Torque specs when replacing head gasket on KA24DE

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kingcoupa23
Posts: 2
Joined: Fri Dec 24, 2010 5:55 am
Car: -1972 Datsun 510 wagon, 1 owner 14k original miles!
-240 drift missiles

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Hey im new to this website but not to 240's... Im replacing a head gasket in a KA24DE and need the following torque specs:

-head bolts
-cam cap bolts
-cam gear bolts
-bigger timing gear(?) bolts
- any other bolts that need specific torque

any information is greatly appreciated

thank you,
Jayson


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RideNslidE
Posts: 230
Joined: Mon Feb 12, 2007 2:38 pm
Car: 1993 240 hatch the track and a 1993 240 vert DD
Location: san diego

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I didn't write this but it was helpful for me


CAM BOLT Removal/Installation
Removing the cams in order is essential (as well as other bolts) as to not warp the head. This really goes for all items securing them selves to the block or head.

Reverse this sequence to remove cam bolts:
12..8...4...2...6...10
O--O--O--O--O--O
O--O--O--O--O--O
11..7...3...1...5...9
<---Front

To tighten follow the above sequence in two steps.
1. 1.4 lbs/ft
2. 8.7 lbs/ft

HEAD BOLTS Removal/Installation
Reverse this sequence to remove head bolts:

9....3....1...6...8
O--O--O--O--O
O--O--O--O--O
7....5...2...4...10
<--- Front

To tighten follow the above sequence in Five Steps:
1. 22 lbs/ft
2. 59 lbs/ft
3. loose all bolts completely
4. 25 lbs/ft
5. 65 lbs/ft (80 lbs/ft for ARP studs #202-4206)

ROD BEARING Removal/Intsallation
Loosen in two steps.
Tighten in two steps:
1. 10 - 12 lbs/ft
2. 28 - 33 lbs/ft

MAIN BEARING Removal/Installation
Follow this sequence to remove the Cage/Main Bearings Caps.

1....5...9...7....3
O--O--O--O--O
O--O--O--O--O
2....6...10...8...4
<---Front

To tighten follow this sequence:

7....3...1....5...9
O--O--O--O--O
O--O--O--O--O
8....4...2...6...10
<---Front

Tighten in two to three steps up to 46 - 56 lbs/ft.

Other Torque Specs
Crank Pulley: 150 lbs/ft

Cam Gear: Intake: 167 - 177 lbs/ft
Exhaust: 66 - 82 lbs/ft

Timing Chian Guides: 17 - 19 lbs/ft

Upper Timing Gear: 66 - 82 lbs/ft

Chain Tensioner (all): 7 lbs/ft

Upper Front Cover: 17 - 19 lbs/ft
3 downward: 9 lbs/ft

Oil Pump: Upper 6: 17 - 19 lbs/ft
Lower 3: 7 lbs/ft

Flywheel: 110 lbs/ft

Happy building!

kingcoupa23
Posts: 2
Joined: Fri Dec 24, 2010 5:55 am
Car: -1972 Datsun 510 wagon, 1 owner 14k original miles!
-240 drift missiles

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thank you sir!

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OutToWinPAHC
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Car: 2015 Silverado, R33 GTST, R32 GTR, RB20 E46 RHD, 2015 Harley Vrod Muscle, 1990 Nissan Patrol
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