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2000 nissan altima timing chain marks

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1996 Nissan Altima GLE TIMING CHAIN REMOVAL AND INSTALLATION MANUAL

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Removal 1. Release fuel pressure. See FUEL PRESSURE RELEASE . Drain coolant from radiator and cylinder block. Drain engine oil. Disconnect all necessary coolant hoses, electrical connectors, vacuum hoses, fuel lines and control cables. 2. Remove front exhaust tube. Remove intake manifold collector supports, and intake manifold. Remove exhaust manifold with catalytic converter. Remove air injection valve pipe. Remove intake air duct. Remove radiator fan and shroud. Remove injectors and fuel rail as an assembly. Remove distributor cap and spark plugs. 3. Set cylinder No. 1 at TDC of compression stroke, ensuring marks on crankshaft pulley and front cover align, and distributor rotor points to spark plug wire No. 1 on cap. Remove cylinder head cover. Remove distributor. 4. Prevent camshafts from turning, and remove camshaft sprocket bolts. Remove camshaft sprocket. See Fig. 13 . Mark and remove camshaft bearing caps in reverse order of installation. See Fig. 16 . Remove camshafts. 5. Loosen cylinder head bolts in 2 or 3 steps, in reverse order of tightening sequence. See Fig. 11 . Remove camshaft sprocket cover. Remove outer (upper) chain tensioner and guide. Remove outer timing chain. Remove idler sprocket bolt. Remove cylinder head. 6. Remove oil pan and oil strainer. See OIL PAN. Remove accessory drive belts. Remove A/C compressor idler pulley (if equipped). Remove crankshaft pulley. Remove front cover. Remove chain tensioner, tensioner arm and chain guides. Remove inner (lower) timing chain and idler sprocket. Remove oil pump drive spacer and crankshaft sprocket. Inspection 1. Inspect chain roller links. Replace chain if roller links are cracked or worn. Inspect cylinder head and cylinder block mating surfaces for warpage. If warpage exceeds specification, machine cylinder head. See CYLINDER HEAD under ENGINE SPECIFICATIONS. 2. If machining reduces cylinder head height to less than specification, replace cylinder head. After machining, rotate camshaft by hand. Replace cylinder head if camshaft does not rotate freely.

1995 Nissan-Datsun 200SX Timing Chain/ Front Cover Revised Procedure

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Removal 1. Set # 1 piston at TDC on its compression stroke. 2. Remove the spark plug wires. 3. Remove the rocker cover (see Figure 1). 4. Remove the coolant reservoir tank with bracket and reposition it for clearance. 5. Support the engine with a suitable jack. 6. Remove cylinder head front mounting bracket. 7. Remove engine front mounting, then the engine front mounting bracket. 8. Remove cylinder head front cover 9. Remove the upper chain tensioner (see Figure 2). 10. Wipe off the links of the upper timing chain next to the timing marks on the sprockets. Put paint marks on the timing chain, matching them with the timing marks on the cam sprockets and idler sprocket (see Figure 3) 11. Remove the four (4) front cover to cylinder head bolts. 12. Remove side and lower engine compartment splash covers. 13. Remove the accessory drive belts. 14. Remove the crankshaft pulley. 15. Drain coolant by removing the cylinder block drain plug and opening the radiator drain cock (Refer to MA section of the Service Manual). 16. Drain engine oil. 17. Remove intake manifold support of engine front side. 18. Remove power steering pump, pump bracket and tension rod. Position pump aside for clearance. 19. Remove the thermostat housing (See Figure 4) 20. Remove the lower chain tensioner (see Figure 5). 21. Remove the front exhaust tube. Refer to the “FE” section (Exhaust System) of the Service Manual. 22. Remove the front and rear engine gussets (if equipped) on either side of the oil pan. NOTE: On A/T models, remove the rear plate cover. 23. Remove the oil pan (see Figure 6). a. Insert the Tool between the cylinder block and oil pan. CAUTION: Be careful not to damage the aluminum mating face. Do not insert a screwdriver, or the oil pan flange will become damaged. b. Slide the Tool by tapping it on the side of the Tool with a hammer. 24. Remove the A/C compressor and position it aside for clearance. 25. Remove the A/C and alternator bracket with the alternator. 26. Remove the oil pump drive spacer. CAUTION: Be careful not to scratch the drive spacer when removing it. 27. Remove the front cover bolts and front cover. CAUTION: One bolt is located on the water pump (see Figure 7). *1: Located on engine front mounting bracket. *2: Located on the water pump. *3: Located on the power steering oil pump adjusting bar. CAUTION: Be careful not to tear or damage the cylinder head gasket. 28. Remove the cylinder block to front cover alignment dowels. CAUTION: Do not hit the dowels or the cylinder block will crack. 29. Wipe off the links of the lower timing chain next to the timing marks on the sprockets. Put paint marks on the timing chain, matching them with the timing marks on the idler sprocket and crankshaft sprocket (see Figure 8). Installation 1. Install the crankshaft sprocket, making sure the mating marks face the front of the engine. 2. Install the idler sprocket and lower timing chain using the mating marks and the paint marks made during the removal process. CAUTION:

NISSAN BUZZING / WHINING NOISE FROM TIMING CHAIN AREA SERVICE PROCEDURE

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SERVICE PROCEDURE Write down all radio station presets. Presets 1 2 3 4 5 6 A B C 2. Disconnect both battery cables, negative cable first. 3/5 NTB07-042c 3. Remove the secondary timing chains. Refer to the Electronic Service Manual (ESM) if needed. NOTE: It is not necessary to remove the valve covers or intake collector. • Before removing the crankshaft pulley, set it to 0° Top Dead Center (TDC). • Use Tool J-50288 to secure the flywheel / flex plate when removing the crankshaft pulley and camshaft sprockets (no picture shown). NOTE : The camshaft sprockets’ bolts will be removed and installed while being held by all three (3) timing chains. • If the crankshaft is determined to be 360° off from 0° TDC on #1 cylinder compression stroke after removing the front timing chain case (front cover), put the crankshaft pulley back on, and then rotate the crankshaft 360° (when camshaft and crankshaft sprocket mating marks are aligned). ove the Secondary Timing Chain 4. Rem Tensioner Shoes (shoe) by evenly prying with a couple pocket screwdrivers or suitable tool where shown in Figure 1. NOTE: Leave the pins from Tool J-50246 in each tensioner until the timing chains are installed. Install the new shoes to the tensioners with Tool J-50246 (see Figure 2). 5. • fully seated. Tighten the bolt until the shoe is CAUTION: Tighten the bolt no more than necessary. 5. Install the new shoes to the tensioners with Tool J-50246 (see Figure 3). • Tighten the bolt until the shoe is fully seated. CAUTION: Tighten the bolt no more than necessary. Tool J-50246. 6. Install the new secondary timing chains. Refer to the ESM as needed. 7. Reassemble the rest of the engine and vehicle. Refer to the ESM as needed. • Make sure all three (3) pins are removed before installing the front cover. 8. Install the battery cables, negative cable last. 9. Reprogram the radio presets. 10. Reset / initialize all applied systems i.e., power windows, clock, sunroof, etc

2000 Dodge Intrepid Timing Chain Service and Repair Manual

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REMOVAL 1.Remove upper intake manifold. 2.Remove cylinder head covers, crankshaft damper, and timing chain cover. CAUTION: When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage. Fig. 70 3.Align crankshaft sprocket timing mark to mark on oil pump housing (Fig. 70). The mark on oil pump housing is 60° ATDC of #1 cylinder. CAUTION: When the timing chain is removed and the cylinder heads are still installed, DO NOT rotate the camshafts or crankshaft without first locating the proper crankshaft position. Failure to do so will result in valve and/or piston damage Fig. 74 4.Remove primary timing chain tensioner from right cylinder head (Fig. 74). 5.Remove camshaft position sensor from left cylinder head (Fig. 69). 6.Remove chain guide access plug from left cylinder head (Fig. 69). NOTE: When camshaft sprocket bolts are removed, the camshafts will rotate in a clockwise direction. 7.Starting with the right camshaft sprocket, remove the sprocket attaching bolts. Remove camshaft damper and sprocket (Fig. 69). 8.Remove left side camshaft sprocket attaching bolts and remove sprocket (Fig. 69). 9.Remove lower chain guide and tensioner arm (Fig. 69). 10.Remove the primary timing chain. INSTALLATION 1.Inspect all sprockets and chain guides. Replace if worn. Refer to Crankshaft Gear/Sprocket, for removal and installation procedures. 2.If removed, install right and left side short chain guides (Fig. 69). Tighten attaching bolts to 28 Nm (250 in. lbs.) 3.Align crankshaft sprocket timing mark to the mark on oil pump housing (Fig. 71). NOTE: Lubricate timing chain and guides with engine oil before installation. 4.Place left side primary chain sprocket onto the chain so that the timing mark is located in-between the two (plated) timing links (Fig. 71). 5.Lower the primary chain with left side sprocket through the left cylinder head opening

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.