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5 4 timing chain replacement

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2004 Dodge Truck RAM 1500 Truck 2WD TIMING CHAIN AND SPROCKETS REMOVAL AND INSTALLATION MANUAL

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TIMING CHAIN AND SPROCKETS Precaution: Timing Chain Replacement CHAIN GUIDES AND TENSIONER ARMS: Replace these parts if grooving in plastic face is more than 1 mm (0.039 inch) deep. If plastic face is severely grooved or melted, the tensioner lube jet may be clogged. The tensioner should be replaced. REMOVAL 1. Disconnect negative cable from battery. 2. Drain cooling system . 3. Remove right and left cylinder head covers. 4. Remove radiator fan shroud. 5. Rotate engine until timing mark on crankshaft damper aligns with TDC mark on timing chain cover (Fig. 132) (# 1 cylinder exhaust stroke) and the camshaft sprocket “V8″ marks are at the 12 o’clock position (Fig. 133). 6. Remove power steering pump. 7. Remove access plugs (2) from left and right cylinder heads for access to chain guide fasteners (Fig. 134). 8. Remove the oil fill housing to gain access to the right side tensioner arm fastener. 9. Remove crankshaft damper and timing chain cover. 10. Collapse and pin primary chain tensioner (Fig. 135). CAUTION: Plate behind left secondary chain tensioner could fall into oil pan . Therefore, cover pan opening. 11. Remove secondary chain tensioners. 12. Remove camshaft position sensor from right cylinder head (Fig. 136). CAUTION: Care should be taken not to damage camshaft target wheel. Do not hold target wheel while loosening or tightening camshaft sprocket. Do not place the target wheel near a magnetic source of any kind. A damaged or magnetized target wheel could cause a vehicle no start condition. CAUTION: Do not forcefully rotate the camshafts or crankshaft independently of each other. Damaging intake valve to piston contact will occur. Ensure negative battery cable is disconnected to guard against accidental starter engagement. 13. Remove left and right camshaft sprocket bolts.

1999 Dodge Intrepid PRIMARY TIMING CHAIN And SPROCKETS REMOVAL AND INSTALLATION MANUAL

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Removal 1. Remove upper radiator crossmember. Disconnect fan assembly connector. Remove fan assembly. Remove drive belts. Using Crankshaft Pulley Holder (8191), hold crankshaft pulley and remove center bolt. Using a 3-jaw puller, remove crankshaft pulley. 2. Remove upper intake manifold. See INTAKE MANIFOLD . Remove electrical and vacuum harness retaining clips from valve cover studs. Remove ignition coils. Remove valve covers. Remove power steering pump and set aside. Remove drive belt tensioner pulley and bracket. Remove timing chain cover. 3. Align crankshaft sprocket timing mark to mark on oil pump housing. Mark on oil pump housing is 60 degrees ATDC of number one cylinder. See Fig. 10

1999 Volkswagen New Beetle GL timing belt replacement manual

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REMOVAL & INSTALLATION NOTE: For 2004, manufacturer does not provide a timing belt replacement interval. CAUTION: This application is an interference engine. Do not rotate camshaft or crankshaft when timing belt is removed, or engine damage may occur. NOTE: Engine code AEG is stamped into machined pad on front of cylinder block above crankcase breather, near cylinder head mating surface. See Fig. 1 . For all other 2.0L engines, engine code is stamped on transmission mating flange at the rear of the engine. See Fig. 2 . For all engines, code can also be found on the vehicle data plate and on a sticker on the timing belt cover. Fig. 2: Locating Engine Identification Code (AVH, AZG, BDC & BEV) Courtesy of VOLKSWAGEN UNITED STATES, INC. TIMING BELT Removal (AEG, AVH, AZG, BEV & BDC Engine Codes) 1. Remove right hand insulation tray from engine compartment. Remove engine cover. Rotate serpentine belt tensioner clockwise to relieve belt tension. Remove serpentine belt. See Fig. 3 . Lock in place using Mandrel (T10060) or a drift. Fig. 3: Releasing Serpentine Belt Tensioner Courtesy of VOLKSWAGEN UNITED STATES, INC. 2. Remove serpentine belt tensioner assembly. See Fig. 4 . Turn crankshaft to TDC position. See Fig. 5 . Align TDC marks visible in bellhousing access hole. See Fig. 6 . Remove upper timing belt cover. Ensure camshaft sprocket timing mark aligns with mark on rear cover. See Fig. 5 . 3. Support engine from above or below with floor jack to take engine weight off of mounts. Remove coolant reservoir and set aside. On Golf and Jetta, remove power steering reservoir (hoses attached), and set aside. On New Beetle, pull off EVAP hoses at EVAP canister and throttle valve housing. 4. On all models, remove engine mount from timing belt end of engine. See Fig. 7 . Remove crankshaft pulley from crankshaft sprocket. It is NOT necessary to remove center bolt (center bolt is torque-to-yield type that must be replaced if removed). 5. Remove timing belt covers. Remove engine support from front of engine. See Fig. 4

1997 Saturn SL2 FRONT COVER And TIMING CHAIN REMOVAL AND INSTALLATION MANUAL

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Removal 1. Disconnect negative battery cable. Raise and support vehicle. Drain engine oil. Remove right front wheel and splash shield. Put a block of wood between cradle and engine torque strut at bottom front end of engine. See Fig. 2 . 2. Remove mount from upper front end of engine, allowing engine to rest on wood block. Remove accessory drive belt and tensioner. Remove accessory belt idler. Remove cylinder head cover. 3. Replace silicone isolators on cylinder head cover screws if deteriorated. Remove power steering pump (leave hoses attached). Remove A/C compressor (leave hoses attached). Raise and support vehicle. Drain engine oil. Remove right front wheel and splash shield. 4. Remove support bracket between intake manifold and engine block. Remove front balancer/pulley using a 3-jaw puller. Disconnect exhaust pipe from exhaust manifold. Install Crankshaft Gear Retainer (SA9104E) onto end of crankshaft, with flat side toward crankshaft gear (sprocket). Crankshaft gear retainer holds crankshaft gear in place during removal of front cover. 5. Remove 4 bolts from front end of oil pan. Using RTV Cutter (SA9123E), cut RTV sealant between oil pan and front cover. Spray penetrating oil onto front cover dowel pins. Remove front cover bolts (one bolt is located above accessory drive belt pulley). Pry front cover from engine block. 6. To prevent pistons from hitting valves, turn crankshaft 90 degrees clockwise as viewed from front of engine until timing mark and keyway are aligned with split line of main bearing cap. Remove timing chain tensioner, guides and chain. While using a 7/8″ (21 mm) wrench to keep camshaft(s) from turning, remove camshaft sprocket bolt(s). Remove camshaft sprocket(s). Installation 1. To prevent pistons from hitting valves, ensure timing mark and keyway on crankshaft are aligned with split line of main bearing cap. Install camshaft sprocket(s) with the letters FRT (front) facing away from cylinder head. Use a 7/8″ (21 mm) wrench to keep camshaft(s) from turning. 2. Install and tighten camshaft sprocket bolt(s) to specification. Rotate camshaft(s) until a 3/16″ (4.8 mm) drill bit can be inserted through timing pin hole(s) and into cylinder head. See Fig. 5 or Fig. 6 . 3. Rotate crankshaft counterclockwise as viewed from front of engine until timing marks at crankshaft sprocket are aligned. Install timing chain, aligning Silver-plated chain links with timing mark(s) on camshaft sprocket(s) and bottom tooth (or teeth) of crankshaft sprocket. See Fig. 5 or Fig. 6 . 4. Install fixed chain guide. Slack part of chain should be on tensioner side of cylinder block. Chain should be tight against fixed chain guide. Install pivoting chain guide. Retract tensioner plunger, and pin ratchet

Toyota LandCruiser 4.2TD Timing belt replacement intervals

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Timing belt replacement intervals The information relating to timing belt replacement intervals is additional to the main purpose of this CD, but is included to provide guidance to garages and for customer advice. Where possible the recommended intervals have been compiled from vehicle manufacturers’ information. In a few instances no recommendation has been made by the manufacturer and the decision to replace the belt must be made from the evidence of a thorough examination of the condition of the existing belt. Apart from the visible condition of the belt, which is explained fully later in this section, there are several other factors which must be considered when checking a timing belt: Is the belt an original or a replacement. 1. When was the belt last replaced and was it at the correct mileage. 2. Is the service history of the vehicle known. 3. Has the vehicle been operated under arduous conditions which might warrant a shorter replacement interval. 4. Is the general condition of other components in the camshaft drive, such as the tensioner, pulleys, and other ancillary components driven by the timing belt, typically the water pump, sound enough to ensure that the life of the replacement belt will not be affected. 5. If the condition of the existing belt appears good, can you be satisfied that the belt will not fail before the next check or service is due. 6. If the belt does fail, have you considered the consequences. If the engine is an INTERFERENCE type then considerable expensive damage may well be the result. 7. The cost of replacing a belt as part of a routine service could be as little as 5 to 10% of the repair cost following a belt failure. Make sure your customer is aware of the consequences. 8. If in doubt about the condition of the belt – RENEW it. 9. Removal Removal Remove timing belt cover [1]. 1. Turn crankshaft clockwise until timing marks aligned [2]. 2. Ensure timing marks aligned: 1KZ-T/TE: [3]. 3. 4. Remove: Automatic tensioner unit [6]. Tensioner pulley bolt [7]. Tensioner pulley [8]. Timing belt. 5. Installation Installation Check tensioner pulley for smooth operation [8]. Replace if necessary. 1. Remove dust cover. Check tensioner body for leakage or damage [6]. Check pushrod protrusion is 9,0-9,8 mm [9]. 2. Check pushrod does not move when pushed against a firm surface. If pushrod moves: Replace automatic tensioner unit. 3. Slowly compress pushrod into tensioner body until holes aligned. Use press. 4. Retain pushrod with 1,5 mm Allen key through hole in tensioner body [10]. Fit dust cover. 5. Ensure timing marks aligned [2]. 6. Ensure timing marks aligned: 1KZ-T/TE: [3]. 1HD-FT/1HD-FTE: [4]. 7. Fit timing belt in anti-clockwise direction, starting at lower sprocket. Ensure belt is taut between sprockets. 8. Fit tensioner pulley [8]. Tighten bolt to 34 Nm [7]. 9. Push tensioner pulley against belt. Install automatic tensioner unit [6]. Tighten bolts evenly to 13 Nm [5]. 10. Remove Allen key from tensioner body to release pushrod. 11. Turn crankshaft two turns clockwise. Ensure timing marks aligned [2] & [3] or [4]. 12. If not: Repeat installation and tensioning procedures. 13. Install components in reverse order of removal. 14. Reset timing belt replacement warning lamp as follows: 15. -Runner/Landcruiser: Remove grommet in speedometer housing. Depress switch using a thin screwdriver [11]. 16. Colorado: Remove speedometer housing. Remove screw indicated and insert in alternative location [12]. 17. Amazon: Lamp illuminates at 90,000 miles. Return vehicle to dealer.