Lexus-Toyota 1UZFE Torque Specifications

LEXUS 1UZFE MODS FORUMS - Post Questions Here For Quick Answers!

Torque Spec (SC400)

Part tightened N.m kgf.cm ft.lbf
No.1 idler pulley X Cylinder block 34 350 25
No.2 idler pulley X Cylinder block 34 350 25
Hydraulic pump X Cylinder block 12 mm head 16 160 12
14 mm head 30 310 22
Crankshaft pulley X Crankshaft 245 2,500 181
Camshaft timing pulley X Camshaft 108 1,100 80
Timing belt tensioner X Oil pump 26 270 20
Spark plug X Cylinder head 18 180 13
Drive belt tensioner X Cylinder block 16 160 12
Alternator X Alternator bracket 37 380 27
Alternator X Cylinder block 37 380 27
Distributor housing X Cylinder head 18 185 13
Distributor rotor X Distributor housing 3.8 39 34 in.lbf
Distributor cap X Camshaft timing pulley 3.8 39 34 in.lbf
RH No.2 timing belt cover X Cylinder block (for 12 mm head) 16 160 12
Drive belt idler pulley X Hydraulic pump 37 380 27
A/C compressor X Hydraulic pump 49 500 36
A/C compressor X Cylinder block 49 500 36
A/C compressor stay X Oil filter bracket 29 300 22
Exhaust manifold X Cylinder head 39 400 29
Main oxygen sensor X Exhaust manifold 44 450 33
Cylinder head X Cylinder block 1st 39 400 29
2nd Turn 90°
Camshaft bearing cap X Cylinder head 16 160 12
Cylinder head cover X Cylinder head 5.9 60 52 in.lbf
Engine hanger X Cylinder head 37 380 27
EGR pipe X Exhaust manifold 18 185 13
Rear water by–pass joint X Cylinder head 18 185 13
Front water by–pass joint X Cylinder head 18 185 13
Intake manifold X Cylinder head 18 185 13
Delivery pipe X Intake manifold 18 185 13
Fuel return pipe X RH delivery pipe(for union bolt) 35 360 26
Fuel inlet hose X LH delivery pipe 39 400 29
for SST 33 340 24
Cold start injector X Air intake chamber 7.8 80 69 in.lbf
Air intake chamber X Intake manifold 18 185 13
EGR pipe X Air intake chamber 18 185 13
EGR pipe X RH cylinder head 18 185 13
Cold start injector tube X RH delivery pipe 15 150 11
Brake booster union X Air intake chamber 29 300 22
Throttle body X Air intake chamber 18 185 13
ISC valve X Air intake chamber 18 185 13
EGR valve adapter X Air intake chamber 18 185 13
EGR valve X EGR valve adapter 18 185 13
Timing belt rear plate X Cylinder head 7.8 80 69 in.lbf
Water inlet housing X Water pump 18 185 13
Catalytic converter (main) X Exhaust manifold 62 630 46
Catalytic converter (main) X Front exhaust pipe 43 440 32
Front exhaust pipe support bracket X Transmission 43 440 32
PS pump X RH cylinder head Bolt 39 400 29
Nut 43 440 32
Main bearing cap X Cylinder block Nut 1st 27 275 20
2nd Turn 90°
Bolt 49 500 36
Connecting rod cap X Connecting rod 1st 25 250 18
2nd Turn 90°
Rear oil seal retainer X Cylinder block 7.8 80 69 in.lbf
Water seal plate X Cylinder block 14 145 10
Alternator bracket X Cylinder block 18 185 13
Oil pump X Cylinder block 12 mm head 16 160 12
14 mm head 30 310 22
Water pump X Cylinder block 18 185 13
Water by–pass pipe X Cylinder block 18 185 13
Knock sensor X Cylinder block 44 450 33
Starter X Cylinder block 39 400 29
Engine mounting bracket X Cylinder block 37 380 27
Drive plate X Crankshaft 98 1,000 72
A/T oil cooler pipe X Transmission 34 350 25
Rear engine mounting member X Body 25 260 19
Rear engine mounting member X Engine mounting insulator 13 135 10
Front engine mounting insulator X Suspension cross member 59 600 43
Center floor brace X Body 13 130 9
Tailpipe X Center exhaust pipe 43 440 32
Front exhaust pipe X Center exhaust pipe 43 440 32
Sub–oxygen sensor X Front exhaust pipe 44 450 33

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This is a freelance site with no support by huge companies.  I have been doing most of the R&D and technical write-ups by myself with my personal money and literally thousands of hours of my time.  I have taken extra steps to demonstrate in details how things are done.  Currently I am one of the few people doing Lexus V8 research and performance enhancement.  This effort comes from my personal love for this wonderful engine.  Most of the modifications are from trial and error. There's no cookbook for 1UZFE mods and its unknown territory for much of supercharger performance.  The parts, labor, web development and site hosting are 100% paid from my personal hobby money.  If you feel my efforts help you in any form, please do not hesitate to donate any amount of money to support this site. You have no idea how much I and the entire Lexus and Toyota community appreciate it!

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