timing chain diagram on 1995 Mercedes C220
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Filed Under (Mercedes-Benz) by admin on 10-08-2010
Preparation Cylinder head (valve) covers removed.See: Valve Cover\Service and Repair Viscous fan clutch removed, refer to cooling System. Spark plugs removed. Overview Set piston of cylinder 1 to 45°before ignition TDC. Fix right cylinder head inlet, exhaust camshafts with pins, special tool 111 589 01 15 00 (01), Fig. A. Remove chain tensioner. See: Timing Chain Tensioner\Service and Repair. Remove right guide rail (2) at top, install (Fig. A). See: Timing Chain Guide\Service and Repair Lock timing chain to camshaft sprockets with wedges, special tool 110 589 03 59 00 (04) and (05), at right cylinder head (Fig. B). Cover chain housing cover with clean shop towels to prevent debris from falling into engine. Grind chain pin of timing chain (4) between inlet and exhaust camshaft sprockets open (Fig. C), Pry plate (8) of timing chain (4) off with a screwdriver (Fig. D). Push out ground-open double link. Connect new timing chain (5) to old timing chain (4) with riveted link (6) and middle plate (7) (thickness 1.6 mm) and ground open outer plate (8). Remove pins (01). Remove wedge (5) at inlet camshaft Hold timing chain meshed at inlet and exhaust camshaft sprockets by hand when performing this step. Slacken wedge (04) at exhaust camshaft sprocket slightly. Rotate crankshaft in direction of rotation of engine with wrench socket (10); hold timing chain (4) or (5) meshed at inlet and exhaust camshaft sprockets when performing this step. CAUTION: Ensure that timing chain (4) or (5) does not jump off when turned.
Filed Under (Pontiac) by admin on 25-08-2010
Note: GM does not provide timing chain timing marks, or information to perform timing chain service without the special tools shown in this procedure. Tools Required: – - J 36800 Camshaft Sprocket Timing Alignment Pin J 39579 Camshaft Sprocket Wrench Important: ^ ^ Before remove the timing chain, read the entire procedure. The timing chain on the engine is not to be replaced with the timing chain from any other model year. The timing sprockets are different on the engine and the shape of the links matches the sprockets. Engine damage may result if the wrong timing chain is used. The timing chain and the crankshaft sprocket must be marked in order to insure reassembly with the same side facing out at the time of reassembly. ^ Caution: Refer to Battery Disconnect Caution in Service Precautions. 1. Disconnect the negative battery cable. 2. Remove the engine front cover. Refer to Engine Front Cover Replacement. 3. Rotate the crankshaft clockwise (as viewed from the front of the engine, normal rotation) until the camshaft sprocket timing dowel pin holes line up with the holes in the timing chain housing. 4. The crankshaft sprocket keyway should point upwards and line up with the centerline of the cylinder bores. This is the Timed position. 5. Remove the timing chain guides. 6. Raise and support the vehicle. Refer to Vehicle Lifting. 7. Ensure that all of the slack in the timing chain is above the tensioner assembly. 8. Remove the timing chain tensioner. 9. The timing chain must be disengaged from any wear grooves in the tensioner shoe in order to remove the shoe. Slide a screwdriver blade under the timing chain while pulling the shoe outward. Notice: Do NOT attempt to pry the sprocket off the camshaft or damage to the sprocket or chain housing could occur. 10. If difficulty is encountered in removing the timing chain tensioner shoe, use the following procedure in order to remove the intake camshaft sprocket: 10.1. 10.2. 10.3. 10.4. Lower the vehicle. Hold the intake camshaft sprocket with the J 39579 and remove the sprocket bolt and washer. Remove the washer from the bolt and rethread the bolt back into the camshaft by hand (the bolt provides a surface to push against). Remove the intake camshaft sprocket. Use a three-jaw puller in the three relief holes in the sprocket.
Filed Under (Dodge) by admin on 26-08-2010
4. Align crankshaft sprocket timing mark to the mark on oil pump housing (Fig. 122). NOTE: Lubricate timing chain and guides with engine oil before installation. 5. Place left side primary chain sprocket onto the chain so that the timing mark is located in-between the two (plated) timing links (Fig. 122). 6. Lower the primary chain with left side sprocket through the left cylinder head opening. NOTE: The camshaft sprockets can be allowed to float on the camshaft hub during installation 1 – CAMSHAFT TIMING MARKS 2 ? CHAIN GUIDE 3 – CRANKSHAFT TIMING MARKS 4 – CRANKSHAFT SPROCKET 5 – CHAIN TENSKJNER ARM 6 – CHAIN TENSIONER 7 – CAMSHAFT TIMING MARK 8 – INTAKE CAMSHAFT SPROCKETS 9 – CHAIN GUIDES 10 – WATER PUMP SPROCKET 7. Loosely position left side camshaft sprocket over camshaft hub. 8. Align timing (plated) link tq the crankshaft sprocket timing mark (Fig. 122). 9. Position primary chain onto water pump drive sprocket. 10. Align right camshaft sprocket timing mark to the timing (plated) link on the timing chain (Fig. 122) and loosely position over camshaft hub. 11. Verify that all chain timing (plated) links are properly aligned to the timing marks on all sprockets (Fig. 122). 12. Install left side lower chain guide and tensioner arm (Fig. 120). Tighten attaching bolts to 28 Nm (250 in. lbs.). NOTE: Inspect oil ring on chain guide access plug before installing. Replace O-ring as necessary. 13. Install chain guide access plug to left side cylinder head (Fig. 120). Tighten plug to 20 Nm (15 ft lbs.)
Filed Under (Mercedes-Benz) by admin on 14-05-2010
Timing Chain Replacement and Riveting Proceeding work Spark plugs removed. Refer to Powertrain Management – Ignition System – Spark Plug – Service and Repair – Procedures Replacing and riveting timing chain NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.1. Remove chain tensioner. Refer to Timing Components – Timing Chain Tensioner -
Service and Repair – Procedures – Removing and Installing Chain Tensioner
See: Timing Chain Tensioner\Service and Repair
Filed Under (Ford) by admin on 03-04-2011
1. CAUTION: At no time, when the timing chain(s) are removed and the cylinder heads (6049) are installed, may the crankshaft (6303) and camshafts (6250) be rotated. Failure to follow these directions will result in valve and/or piston damage. NOTE: Because this is not a free-wheeling engine, if it has jumped time, there will be damage to the valves and pistons (6108) and will require the removal of the cylinder heads . The camshaft sprockets (6256) should only be disassembled from the camshafts when one of the components is to be replaced. Remove valve covers (6582) , oil pan (6675) and engine front cover (6019) as described. 2. Remove crankshaft position sensor pulse wheel. 3. Rotate engine to No. 1 top dead center (TDC). 4. NOTE: Cam Positioning Tool Adapters 303-413 (T92P-6256-A) and Cam Positioning Tool 303-380 (T91P-6256-A) MUST be installed on camshaft to prevent camshaft from rotating. Install Cam Positioning Tool Adapters 303-413 (T92P-6256-A) and Cam Positioning Tool 303-380 (T91P-6256-A) on flats of camshafts . 5. Remove two bolts retaining RH timing chain tensioner (6L266) to cylinder head and remove timing chain tensioner . 6. Remove RH timing chain tensioner arm (6L253) . 7. Remove two bolts retaining RH timing chain guide (6K297) to cylinder head and remove timing chain guide . 8. Remove RH timing chain from camshaft sprocket and crankshaft sprockets (6306) . 9. NOTE: Cam Positioning Tool Adapters 303-413 (T92P-6256-A) and Cam Positioning Tool 303-380 (T91P-6256-A) MUST be installed on camshaft to prevent camshaft from rotating. Remove two bolts retaining LH timing chain tensioner to cylinder head and remove timing chain tensioner . 10. Remove LH timing chain tensioner arm . 11. Remove two bolts retaining LH timing chain guide to cylinder head and remove timing chain guide . 12. Remove LH timing chain from camshaft sprocket and crankshaft sprocket . 13. If necessary, remove camshaft sprockets and crankshaft sprockets as described. 14. CAUTION: Do not rotate crankshaft and/or camshafts . Engine damage may occur. Inspect the plastic running face on timing chain tensioner arms and timing chain guides . If worn or damaged, remove and clean oil pan and oil pump screen cover and tube (6622) . Installation