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Re: I need the cylinder head torque settings for 1997
1998 Hyundai Lantra "G4GM" engine 1795cc.there are two heads or blocks, one is called the M10, other is the M12, figure out which one you have cause the torque is different for stage one by 5nm...........
Dont get confused theres 2 different engines so 2 different torques for stage1---------
heres the full details: Stage 1 - m10 = 30nm / m12 = 35nm-------------------------- -------- Stage 2 - tighten by 60-65 degrees ------------ stage 3 - tighten by 60-65 degrees. no sequence is given in the data book for tightening so go off what you thinks right, it doesn't matter on this engine.
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1. Drain the coolant and disconnect the upper radiator hose. 2. Remove the breather hose (between the air cleaner and the head cover). 3. Remove the air-intake hose. 4. Remove the vacuum hose, fuel hose and coolant hose. 5. Remove the cables from the spark plugs. The cables should be removed by holding the boot portion. 6. Remove the ignition coil. 7. Remove the power steering oil pump and bracket. 8. Remove the intake manifold. 9. Remove the heat protector and exhaust manifold assembly. 10. Remove the coolant pump pulley and the crankshaft pulley. 11. Remove the timing belt cover. 12. Remove the timing belt tensioner pulley. 13. Remove the timing belt. 14. Remove the head cover.
15. Remove the cylinder head assembly. The cylinder head bolts should be removed by using Special Tool, Cylinder Head Bolt Wrench (09221-32001) or equivalent, in the sequence as shown in the illustration in two or three steps. 16. Remove the gasket pieces from the cylinder block top surface and cylinder head bottom surface. NOTE: Make sure that the gasket pieces do not fall in the engine.
1. Clean all gasket surfaces of the cylinder block and the cylinder head. 2. Install a new cylinder head gasket onto the cylinder head assembly. Apply sealant to the gasket and do not reuse the old cylinder head gasket.
3. Install the cylinder head bolts. Starting at top center, tighten all cylinder head bolts in sequence as shown in illustration, using the Cylinder Head Bolt Wrench (09221 - 32001) or equivalent. Repeat the procedure, re-tightening all cylinder head bolt to the specified torque. (torque spec is Cold Engine 105-115 Nm (76-83 ft lb) ) 4. Install the timing belt tensioner pulley. 5. Install the timing belt on the camshaft sprocket, making sure that the tension side is tightened by turning the camshaft sprocket in reverse, all timing marks are in alignment. 6. Adjust the timing according to "Timing Belt" 7. Install the rocker cover and tighten the bolts to the specified torque. Tightening torque: Rocker cover belt:
2.5-3.5 Nm (25-35 kg.cm, 2-3 ft. lbs.)
8. Install the timing belt cover. 9. Install the new intake manifold gasket and the intake manifold. Tighten the nuts and bolts to the specified torque. 10. Install the new exhaust manifold gasket and the exhaust manifold. Tighten the exhaust manifold attaching nuts to the specified torque. 11. Install the surge tank and tighten the nuts bolts to the specified torque. 12. Install the power steering oil pump and bracket. 13. Install the ignition coil. 14. Install the air intake hose. 15. Connect the vacuum hose, fuel hose and water hose. 16. Install breather hose.
Revised Bulletin This TSB supersedes the Cylinder Head Bolt Torque Specifications previously
described in TSB # 96-20-003, TSB # 96-20-003-1 and TSB # 97-20-004.
This bulletin provides torque specification corrections to the 1996 and 1997
Elantra Shop Manual, 1997 Elantra Service Data Book, 1997 Tiburon Shop Manual
and 1997 Tiburon Service Data Book.
Please record the corrections (listed) in the appropriate manuals and write
the TSB number on the bottom of the pages listed below for future reference.
CYLINDER HEAD BOLT: (M10) 30 Nm (300 kg.cm; 22 lb.ft) + (60°to 65°) +
(60°to 65°) (M12) 35 Nm (350 kg.cm; 26 lb.ft) + (60°to 65°) + (60°to 65°)
You have two bolt sizes the shorter or smaller of the two sizes is called M10 the torque is 22ft lbs +65 degrees +65 degrees again The larger of the two bolts is called a M12 the torque for these are 26ft lbs +65+65. There is a tightening order staring at the top center bolt and working in a circle They have to be torqued in three steps. If you dont under stand something about this repost and I can help you farther. If this is helpful please mark that it was I do this for free to help people DRIVE SAFE TIM
They use throw away bolts. One use only, so don't reuse your old ones. You will need new ones. The smaller bolts 1st torque setting 22Ft/Lbs and the larger 26ft/lbs, the 2nd torque setting 60 degrees both bolt sizes and the 60 degrees for the third.