Engine Bolt Torques- 2005 Chevy Impala/3400 Engine

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Question about 2005 Chevrolet Impala

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Engine Bolt Torques- 2005 Chevy Impala/3400 Engine

Need Torque Specs for, Head Bolts, Rocker arm bolts, and Intake bolts.
Thank You

28 more comments
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which of the rocker arms is shorter and longer
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I have checked and rechecked for hidden head bolt's put a lot of pressure trying to remove head from block it's stuck
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Chevy impala 3400 has a code P1811 coming up, could you please explain what the code definition is and what may be needing attention?
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Torque specs 2003 olds silhouette rocker arm 3.400

Here is a suggested updated torque spec for this engine's rocker arm bolts;
Rocker arms
Step one: Torque to 11 ft lbs then tighten an additional 90 degrees of bolt head rotation. Some guys don't fuss with the torque specs and just get them good and tight. Either way, be careful, as the heads are aluminum. You do not want to over tighten these bolts

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Ford Engine Bolt Torque Chart Bolt Torque Spec Chart for Ford Engines

These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use after-market performance bolts like ARP's, you should follow the recommended torque specifications.

260, 289, 302 Torque Spec.
Fastener Type Torque Spec Main cap bolts 60-70 ft-lbs Outer main cap bolts 35-40 ft-lbs. Connecting rod bolts (40-45 ft-lbs. for 289 HP & Boss 302) Cylinder head bolts 65-72 ft-lbs. Rocker arms 17-23 ft-lbs. Intake manifold bolts 23-25 ft-lbs Oil pump bolt 23-28 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 8-10 ft-lbs. Harmonic damper bolts 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 351W Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. Cylinder head bolts 90-100 ft-lbs. Rocker arms 17-23 ft-lbs. Intake manifold bolts 23-25 ft-lbs. Oil pump bolts 23-28 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 8-10 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 351C, 351M Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs. Connecting rod bolts 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) Cylinder head bolts 105 ft-lbs. (125 ft-lbs. For Boss 351C) Rocker arms (non-adjustable) Rocker arms (non-adjustable) 5/16in. intake manifold bolts 21-25 ft-lbs. 3/8in. intake manifold bolts 28-23 ft-lbs Oil pump bolt 25 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 9-12 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-18 ft-lbs. 360, 390, 406, 427, 428FE Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs. Crossbolts for 406-427 40 ft-lbs. Connecting rod bolts 40-45 ft-lbs. (53-58 ft-lbs. For 406 and 427) Cylinder head bolts 80-90 ft-lbs. (100-110 ft-lbs. For 1963-67 427) Rocker arm shaft bolts 40-45 ft-lbs. Intake manifold bolts 32-35 ft-lbs. Oil pump bolt 12-15 ft-lbs. Cam bolts 40-45 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 429-460 Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. Cylinder head bolts 140 ft-lbs. Rocker arms (non-adjustable) 18-22 ft-lbs. Intake manifold bolts 25-30 ft-lbs. Oil pump bolt 25 ft-lbs. Cam bolts 40-45 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-18 ft-lbs.

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Torque spec's for the fly wheel

Ford Engine Bolt Torque Chart Bolt Torque Spec Chart for Ford Engines

These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use after-market performance bolts like ARP's, you should follow the recommended torque specifications.

260, 289, 302 Torque Spec.
Fastener Type Torque Spec Main cap bolts 60-70 ft-lbs Outer main cap bolts 35-40 ft-lbs. Connecting rod bolts (40-45 ft-lbs. for 289 HP & Boss 302) Cylinder head bolts 65-72 ft-lbs. Rocker arms 17-23 ft-lbs. Intake manifold bolts 23-25 ft-lbs Oil pump bolt 23-28 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 8-10 ft-lbs. Harmonic damper bolts 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 351W Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. Cylinder head bolts 90-100 ft-lbs. Rocker arms 17-23 ft-lbs. Intake manifold bolts 23-25 ft-lbs. Oil pump bolts 23-28 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 8-10 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 351C, 351M Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs. Connecting rod bolts 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) Cylinder head bolts 105 ft-lbs. (125 ft-lbs. For Boss 351C) Rocker arms (non-adjustable) Rocker arms (non-adjustable) 5/16in. intake manifold bolts 21-25 ft-lbs. 3/8in. intake manifold bolts 28-23 ft-lbs Oil pump bolt 25 ft-lbs. Cam bolts 40-45 ft-lbs. Cam thrust plate bolts 9-12 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-18 ft-lbs. 360, 390, 406, 427, 428FE Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs. Crossbolts for 406-427 40 ft-lbs. Connecting rod bolts 40-45 ft-lbs. (53-58 ft-lbs. For 406 and 427) Cylinder head bolts 80-90 ft-lbs. (100-110 ft-lbs. For 1963-67 427) Rocker arm shaft bolts 40-45 ft-lbs. Intake manifold bolts 32-35 ft-lbs. Oil pump bolt 12-15 ft-lbs. Cam bolts 40-45 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs. 429-460 Torque Spec.
Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. Cylinder head bolts 140 ft-lbs. Rocker arms (non-adjustable) 18-22 ft-lbs. Intake manifold bolts 25-30 ft-lbs. Oil pump bolt 25 ft-lbs. Cam bolts 40-45 ft-lbs. Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-18 ft-lbs.

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1 Answer

Rocker arm pivot torque for olds cutlass 1987 307

Oldsmobile Torque Specs - GbodyOlds.com

www.gbodyolds.com/forum/showthread.php?754-Oldsmobile-Torque...
Feb 7, 2013 - 2 posts - ‎2 authors Oldsmobile Small-Block Engines Cylinder Head Bolts (1/2in. bolt) 130 ft. lbs. Cylinder Head ... Rocker Arm Pivot Bolt 25 ft. lbs. Rod Bearing ...

Rocker Arms - AutoZone

www.autozone.com/...Cutlass...1987.../Rocker-Arms/_/P-0900...

AutoZoneGM Cutlass RWD 1970-1987 Repair Guide ... To remove the rocker arms from the shaft, the nylon arm retainers must be removed. ... 7: Engine valve system, 260, 307, 350, 403 Oldsmobile built engines ... Unfasten the two bolts that attach the rocker arm pivot to the cylinder head. ... Torque the retaining bolts to 25 ft. lbs.

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Torque specs for rocker arms

The 12mm head bolts torque to 15 ftlbs.
the 10mm head bolts torque to 9 ftlbs.
crosshatch pattern for the sequence.

Jul 02, 2014 | 1992 Honda Accord

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I need torque specs and sequence head bolts, intake bolts, for a 1998 ford windstar 3.8 L MONTH OF MANUFACTURE IS 06-1997

Cylinder head bolts ( use new bolts )

step 1 = 15 ft lbs
step 2 = 30 ft lbs
step 3 = 37 ft lbs
step 4 = back off all bolts 2-3 turns
step 5 = long bolts 29-37 ft lbs
step 6 = long bolts an additional 175-185 degreees
step 7 = short bolts 15-22 ft lbs
step 8 = short bolts an additional 175-185 degrees

lower intake bolts

71-97 in. lbs

Upper intake bolts

71-106 in. lbs

rocker arm bolts

Tighten bolts to 43 in. lbs with the lifter on the base circle of camshaft once all rocker arms are tightened then re-tighten to 19-25 ft lbs

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2 Answers

What are the torque measurements for the rocker arms and intake manafold?

2.2L Engine & 2.4L Engines
These engines are not equipped with rocker arms. The camshafts directly actuate the valves.

3.1L Engine & 3.4L Engines
When install or connect the check the following:
- Pushrods and the rocker arms. Torque the bolts to 24 ft. lbs. (32 Nm). - Rocker arm cover using a new gasket. Torque the rocker cover bolts to 89 inch lbs. (10 Nm).
- Heater bypass pipe. Torque the screw at the water pump to 106 inch lbs. (12 Nm), the bolt at the cylinder head corner to 18 ft. lbs. (25 Nm) and the nut to 18 ft. lbs. (25 Nm).

About the INTAKE MANIFOLD...
- Intake manifold nuts and bolts and tighten to 89 inch lbs. (10 Nm)
- Pushrods and rocker arms. Torque the bolts to 89 inch lbs. (10 Nm) plus an additional 30 degree turn. - Lower intake manifold. Apply sealant to the threads of the bolts and torque the bolts to 115 inch lbs. (13 Nm).

Exploded view of the upper and lower intake-3.1L & 3.4L engines

Fig. Lower intake manifold tightening sequence-3.1L & 3.4L engines

Hope help.

May 04, 2010 | 2000 Pontiac Grand Am GT

1 Answer

Intake manifold bolts torque and rocker arm torque

Intake Manifold Coolant Pipe Bolt .... 89 in lbs (7.4166 ft. lbs)
Lower Intake Manifold Bolt .............. 115 in. lbs (9.5833 ft. lbs)
Upper Intake Manifold Bolt/Stud ...... 18 ft. lbs
Valve Rocker Arm Bolt ................... 168 in. lbs (14 ft. lbs +30 degress

Feb 06, 2010 | 1999 Buick Century

2 Answers

Need torque specs

I presume that you are connecting your Intake manifold to the cylinder head after replacing your intake gasket, if so they are 30ft lbs, and 360 in pounds. Hope that helps

Jan 31, 2009 | 2003 Chevrolet Venture Passanger

1 Answer

Intake and rocker arm torque specs. thanks

on 3.1 v6 it is--rocker arm bolts--- 89 in-lbs,intake manifold(lower)---step 1-62 in-lbs step 2 115 in-lbs. for year 1997 3.1,

Dec 26, 2008 | 1997 Chevrolet Malibu

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ITGuy181 · Answer 1 · 2008-12-02T01:02:12.1300000Z

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1 Answer

Head Bolts
Step one 37 ft lbs then tignten 120 degrees more

Rocker arms
Step one 11 ft lbs then tighten 90 degresss more

Upper intake
89 inch lbs
Lower intake
132 inch lbs

Posted on Dec 02, 2008

Anonymous · Answer 2 · 2008-10-23T04:49:18.8970000Z

Anonymous

This website can be helpful....
http://www.greatautohelp.com

Posted on Oct 23, 2008

Anonymous · Answer 3 · 2008-07-08T02:35:10.4870000Z

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1 Answer

Check online or ask your local dealership I am sure that they will help you.

Posted on Jul 08, 2008

taterhead 3e · Answer 4 · 2015-03-07T22:33:21.8530000Z

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182 Answers

Head bolts are supposed to be only used once is 65 ftp,,,i would suggest if you get them to 60ftp i would stop,,,it should be fine,,, start in center at 35ftp working your way around,,, and back and forth,,,after they are all at 35ftp,,then go to 60ftp the same way,,, see chevy headbolt tighting pattern for correct instalation,,,its more to it than just tighting them down,,, use a torque wrench

Posted on Mar 07, 2015

Answer 5 · 1/2/2017 12:00:00 AM

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Posted on Jan 02, 2017

Answer 6 · 1/2/2017 12:00:00 AM

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Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

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Posted on Jan 02, 2017

Engine Bolt Torques- 2005 Chevy Impala/3400 Engine

4 Answers

ITGuy181

Anonymous

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taterhead 3e

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I need torque specs and sequence head bolts, intake bolts, for a 1998 ford windstar 3.8 L MONTH OF MANUFACTURE IS 06-1997

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2005 Impala

Torque specs 2003 olds silhouette rocker arm 3.400

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Engine Bolt Torques- 2005 Chevy Impala/3400 Engine

4 Answers

ITGuy181

Anonymous

Anonymous

taterhead 3e

1 Suggested Answer

6ya staff

Add Your Answer

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Related Questions:

Torque specs 2003 olds silhouette rocker arm 3.400

Flywheel torque spec's for 1983 Ford F-100

Torque spec's for the fly wheel

Rocker arm pivot torque for olds cutlass 1987 307

Oldsmobile Torque Specs - GbodyOlds.com

Rocker Arms - AutoZone

Torque specs for rocker arms

I need torque specs and sequence head bolts, intake bolts, for a 1998 ford windstar 3.8 L MONTH OF MANUFACTURE IS 06-1997

What are the torque measurements for the rocker arms and intake manafold?

Intake manifold bolts torque and rocker arm torque

Need torque specs

Intake and rocker arm torque specs. thanks

Not finding what you are looking for?

2005 Impala

Torque specs 2003 olds silhouette rocker arm 3.400

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remove headliner 2005 chevy impala 5 wire onstar system

05 chevrolet impala front 2 rear brake lines how to install

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