Rocker arm pivot torque for olds cutlass 1987 307

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Question moved to model category.

Torque for Rocker Arm Nuts: I Have a 1989 Chevy Cavalier ...

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Dec 30, 2006 - For the 2.0L engine: Rocker Arm Stud 33-40 ft. Lb Rocker Nut 11-18 ft. Lb For the 2.8L engine: WITH NON-ADJUSTABLE ROCKER STUDS Torque ...

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Valve Lash

https://www.google.com/search?q=1986+cavalier+2.0+valve+lash+adjustment

..

Yes, it is the same thing. Haynes is originally a UK company so they will use the UK words for parts. The torque setting for these bolts are not normally very high.

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

No torque sequence on rocker arm bolts. 11 ft lbs plus 30 degrees.
A torque wrench rated for inch lbs should be a finer adjustment.

its in the FSM. want to read that for free.
see chapter marked ENGINE>
chapter 9
ZJ jeep it is.

there is no such thing,
sorry
here ill paste the install push rods/rockers. lines

(1) Rotate the crankshaft until the "V8" mark lines
up with the TDC mark on the timing chain case
cover. This mark is located 147° ATDC from the No.1
firing position.
(2) Install the push rods in the same order as
removed.
(3) Install rocker arm and pivot assemblies in the
same order as removed. Tighten the rocker arm bolts
to 28 N·m (21 ft. lbs.) torque.
CAUTION: DO NOT rotate or crank the engine during
or immediately after rocker arm installation.
Allow the hydraulic roller tappets adequate time to
bleed down (about 5 minutes).
(4) Install cylinder head cover.
(5) Connect spark plug wires.
end. quote.

is this clear?

need to know what size motor you have but the 3.1, 3.4, and 3.8 liter motors are know for the rocker arm studs striping out inside of the head so while you think your tightening it your really only turning the nut and the stud. try putting a wrench(13mm) on it and turn to see if stud is turning. if so it will need to be drilled out and a helie coil put in it

Hi there:

Rocker Arms & Pushrods

Removal & Installation

3.1L & 3.4L Engines
Left Side

1. Before servicing the vehicle, refer to the precautions section.
2. Drain the cooling system to a level below the coolant pipe on the front of the engine.
3. Remove or disconnect the following:
   NOTEKeep the pushrods in order. Intake pushrods are 5 3 / 4 inches long and exhaust pushrods are 6 inches long.
   
   
   Negative battery cableSpark plug wiresHeater bypass pipePositive Crankcase Ventilation (PCV) valve and hoseRocker arm cover
   
   
   Rocker arms and pushrods
   

To install:

1. Lubricate all the valvetrain components with engine oil.
2. Install or connect 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).PCV valve and hoseHeater 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).Spark plug wiresNegative battery cable
   
3. Refill the cooling system.
4. Start the vehicle and verify no leaks.

Right Side

1. Before servicing the vehicle, refer to the precautions section.
2. Remove or disconnect the following:
   NOTEKeep the pushrods in order. Intake pushrods are 5 3 / 4 inches long and exhaust pushrods are 6 inches long.
   
   
   Negative battery cableAlternator bracket on 2005 modelsSpark plug wires from the spark plugs and the upper intake plenum wire retainerPower brake booster vacuum pipe from the intake plenumAccessory drive beltAlternator, if necessaryIgnition coil assembly and Evaporative Emissions (EVAP) canister purge solenoid as an assemblyRocker arm cover
   
   
   Rocker arms and pushrods
   

To install:

1. Lubricate all the valvetrain components with engine oil.
2. Install or connect the following:
   
   Pushrods and the rocker arms. Torque the bolts to 24 ft. lbs. (32 Nm) plus an additional 30 degree turn.Rocker arm cover using a new gasket. Torque the rocker cover bolts to 89 inch lbs. (10 Nm).Ignition coil and EVAP solenoid assemblyAlternator, if removed. Torque the bolts to 37 ft. lbs. (50 Nm).Accessory drive beltPower brake booster vacuum pipe to the plenumSpark plug wiresNegative battery cable
   
3. Start the vehicle and verify no leaks.

Hope this helps.

You don't. They are non-adjustable hydraulic lifters. GM's spec for torque on the rocker arm nuts: Tighten the valve rocker arm ball studs to 47 N·m (35 lb ft). Once the valve rocker arm nuts are installed and properly torqued, no additional valve lash adjustment is required.

5 million made.
it's in the fsm book
posted here over 300 times.
are you asking , how to set rockers ?

chapter 9 page 27
------------------text fsm---------------------
INSPECTION
Inspect the pivot surface area of each rocker arm.
Replace any that are scuffed, pitted, cracked or
excessively worn.
Inspect the valve stem tip contact surface of each
rocker arm and replace any rocker arm that is deeply
pitted.
Inspect each push rod end for excessive wear and
replace as required. If any push rod is excessively
worn because of lack of oil, replace it and inspect the
corresponding hydraulic tappet for excessive wear.
Inspect the push rods for straightness by rolling
them on a flat surface or by shining a light between
the push rod and the flat surface.
A wear pattern along the length of the push rod is
not normal. Inspect the engine cylinder head for
obstruction if this condition exists.
INSTALLATION
NOTE: This procedure can be done with the engine
in or out of the vehicle.
(1) Lubricate the ball ends of the push rods with
Mopart Engine Oil Supplement, or equivalent and
install push rods in their original locations. Ensure
that the bottom end of each push rod is centered in
the tappet plunger cap seat.
(2) Using Mopart Engine Oil Supplement, or
equivalent, lubricate the area of the rocker arm that
the pivot contacts. Install rocker arms, pivots and
bridge above each cylinder in their originally position
(Fig. 23).
(3) Loosely install the capscrews through each
bridge.
(4) At each bridge, tighten the capscrews alternately,
one turn at a time, to avoid damaging the
bridge. Tighten the capscrews to 28 N·m (21 ft. lbs.)
torque.
(5) Install the engine cylinder head cover (Refer to
9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - INSTALLATION).

locate v8 on crankshaft damper(147 degrees ATDC). rotate engine until v8 lines up with TDC mark on timing cover. install rocker arm and pivot assemblies and torque to 21 ft. lbs. wait 5 minutes before starting vehicle to allow lifters to bleed down correctly