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how to replace idler pulley belt tensioner on 97 chrysler town country 3 8

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REPAIR PROCEDURE This repair is compatible with DaimlerChrysler’s Mobile Service Program and does not require hoists or other full service facility special equipment. 1. Remove the serpentine belt from around the idler pulley by rotating the tensioner clockwise ( Fig. 3 ). 2. Remove the purge duty cycle solenoid and wiring harness from the right side engine mount. 3. Remove the two right side engine mount insulator vertical fasteners and loosen the horizontal fastener. DO NOT remove the large nut in the center of the core of the insulator ( Fig. 4 ). 4. Remove the load on the engine mount by carefully supporting the engine with a floor jack. 5. Remove the vertical and horizontal fasteners from the engine side bracket. Remove the engine mount assembly. 6. Remove the idler pulley from the engine mounting bracket. ( Fig. 3 ). 7. Remove the engine mounting bracket. 8. Install a new engine mounting bracket. Torque the fasteners to 40-68 N.m (30-50 ft-lbs.). 9. Install the idler pulley to the engine mounting bracket. Torque the fastener to 40-68 N.m (30-50 ft-lbs.). 10. Properly route and position a serpentine belt onto all pulleys except the idler pulley (Use a new belt if there is any evidence of damage to the original one). 11. Rotate the belt tensioner clockwise until the belt can be installed onto the idler pulley. Slowly release the belt tensioner. 12. Install the engine mount; torque the assembly in the following order, engine mount to rail fasteners 68 N.m (50 ft-lbs.), vertical fastener 102 N.m (75 ft-lbs.), and horizontal fastener 150 N.m (111 ft-lbs.). 13. Install the purge duty cycle solenoid to the engine mount. 14. Start the vehicle and let it run for one minute then turn the engine off. 15. Verify the serpentine belt is properly aligned ( Fig. 1 ) 16. If the serpentine belt has moved toward the outboard edge of the idler pulley, further diagnosis will be required. WARRANTY INFORMATION POLICY: Reimbursable within the provisions of the warranty. LABOR OPERATION NO: 07-20-20-96 TIME ALLOWANCE: 0.7 Hrs. FAILURE CODE: P8 – New Par

2003 Kia Optima L4-2.4L Timing Belt Service and Repair Manual

3.Turn the crankshaft clockwise and align the timing marks so as to bring the No.1 cylinder to compression top-dead-center position. At this time the timing marks of the camshaft sprocket and the upper surface of the rocker cover should coincide, and the dowel pin of the camshaft sprocket should be at the upper side. Remove the auto tensioner. CAUTION: Rotate the crankshaft clockwise. 4.Remove the timing belt. NOTE: If the timing belt is reused, make an arrow mark indicating the turning direction (or the front of the engine) to make sure that the belt is reinstalled in the same direction as before 6.When the oil pump sprocket nut is removed, first remove the plug at left side of the cylinder block and insert a screwdriver to check the left counter balance shaft in position. Screwdriver used for this purpose should have a shaft 8 mm (0.3 inch) in diameter which can be inserted more than 60 mm (2.36 inch) 7.Remove the oil pump sprocket retaining nut and remove the oil pump sprocket. 8.Loosen the right counter balance shaft sprocket mounting bolt until it can be loosened by hand. 9.Next, remove tensioner “B” and remove timing belt “B”. CAUTION: After timing belt “B” has been removed, do not attempt to loosen bolt while holding sprocket with pliers, etc. 10.Remove the crankshaft sprocket “B” from crankshaft. INSPECTION Sprockets, Tensioner Pulley, and Idler Pulley 1.Check the camshaft sprocket, crankshaft sprocket, tensioner pulley, and idler pulley for abnormal wear, cracks, or damage. Replace as necessary. 2.Inspect the tensioner pulley and the idler pulley for easy and smooth pulley rotation and check for play or noise. Replace as necessary. 3.Replace if there is grease leak

1991 Subaru Loyale Sedan (4 Door) Camshaft And Timing Belt Repair Manual

Tightening torque: REMOVAL 1. Loosen water pump pulley mounting nuts or bolts. 2. Loosen two alternator mounting bolts, and detach V-belt. [Except air conditioner equipped model] 3. Remove water pump pulley and pulley cover. 4. Disconnect lead from oil pressure switch. 5. Remove oil level gauge guide together with gauge. 6. Remove crankshaft pulley. To lock crankshaft, use FLYWHEEL STOPPER [manual transmission model] or DRIVE PLATE STOPPER [automatic transmission model]. 7. Remove belt cover plate. [TURBO model] 8. Remove belt covers LH, RH and FR. 9. Removing timing belt Zoom Sized for Print (a) Loosen tensioner mounting bolts on # 1 cylinder by 1/2 turn. (b) With tensioner fully turned to slacken belt, tighten mounting bolts. (c) Mark rotating direction of timing belt, then remove belt. (d) Loosen tensioner No. 2 mounting bolts on # 2 cylinder by 1/2 turn. (e) With tensioner fully rotated to slacken belt by using TENSIONER WRENCH, tighten tensioner mounting bolts. NOTE: Cover TENSIONER WRENCH clamping tips with a rubber hose or waste cloth to prevent crankshaft or pulley from being damaged 10. Remove tensioner and tensioner No. 2 together with tensioner spring. 11. Remove belt idler. 12. Remove camshaft sprockets by using CAMSHAFT SPROCKET WRENCH. 13. Remove right-hand belt cover No. 2, left-hand belt cover No. 2 and belt cover RR. TIMING BELT 1. Check timing belt teeth for breaks, cracks, and wear. If any fault is found, replace belt. 2. Check the condition of back side of belt; if any crack is found, replace belt. A. Be careful not to let oil, grease or coolant contact the belt. Remove quickly and thoroughly if this happens. Zoom Sized for Print


REMOVAL & INSTALLATION TIMING BELT Removal 1. Disconnect negative battery cable. Remove engine cover. Using 16-mm spanner wrench, rotate serpentine belt tension arm clockwise about 14 degrees to relieve belt tension. Remove serpentine drive belt. Remove power steering pump pulley, idler pulley, tensioner pulley and crankshaft pulley. Remove upper and lower timing belt covers. See Fig. 1 or Fig. 2 . 2. Ensure timing marks of camshaft sprocket and cylinder head cover are matching. See Fig. 5 . On Sedona, support engine with jack and remove engine mounting insulator. On all models, remove auto tensioner. See Fig. 3 . 3. Unbolt timing belt tensioner pulley, and remove timing belt. CAUTION: This application is an interference engine. Do not rotate camshaft or crankshaft when timing belt is removed, or engine damage may occur. NOTE: Rotate crankshaft clockwise and align timing mark to set No. 1 cylinder to TDC on compression stroke. NOTE: If timing belt is to be reused, mark rotational direction on belt for reinstallation reference. CAUTION: If either camshaft is set at TDC for cylinder No. 1 at the compression stroke and the corresponding camshaft on the same cylinder head is rotated 180 degrees while the timing belt is removed, intake and exhaust valves may contact each other Inspection Inspect timing belt for wear on edges of drive teeth. Inspect the belt for signs of oil contamination, cracks, separation, worn or missing teeth, or hardened Black surface. Replace belt if worn, damaged or contaminated. Inspect belt tensioner pulley for smooth rotation. Replace if defective. Check timing belt auto tensioner for leaks. Replace if necessary. Installation 1. Install timing belt idler pulley to engine support lower bracket. Install tensioner arm, shaft and washer to cylinder block. Tighten tensioner arm bolt to specification. See TORQUE SPECIFICATIONS . 2. Install crankshaft sprocket and align timing mark. See Fig. 4 . Install camshaft sprocket and adjust installation positions as shown. See Fig. 5 and Fig. 6 . Install auto tensioner to oil pump case. Ensure that

2000 Cadillac Catera Timing Belt Service and Repair Manual

Timing Belt Replacement TIMING BELT REPLACEMENT Removal Procedure ^ Tools Required -J 42069 Timing Belt Alignment Kit -J 42098 Crank Hub Torx Socket Notice: Failure to follow the described timing belt inspection and maintenance may result in a broken timing belt and cause severe engine damage. 1.Inspect the cold start counter (also called a heavy duty register) with a scan tool. If there are any cold starts (below -28° C or -20° F) visually inspect the timing belt for cracks. It cracks are noted, do not reuse the belt. Replace the belt and clear the cold start counter. If the belt is okay, and is reused, do not clear the cold start counter. 2.Remove the intake air resonator. Refer to Intake Air Resonator Replacement in Powertrain Management. 3.Remove the intake plenum. Refer to Intake Plenum Replacement. 4.Remove the timing belt cover. Refer to Timing Belt Cover Replacement. 5.Remove the crankshaft balancer bolts. 6.Remove the crankshaft balancer from the crankshaft sprocket. 7.Rotate the crankshaft clockwise to 60 degrees Before Top Dead Center (BTDC) 8.Install the J 42069-10 to the crankshaft sprocket with the knurled bolt. 9.Use the J 42098 to carefully turn the crankshaft in the engine rotational direction (clockwise) until the lever of the J 42069-10 firmly contacts the water pump pulley flange. 10.Secure the moveable lever of the tool to the water pump pulley flange. Important: Ensure that the crankshaft is not 180 degrees off TDC. The reference marks on the camshaft gears should be aligned with the corresponding notches on the rear timing belt cover at this point. If they are not aligned, the engine is 180 degrees off. 11.Install the J 42069-1 and the J 42069-2 to the camshaft gears. If the J 42069-1 or the J 42069-2 do not fit into the teeth of the camshaft gears, it may be necessary to loosen the relevant timing belt idler pulley and turn the cam until the J 42069-1 or the J 42069-2 can be inserted. Notice: After timing belt is removed, never turn camshaft and crankshaft independently. If turned, interference may occur among pistons and valves, and parts related to pistons and valves may be damaged. 12.Loosen the timing belt tensioner and idler pulleys. Important: Do not remove J 42069-1 and the J 42069-2 while the belt is removed. 13.Remove the timing belt. Installation and Initial Adjustment Procedure ^ Tools Required -J 42069 Timing Belt Alignment Kit -J 42098 Crank Hub Torx Socket