I want to know the cylinder head bolts torque specification for a 1994 honda ascot with a 5 cylinders 2l, G20A engine. Thanks a lot.

Yes, I can help you with the cylinder head torque wrench setting for your Hyundai Atos 1.0cc. Here are the torque specifications:

First pass: Tighten all bolts to 18 lb-ft (25 Nm)
Second pass: Tighten all bolts to 45 lb-ft (61 Nm)
Third pass: Tighten all bolts to a final torque of 65 lb-ft (88 Nm)
It's important to tighten the bolts in the correct sequence. The sequence is as follows:

10 6 2 3 7
9 5 1 4 8

Note: The numbers above refer to the cylinder head bolts in the correct sequence. Always use a calibrated torque wrench to ensure that the bolts are tightened to the correct specification.

I hope this helps you with your cylinder head installation. If you have any further questions or concerns, feel free to ask.

Details here on Page 94

11. Following the tightening sequence shown in
Figure 15, torque the fasteners in 1/2 turn increments and in two stages to the specifications.
Torque the fasteners to 1/2 the given torque, then
torque them to their final specifications:
a. Cylinder head nuts (1-4, Figure 15): 50 N•m
(37 ft.-lb.).
b. Cylinder head cap nut (5, Figure 15): 35 N•m
(26 ft.-lb.).
c. Cylinder head bolts (6 and 7, Figure 15): 20
N•m (15 ft.-lb.).
12. If the cylinder has also been reinstalled, torque
the cylinder bolts (A and B, Figure 23) to 10 N•m
(89 in.-lb.). One of the bolts sits in a recess (B, Fig-
ure 23) in the cylinder block.
13. If removed, install the locating pin (B, Figure
21) into the camshaft

Engine Lower End Torque Specifications - V star 1100

https://www.manualslib.com > ... > Owner's manual
Yamaha V star 1100 Manual Online: Engine Lower End Torque Specifications. Item N•m Alternator cover bolts 10 Connecting rod nuts 48 Crankcase stud 10 mm 20 ...

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  Cylinder Head Removal - Yamaha V star 1100 Owner's Manual

  https://www.manualslib.com > ... > Owner's manual
  Yamaha V star 1100 Manual Online: Cylinder Head Removal. The procedures for removing the rear (Figure 3) and front (Figure 4) cylinder heads are nearly ...
  
  
  videos that might help
  
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Nissan Frontier, Xterra 1998-05

• MAIN BEARING TORQUE SEQUENCE

Torque Specifications

Fig.
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine Displacement Liters (cc) Engine ID/VIN Cylinder Head Bolts Main Bearing Bolts Rod Brearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Lug Nuts Intake Exhaust 1998 2.4 (2389) KA24DE
1A Step 1: 22 ft. lbs.
2B 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3
4C The cylinder heads and the lower intake manifold are installed together
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine Displacement Liters (cc) Engine ID/VIN Cylinder Head Bolts Main Bearing Bolts Rod Brearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Lug Nuts Intake Exhaust 1999 2.4 (2389) KA24DE 3.3 (3277) VG33E
1A Step 1: 22 ft. lbs.
2B 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3
4C The cylinder heads and the lower intake manifold are installed together
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine Displacement Liters (cc) Engine ID/VIN Cylinder Head Bolts Main Bearing Bolts Rod Brearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Lug Nuts Intake Exhaust 2000 2.4 (2389) KA24DE 3.3 (3277) VG33E
1A Step 1: 22 ft. lbs.
2B 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3
4C The cylinder heads and the lower intake manifold are installed together
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine Displacement Liters (cc) Engine ID/VIN Cylinder Head Bolts Main Bearing Bolts Rod Brearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Lug Nuts Intake Exhaust 2000 3.3 (3277) VG33E
1A The cylinder heads and the lower intake manifold are installed together
2B 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3C Step 1: Tighten the cylinder head bolts to 22 ft. lbs.
4D Step 1: Tighten the connecting rod bearing bolts to 10-12 ft. lbs.
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 1998 KA24DE
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 1999 KA24DE VG33E
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2000 KA24DE VG33E
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2001 KA24DE VG33E
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2002 KA24DE VG33E VG33ER
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2003 KA24DE VG33E VG33ER
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2004 KA24DE VG33E VG33ER
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
TORQUE SPECIFICATIONS
all readings in ft. lbs. Year Engine ID Engine Displacement Liters Cylinder Head Bolts Main Bearing Bolts Rod Bearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2005 QR25DE VQ40DE
1- Step 1: 22 ft. lbs.
2- 10-12 ft. lbs. plus 60-65 degrees or 28-33 ft. lbs.
3- The cylinder heads and the lower intake manifold are installed together
4- 10-12 ft. lbs. +60-65 degrees
5- Step 1: 72 ft. lbs.
6- Step 1: bolts 11-22 19 ft. lbs.
7- Step 1: 20 ft. lbs.
8- Step 1: 31 ft. lbs.
9- 83 inch lbs.
10- Stud bolt: 11 ft. lbs.
11- Step 1: 72 ft. lbs.
12- Bolts: 17-24 (M8) 16 ft. lbs.
13- Step 1: 33 ft. lbs.
14- Intake manifold collector:
15- Intake manifold:
Main Bearing Torque Sequence




Fig. Main bearing torque sequence-2.4L engine



Fig. Main bearing torque sequence-2.5L engine



Fig. Main bearing torque sequence-3.3L engine



Fig. Main bearing torque sequence-4.0L engine

Tighten the cylinder head bolts. Tighten the cylinder head bolts is sequence to 29 Nm (3.0 kgf-m, 22 ft. lbs.). Use a beam-type torque wrench. When using a preset type torque wrench, be sure to tighten slowly and do not overtighten. If a bolt makes any noise while you are torquing it, loosen the bolt and retighten it. Make sure the threads are clean, new heads bolts are best.

Hi thanks for your question' The electronic EGR valve and solenoid assembly is attached to the rear of the left cylinder head ,

1. Remove electrical connector (5) at top of EGR valve solenoid.
2. Remove tube mounting bolt (1) at intake manifold.

1. Remove two bolts (4) connecting EGR tube (1) to valve assembly.
2. Remove gasket located between EGR tube flange and EGR valve assembly.
3. Remove two EGR valve mounting bolts (5).
4. Separate valve assembly (3) from engine.
5. Remove and discard metal gasket located between cylinder head and valve assembly.

INSTALLATION

1. Clean area at rear of left cylinder head where it joins base of EGR valve.
2. Clean EGR tube where it joins EGR valve.
3. Position new gasket between EGR valve and cylinder head.
4. Position EGR valve to cylinder head. Install and tighten two bolts (5). Refer to Torque Specifications.
5. Position new gasket between EGR tube flange and EGR valve assembly.
6. Position EGR tube (1) to side of EGR valve and into intake manifold.
   1. Install EGR tube flange bolt (1) at intake manifold. Tighten bolt. Refer to Torque Specifications.
   2. Connect electrical connector (5) to top of EGR valve solenoid (2).Do a final tightening of two EGR tube bolts (4). Refer to Torque Specifications

Tighten the cylinder head bolts to their final torque specification in two steps. Use a crisscross sequence starting with the bolts at the middle of the head and working toward the outer bolts.

1. Step 1: Tighten each bolt to 22 ft. lbs. (30 Nm).
   
2. Step 2: Tighten each bolt to 61 ft. lbs. (85 Nm).

Fig. Cylinder head bolt loosening sequence - 1.6L (B16A2) engines (click image for zoom)

Hope helps.

Since you didn't say which engine you have, I've pulled torque specs for 3 different engines. Also, since I can't include a diagram showing the relative locations of the numbered head-bolt locations, it would be a good idea for you to purchase a vehicle specific repair guide that will show this info.

Take particular note about the TTY (Torque to Yield) bolts used on 2 of the 3 engines shown. It is said that new head bolts MUST BE USED when head is replaced or re-installed to obtain the proper torque.

B2500 4 Cylinder

Torque sequence: --------- ' 10 6 2 4 8 ' front ' ' ' 7 3 1 5 9 ' -----------Step 1: torque in sequence to 51 Ft/Lbs Step 2: torque again in sequence to 51 Ft/Lbs Step 3: final tighten all bolts an additional 90 to 100 degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.

B3000 3.0 6 Cylinder

Torque sequence ---------- ' 6 4 2 8 ' ' ' ' 5 1 3 7 ' ---------- Step 1: torque to 59 Ft/Lbs Step 2: loosen in sequence (1) full turn Step 3: torque to 41 Ft/Lbs Step 4: torque to 73 Ft/Lbs

B4000 4.0 6 Cylinder

Torque sequence --------- ' 5 1 3 7 ' ' ' ' 6 4 2 8 ' --------- Step 1: torque cylinder head bolts in sequence to 26 Ft/Lbs Step 2: torque cylinder head bolts to 56 Ft/Lbs Step 3: turn cylinder head bolts in sequence an additional 90-degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.

Good luck with this job!

Cylinder Head Assembly: Specifications
Torque & Tightening Sequence
Tighten cylinder head as follows:
Stage I .......................................................................................................................................................................................... 40 Nm (30 ft. lbs.)
Stage II ................................................................................................................................................................................................. 1/4 turn (90°)
Stage III ............................................................................................................................................................................................... 1/4 turn (90°)


_____________________________________________
Timing Component Alignment Marks: Locations
Caution: Incorrect removal or installation of the timing belt can result in damage to internal engine components.
- Turn crankshaft to cyl. 1 TDC (arrow) (Engine with manual transmission shown).
- Turn crankshaft to cyl. 1 TDC (arrow) (Engine with automatic transmission shown).
For complete Timing Belt Removal and Installation information: See: Timing Belt/Service and Repair

Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme (3.4L SFI DOHC): Foot pounds (Final torque) Note: Torque sequence --------- | 6 2 3 7 | | 5 1 4 8 | --------- Step 1: torque in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque. Foot pounds (Final torque) Note: Torque sequence --------- | 8 4 1 5 | | 7 3 2 6 | front --------- of engine | 6 2 3 7 | | 5 1 4 8 | Step 1: torque to 40 Ft/Lbs --------- Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.