Filed Under (Rover) by admin on 05-06-2011
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Symptoms of clutch drag, and/or notchy release operation, can occur within 500 miles of replacing the clutch, when the gearbox is replaced misaligned to the engine. This is due to the release bearing operating off-centre to the clutch cover diaphragm spring, causing excessive fretting between the two components. Premature wear to the fulcrum ring of the clutch cover, causing clutch drag, broken driven plate centre, and wear to the spigot bearing in the flywheel, can also result. A special dowel bolt, which is an interference fit, is fitted to the lower left hand position of the gearbox bell housing, (see diagram). This dowel bolt is frequently incorrectly replaced with a normal threaded bolt, for ease of fitment of the gearbox. Above the starter motor position is fitted a dowel pin, (see diagram). This is sometimes pushed forward when fitting the gearbox to the engine, and protrudes out of the front face of the engine adaptor plate, instead of being flush. In this position the dowel pin will not locate correctly with the gearbox bell housing. The dowels must be located before the remainder of the gearbox bell housing to engine adaptor plate bolts are fitted and tightened up. Should either or both dowels be missing, or not located correctly, misalignment of the gearbox will take place.
Filed Under (Rover) by admin on 05-06-2011
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The above application is prone to the timing belt teeth lifting off the belt in service due to operating the belt with insufficient tension. The following instructions have been produced to assist in the fitting of your new timing belt, giving simple hints and tips, which should help avoid problems caused by adopting an incorrect fitting / adjustment procedure. For instructions for the removal of the engine components required to gain access to the timing belt, please refer to the vehicle workshop manual. Note:- Incorrect tension of the timing belt, can lead to the teeth lifting from the belt, resulting in belt failure, and subsequent major engine damage. Special Tools Required: 1) Timing belt tension gauge, (accurately calibrated), Part No’s: either Rover KM4088 or Borroughs BT33-86F 2) Two 8mm Allen keys (for tensioner adjustment) 3) Short length of round steel bar (for flywheel timing location) Fitting Procedure: 1) Before the old timing belt is removed, the crankshaft should be rotated clockwise to align the timing mark on the crankshaft pulley with the edge of the metal bracket, which forms part of the lower timing belt cover (See I). To lock the crankshaft in this position, which is 90 degrees before top dead centre, insert a steel rod of the correct diameter into the hole on the gearbox / engine adaptor plate, positioned on the front facing lower edge of the cylinder block (See diagram B), and locate with the corresponding hole in the flywheel. The timing marks on the camshaft gears should now be aligned at the 3 o’clock position for the left hand gear, and the 9 o’clock position for the right hand gear (See II). Undo the timing belt tensioner Allen bolt and remove tensioner. The old timing belt can now be removed (See III). Check the condition of the geared teeth on the camshaft, crankshaft, and water pump drives. Check the tensioner, water pump, and idler bearings. Fit the new timing belt over the drive gears, ensuring the timing marks set at ‘I’and‘II’ have not moved. Refit the tensioner using the anti-slip washer ‘IV’ supplied with the new timing belt. The anti-slip washer should be fitted between the tensioner and the backplate, with the abrasive side facing towards the tensioner. Note: A new anti-slip washer must always be fitted. Non modified vehicles will not have the anti-slip washer fitted. Rotate the tensioner, using the Allen key drive to set the initial pre-load tension, sufficient to prevent the timing belt from slipping over the toothed drives, then tighten the Allen bolt to 45Nm.
Filed Under (Rover) by admin on 07-05-2011
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JATCO Gearbox – KV6 – NAS models Remove 1. 2. 3. 4. Position the vehicle on a twin-post lift. Tie bonnet back in upright position. Disconnect battery earth lead. Remove engine acoustic cover. 5. 6. 7. 8. Release HO2S multiplug from support bracket on LH camshaft cover, disconnect multiplug. Raise vehicle on lift. Remove rear beam. Remove RH catalytic converter. 9. Remove 2 nuts securing front pipe to manifold. 10. Release and disconnect post catalyst HO2S multiplug. 11. Release post catalyst HO2S harness from clips. 12. Remove bolt securing front pipe to bracket and remove front pipe. Discard gasket. 13. Remove 3 screws securing LH splash shield and remove shield. 14. Release HO2S lead from clip on cylinder block. Remove 4 nuts securing exhaust manifold to cylinder head, remove manifold and discard gasket. 15. Drain fluid from IRD. 16. Drain gearbox fluid. 17. FitLRT-54-026 to the RH drive shaft inboard joint. 18. Using a suitable lever, release drive shaft from IRD. 19. With assistance, pull hub outwards and release drive shaft from IRD. CAUTION: Care must be taken not to damage oil seal when removing drive shaft from IRD. CAUTION: To avoid damage to gaiter or joint, do not allow shaft to hang on joint. 20. Remove LRT-54-026 from RH drive shaft inboard joint. 21. Remove and discard drive shaft circlip. 22. Remove bolt securing lower engine steady to sump mounting bracket. 23. Remove lower engine steady noting that ‘TOP’ mark on engine steady faces uppermost. 24. Reference mark front propeller shaft for reassembly. 25. Remove 6 nuts and bolts securing propeller shaft to IRD drive flange. 26. Release propeller shaft from IRD drive flange and tie shaft aside. CAUTION: Care must be taken to support the Tripode joint when removed from the IRD unit. To avoid damage to gaiter or steel can, the joint should not be allowed to fully extend or be dropped. 27. Disconnect breather hose from IRD housing. 28. Position container to collect coolant spillage.
Filed Under (Rover) by admin on 25-10-2010
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1. Disconnect battery earth lead. 2. Remove ancillary drive belt. 3. Remove RH front road wheel. 4. Remove 3 bolts securing RH splash shield to body and remove shield. 5. Remove 3 bolts securing camshaft timing belt LH rear cover and remove cover. Align Front Timing Belt 6. Rotate crankshaft in a clockwise direction and align the engine “SAFE” position, notch on crankshaft pulley aligned to the “ARROW” on front mounting plate and the timing marks aligned on the rear camshaft gears as illustrated. 7. Remove bolt securing PAS pipe to engine front mounting plate.8. Remove 3 Torx screws securing PAS pump pulley and remove pulley. 9. Remove 3 bolts securing PAS pump to front mounting plate and tie pump aside. 10. Release alternator battery lead terminal cover, loosen terminal nut and disconnect lead from terminal. 11. Disconnect multiplug from alternator. 12. Remove lower bolt and upper nut and bolt securing alternator to front mounting plate. 13. Remove alternator. 14. Remove Torx screw securing idler pulley to front mounting plate and remove pulley. 15. Loosen bolt securing lower engine steady to front subframe. 16. Remove bolt securing lower engine steady to sump mounting, release lower engine steady from sump mounting. 17. Remove 3 bolts securing camshaft timing belt RH front cover and remove cover.
Filed Under (Rover) by admin on 24-10-2010
Tags: brake disc,
brake hose,
brake shoe,
diagnostic system,
land rover range,
land rover range rover,
land rover range rover sport,
lower arm,
parking brake cable,
range rover sport,
rear brake caliper,
rear wheels,
wheels and tires,
wiring harness
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1. Using the Land Rover approved diagnostic system, drive the parking brake to the ‘mounting position’. 2. Isolate the parking brake electrical circuit. Remove fuse number 8 from the BJB. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands. 3. Raise and support the vehicle. 4. Remove the rear wheels and tires. 5. Release the parking brake shoe adjustment. Remove the plug from the access hole in the brake disc. Using a suitable tool, rotate the brake shoe adjuster to release the adjustment. CAUTION: Do not allow the brake caliper to hang on the brake hose. 6. Reposition the RH rear brake caliper. Remove the 2 bolts. Using a suitable tie strap, support the brake caliper. 7. Remove the RH rear brake disc. Remove the screw. CAUTION: Do not allow the brake caliper to hang on the brake hose. 8. Reposition the LH rear brake caliper. Remove the 2 bolts. Using a suitable tie strap, support the brake caliper. 9. Remove the LH rear brake disc. Remove the screw. 10. Disconnect both parking brake cables from the wheel hubs. Fully loosen the nut. Release the cable from the lower arm. Disconnect the inner cable from the brake shoe 11. Release the LH parking brake cable. Remove the 2 bolts. Release the 3 wiring harness clips. Release the cable from the clip on the chassis.