Workshop Manuals Factory service & repair Land Rover
01 Range Rover Classic - 199502 01 - INTRODUCTION03 04 - GENERAL SPECIFICATION DATA04 05 - ENGINE TUNING DATA05 06 07 - GENERAL FITTING REMINDERS07 09 - LUBRICANTS, FLUIDS AND CAPACITIES08 10 - MAINTENANCE09 12 - ENGINE - Tdi10 11 12 13 12 - ENGINE - V8i14 17 - EMISSION CONTROL15 19 - FUEL SYSTEM - Tdi16 19 - FUEL SYSTEM - MFI17 19 - FUEL SYSTEM - CRUISE CONTROL - V8i18 26 - COOLING SYSTEM - Tdi19 26 - COOLING SYSTEM - V8i20 30 - MANIFOLD AND EXHAUST SYSTEM21 33 - CLUTCH22 37 - MANUAL GEARBOX - R38023 41 - TRANSFER GEARBOX - BORG WARNER24 25 44 - AUTOMATIC GEARBOX - ZF26 27 28 47 - PROPELLER SHAFTS29 51 - REAR AXLE AND FINAL DRIVE30 31 54 - FRONT AXLE AND FINAL DRIVE32 33 34 57 - STEERING35 36 37 60 - FRONT SUSPENSION38 64 - REAR SUSPENSION39 68 - AIR SUSPENSION40 70 - BRAKES - NON ABS41 70 - BRAKES - ABS42 70 - BRAKES - ELECTRONIC TRACTION CONTROL43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 74 - WHEELS AND TYRES59 75 - SUPPLEMENTARY RESTRAINT SYSTEM60 76 - CHASSIS AND BODY61 62 63 64 80 - HEATING AND VENTILATION65 82 - AIR CONDITIONING66 84 - WIPERS AND WASHERS67 86 - ELECTRICAL
Land Rover Range Rover Classic25 · 44 - AUTOMATIC GEARBOX - ZF
25 · Transmission

ROAD TEST PROCEDURE (page 2 of 2)

Make
Land Rover
Model
Range Rover Classic
Section
FAULT DIAGNOSIS
44 - AUTOMATIC GEARBOX - ZFROAD TEST PROCEDURE · page 2 of 2
background image

ZF

3

FAULT DIAGNOSIS

ROADTEST 3 = CHECKS
12-13-14-15-16-17-18-19-20-21-22-23

D SELECTED FROM REST

LIGHT THROTTLE START

CHECK 12

Check 1st 2nd upshift speed and quality.

CHECK 13

Check 2nd 3rd upshift speed and quality.

CHECK 14

Check 3rd 4th upshift speed and quality.

NOTE: This shift is usually very difficult to
detect but can be confirmed by a 200 rpm
drop in engine speed.

CHECK 15

Check speed and quality of shift into direct drive
clutch, confirmed by 300 rpm drop in engine speed.

NOTE: An intermediate throttle position
engagement of 4th and the direct drive
clutch, which is indicated by a fall of

500rpm in engine speed.

CHECK 16

At approximately 88 kph (55 mph) depress throttle to
kickdown - gearbox should change down to 2nd -
release throttle to re-engage 4th direct drive clutch
continue to accelerate gently.

CHECK 17

At approximately 128 kph (80 mph) depress throttle to
kickdown - gearbox should change down to 3rd -
release throttle to re-engage 4th direct drive clutch
and continue to accelerate gently.

CHECK 18

At approximately 138 kph (85 mph) select 3rd,
gearbox should change immediately down to 3rd.
Release throttle.

CHECK 19

De-accelerate to approximately 47 kph (30 mph)
depress throttle to kickdown - geabox should
downshift to 1st gear, continue accelerating at full
throttle until 3rd gear is attained. To do this you will
have repeated check 2 of Test 1.

CHECK 20

At 128 kph (80 mph) select 2nd no downshift should
occur. Release throttle.

CHECK 21

At 104 kph (65 mph) an automatic downshift into 2nd
gear should occur. Continue to de-accelerate.

CHECK 22

At 88 kph (55 mph) select 1st. No downshift should
occur. Continue to de-accelerate.

CHECK 23

With 1 selected 2nd gear engaged continue to
de-accelerate and at 45 kph (28 mph) the box should
automatically downshift to 1st gear after which no
upshifts will occur in this selector position.

END OF ROADTEST

Parts & tools for this job For Land Rover Range Rover

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.