1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 1 Timing Chain: Service and Repair *** THIS ARTICLE INCLUDES UPDATES MADE BY TSB 95027, DATED MARCH 22, 1995 *** CAUTION: After removing timing chain, do not turn crankshaft and camshaft separately, or valves will strike piston heads. EMOVAL 1. Disconnect battery terminal. 2. Drain coolant from radiator. 3. Remove radiator shroud and cooling fan. 4. Remove the following belts. - Power steering drive belt. - Compressor drive belt. - Alternator drive belt. 5. Remove all spark plugs. Timing Components 6. Set No.1 piston at T.D.C. on its compression stroke. 7. Remove the following parts. Setting TDC- Distributor
1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 2 External Parts Removal - Power steering pump, idler pulley and power steering pump brackets. - Compressor idler pulley. - Crankshaft pulley. Removing Crankshaft Pulley - Oil pump with pump drive spindle. - Rocker cover. 8. Remove oil pan. See: Engine Lubrication/Oil Pan/Service and Repair Removing Oil Pump 9. Remove front cover. Removing Front Cover
1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 3 10. Remove the following parts. - Chain tensioner. - Chain guides. - Timing chain and sprocket. - Oil thrower, oil pump drive gear and crankshaft sprocket. INSPECTION Timing Parts- Locations Timing Chain Component Inspection 1. Check for cracks and excessive wear at roller links. Replace If necessary. NSTALLATION After removing timing chain, do not rotate crankshaft and camshaft separately because valves will hit piston head.
1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 4 Front Of Crankshaft 1. Install crankshaft sprocket, oil pump drive gear and oil thrower. - Make sure that mating marks of crankshaft sprocket face engine front. 2. Install camshaft sprocket. 3. Confirm that No.1 piston is set at T.D.C. on its compression stroke. 4. Install timing chain. Fig. 3 Timing Mark Alignment. - Set timing chain by aligning its mating marks with those of crankshaft sprocket and camshaft sprocket. 5. Tighten camshaft sprocket bolt. Tightening Camshaft Sprocket Bolt
1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 5 6. Install chain guide and chain tensioner. CAUTION: SERVICE INFORMATION Timing Chain Tensioner If servicing the timing chain or replacing a long block, check to see if it has the steel-backed tension side guide. If not, please replace it with the countermeasure guide, including the two bolts listed. Due to the changes made to the guide, new style bolts are required. Refer to TSB 95027. 7. Apply liquid gasket to front cover. 8. Apply lithium grease to sealing lip of crankshaft oil seal. 9. Install front cover. - Be careful not to damage cylinder head gasket. Applying Sealant To Front Cover
1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 6 Front Cover Oil Seals - Do not forget oil seal. 10. Install rubber plug. See: Cylinder Head Assembly/Service and Repair/Removal 11. Install oil pan. See: Engine Lubrication/Oil Pan/Service and Repair 12. Install oil pump and distributor driving spindle with new gasket in front cover. Installing Oil Pump a. Assemble oil pump and driving spindle, aligning punchmark on driving spindle with oil hole. b. Make sure that driving spindle is set as shown in image. 13. Install distributor. Distributor Driving Spindle
1996 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) Copyright 2013, ALLDATA 10.52 Page 7 Setting TDC- Distributor 14. Make sure that No. 1 piston is set at T.D.C. and that distributor rotor is set at No.1 cylinder spark position.