360 Modena gear box manual - All Ferraris

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D6.12 DIAGNOSIS Transmission Control Unit (TCU) supply Signs of possible problems • The display shows a horizontal line, the gearbox failure warning light is lit. • The electric pump is never activated. • The system seems to give no "response" when the levers are operated. • The TCU cannot be connected to the Ferrari Tester. Components involved • Battery and knife switch connection. • Fuse. • Ignition switch. • TCU. Practical checks • Check the fuse, check that the knife switch is closed and that the supply pins feature the battery voltage. • By turning on the instrument panel, always with the TCU disconnected, check that pins 27 and 28 feature +12V battery. When everything is working properly • Pin 27 features +12V battery. • When turning on the instrument panel, pin 28 of the TCU features +12V battery. Sensor supply (5V) Signs of possible problems • Gear-shifting is irregular or not performed. • The pump cannot be activated properly. Components involved • TCU. • Pressure transducer • Engagement and selection position sensors.
Practical checks • By means of the Ferrari Tester, check that the line pressure ranges between 42 and 60 bar. • By means of the Ferrari Tester, check that the engagement and selection values range within the min. and max. thresholds shown. • By means of a tester, check voltages between pin 2 and 73 and between pin 2 and 79. On pin 73, it is possible to read the supply voltage for the engagement and selection sensors, while on pin 79, it is possible to read the supply voltage for the pressure sensor. NOTES The short-circuit of one of the sensors mounted on the actuator can jeopardise supply and consequently the performance of the other. As a consequence, if pin 73 lacks supply, check which one of the two sensors has caused the problem. Hydraulic Power Signs of possible problems • The gearbox warning light continues to flash. • The electric pump is not properly activated. • The system does not shift gears Components involved • Battery and knife connection. • TCU. • Electric pump relay and 30A fuse. • Electric pump. • Pressure sensor. • Hydraulic circuit. • Power Unit and actuators. Practical checks • By means of the Ferrari Tester, check that the line pressure ranges between 42 and 60 bar. • If the pressure indicator is below 42 bar, check that the electric pump features +12V battery using the 30A fuse and the RLE relay controlled by 31 of the TCU. • If the electric pump is working properly and the pressure does not rise, check the pressure transducer or if there's any hydraulic leakage, including the screws used for draining the hydraulic actuator system and the oil level in the tank.
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D CLUTCH-GEARBOX-DIFFERENTIAL D1 GE
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Gears Gear ratios Final reduction r
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Pinion/Crown backlash (on 3 points
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AV 3261 Tool for fitting the clutch
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D1.04 TIGHTENING TORQUES NOTES To c
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D2.01 DISMANTLING This paragraph de
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Electronically controlled version o
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• Detach the actuator's rear supp
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• Release the oil pipes from the
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• Unscrew the clutch pipe union (
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• In the lower part of the engine
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• Fasten the ends of the belt ont
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• Sling the gearbox as described
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• Lock the six nuts and the two l
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• Fasten the engine service cable
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• Re-assemble the oil coolant pip
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• Re-assemble the gearbox support
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• Replenish the engine oil ( A 3.
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Vehicles with the N. 63614 (type F1
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Starting from vehicle Ass.ly No. 53
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• Unscrew and remove the eight sc
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Therefore, for the engines installe
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• Lubricate the ORings (9) and th
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Use the tool AV 3079 to centre the
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NOTES Replacement of the control an
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to adjust the pedal into the restin
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NOTES On the US versions, the switc
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• Screw the adjusting screw (3) o
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( G 2.03). Tightening torques Nm Ca
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• Fill and drain the clutch syste
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• Press the clutch pedal and simu
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5- Press "ENTER" to activate the te
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D4.01 REPLACING THE EXTERNAL COMPON
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• Using a commercial bearing extr
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• Remove the left-hand side catal
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• Position the grommet with its c
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Flexible upper bushing on the gearb
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• Screw the nut (B) with the wash
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• Fit the spacers on every side o
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• Before fitting the new pad, che
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Gearshift selection levers (Mechani
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• Check that the equaliser (H) an
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• Clean the coupling surfaces of
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• Unscrew the three nuts and remo
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• Pull the two cables from the pa
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• Working from under the car, mak
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7 Check that the control lever is i
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In case of interference during 4th
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• Unscrew the four screws fasteni
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IMPORTANT In case of replacement of
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D4.04 DETACHING/RE-FITTING THE GEAR
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Note for the US version On these ca
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Support brackets for the pneumatic
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• Unscrew and remove the screw wi
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• Remove the movable frame from t
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• Remove the movable frame from t
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• Tighten screws (5), (7) and (8)
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D4.05 GEARBOX OVERHAUL Gearbox iden
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• Fix it on the housing, using th
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42 Lay shaft (pinion) 43 Flexible r
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the protective sheet for the oil-fl
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• Use the USAG 454N/2 extractor p
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• Fit the extracting tool arms US
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• Lock the base AV 3252 in a vice
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• Rivet the caulkings of the shou
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• Using the previously used armed
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• Lock the tool's support plate i
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odies. • To remove ball bushing (
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• When re-assembling, use the pun
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NOTES For oil pump disassembly and
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Starting FROM gearbox 10928, the ne
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and uniform. • Position this so f
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• When assembling the 3 rd - 4 th
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Unscrew the four fastening screws w
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Re-assembling the gearbox shaft com
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• Apply the recommended locking p
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• Reset the dial gauge on the che
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• Fit the outer race of the rear
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• Place the lay shaft on the chec
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• To determine the thickness (S3)
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• Again using the gauged blocks,
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• Fit the bushing AV 3284 in the
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• Using punch AV 3262 and a rubbe
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• Mount the intermediate plate us
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D5.01 COMPONENT REPLACEMENT Differe
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• Turn over the left-hand cover a
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Differential crown IMPORTANT The di
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• Re-assemble the differential un
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• Remove the outer race of the ro
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NOTE For positioning the pinion ( D
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• Proceed mounting the inner race
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NOTES The thickness of the spacers
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• Install the components on the l
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At this re-assembly stage, it is a
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D5.02 AXLE SHAFT Tightening Torques
Page 195 and 196: • Remove the screws and the shim
Page 197 and 198: • Re-assemble the components remo
Page 199 and 200: D6.02 GENERAL FEATURES The electron
Page 201 and 202: D6.03 TRANSMISSION CONTROL UNIT (TC
Page 203 and 204: D6.04 OPERATION The system is compo
Page 205 and 206: speed depending on how the accelera
Page 207 and 208: Key "Time history gear shifting " t
Page 209 and 210: Keys to Fig. 2 1 - Oil tank 2 - Pum
Page 211 and 212: • The Power Unit (A), fixed to th
Page 213 and 214: D6.06 POWER UNIT The Power Unit is
Page 215 and 216: • To replace the Power Unit: disc
Page 217 and 218: •Fasten the unit onto the chassis
Page 219 and 220: Disassembly CAUTION The hydraulic s
Page 221 and 222: • Unscrew the nuts (9) and remove
Page 223 and 224: The gear release device is obtained
Page 225 and 226: 0÷5 V. NOTES We suggest you replac
Page 227 and 228: In order to allow the sensor to det
Page 229 and 230: • Detach the sensor's connection
Page 231 and 232: Hydraulic Circuit Pressure Sensor (
Page 233 and 234: The switch is placed on the door pi
Page 235 and 236: The two push-buttons (A) and (B) ar
Page 237 and 238: A set of warning lights indicates t
Page 239 and 240: The clutch control is based on the
Page 241 and 242: • With the engine running and the
Page 243 and 244: start-up the engine. In the diagnos
Page 245: NOTES To reassemble, follow the ope
Page 249 and 250: Components involved • Hydraulic p
Page 251 and 252: This value must never exceed the cl
Page 253 and 254: D6.13 CENTRING THE GEAR SHIFTING-SE
Page 255 and 256: This measurement is necessary to wo
Page 257: • Close the "Actuator centring "
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360 Modena gear box manual - All Ferraris

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