacuum l ine.
5.
Connect t he low brake fl uid warning i ndi cat or swit ch el ect ri cal
connector.
6.
Left-hand drive vehicles Inst all t he ECM bracket.
T orque: 10 Nm 7.
Inst all t he ECM.
8.
All vehicles Inst all t he dri ver l ower ai r bag modul e.
Refer t o: Dri ver Lower Air Bag Module (501-20B Supplemental
Res traint Sys t em, Removal and Inst all at ion).
9.
Inst all t he winds hield wiper motor and l inkage.
Refer t o: W i nds hield W i per Mot or (501-16 W ipers and W as hers ,
Removal and Ins tall ati on).
10.
Connect t he batt ery ground cable.
11.

Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -General Informat ion, Specificati ons).
Bleed t he brake s ys tem.
Refer t o: Brake Syst em Bl eedi ng (206-00 Brake Syst em - GeneralInformat ion, General Procedures).
12.
Vehicles with manual transmission
Bleed t he clut ch sys t em.
Refer t o: Clutch Sys tem Bleeding (308-00 ManualTrans mi ss ion/Transaxle and Clut ch - General Informati on, GeneralProcedures ).
13.