Question about 2002 Chevrolet Silverado 1500

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How to remove upper intake from 4.3 chevrolet

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Click here to see guide.

Posted on Nov 29, 2012

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What do the intake manifold bolts for a 2002 Chevy Malibu with a 3.1L need to be torqued to?


Pretend the picture is lower intake manifold, that is the tightening sequence.
1st step 5 ft lbs
2nd step bolts 1--4 9.6 ft lbs
3rd step bolts 5--8 18 ft lbs
The upper intake manifold use about the same sequence tighten to 18 ft lbs.
If you don't like ft lbs use inch lbs.
If the upper intake manifold is plastic, be careful with that.
intake manifold-glquxvjrls3o0ta25lrevmb0-4-0.jpg

Apr 17, 2017 | Chevrolet Malibu Cars & Trucks

Tip

How to remove/replace the Valve Cover Gaskets on a New Beetle car?


Replace the valve cover gasket if the valve cover gaskets are leaking or if they're worn. The procedure is as follows:--
1) First of all let the motor cool down if the car was recently driven. Then remove the air intake boot.The air intake boot ios attached to the engine's throttle body.
2) Carefully disconnect the throttle cable , hoses and electrical connectors located on the upper intake manifold.
3) Then disconnect the hard pipe that is connected to the EGR (exhaust gas recirculation) valve.
4) The EGR valve is located beneath the upper intake manifold.
5) Then remove the bolts from both the upper intake manifold and the manifold support bracket.
6) Now the upper intake main fold and lower intake manifold both have got loose as you removed the nut.
7) After that remove the upper intake manifold from the lower intake manifold. Carefully place clean rags over the intake runners to prevent anything from falling into the intake system.
8) Then you will have to disconnect the crank case breather valve on the valve cover.
9) Then remove the bolts from the valve cover and remove the reinforcing straps.
10) Then remove the camshaft belt cover and the dust shield from the back of the camshaft sprocket.
11) Now carefully remove the valve cover. Properly clean the old gasket material with gasket remover.
12) You can install a new gasket in the reverse procedure of removal.


This will help. good luck.

on Mar 09, 2010 | Volkswagen Beetle Cars & Trucks

1 Answer

Where is the upper intake manifold located on a 1997 Chevy 2500 van?


The upper part of the intake manifold is the plastic part of the assembly, it's held on with small 10 millimeter headed bolts. NOTE: This dosen't have to be removed to replace the lower intake gaskets.

Mar 11, 2011 | 1997 Chevrolet C/K 2500

1 Answer

Diagram on how to remove and install a spider fuel injector core on a 1994 chevy blazer s10


Here is the removal procedure, and the procedure is the same for both the V-6 and the V-8 Vortec engines. Also, be certain to put engine oil on the "o"-ring seal for the fuel injector assembly before installing the upper intake. Let me know if you require any further assistance.

REMOVAL:

1. Disconnect the battery negative cable assembly from the battery negative terminal.

2. Remove the air cleaner assembly.

3. Remove the wiring harness connectors and the brackets and move aside.

4. Remove the throttle cable and the bracket from the upper intake manifold.

5. Remove the cruise control cable, (if equipped).

6. Remove the fuel lines from the intake to the rear of the block.

7. Remove the ignition coil and the bracket.

8. Remove the upper intake manifold.

INSTALLATION:

1. Install the upper intake manifold gasket.

2. Install the upper intake manifold. Use care not to pinch the injector lines between the upper and lower intake manifolds.

3. Install the upper intake manifold bolts. Note the marks made at disassembly for proper stud location. Install the two corner studs first in order to help align the two halves. NOTE: Other than the two torque passes listed below, the OE Manufacturer did NOT address or supply a bolt tightening sequence for the upper Intake Manifold for this model year, or other model years where this 2 piece manifold setup is used. A "Play It Safe" final tightening sequence would be to tighten from the center most bolts to the outer most bolts.

4. Tighten the bolts in two steps: a. Tighten the bolts on the first sequence to 5 Nm (44 inch lbs.). b. Tighten the bolts on the final sequence to 10 Nm (88 inch lbs.).

5. Install the purge solenoid and bracket.

6. Install the ignition coil and bracket.

7. Install the PCV hose et the upper intake manifold.

8. Install the fuel lines from the intake at the rear of the block.

9. Install the cruise control cable (if equipped).

10. Install the throttle cable and bracket from the upper intake manifold.

11. Install the wiring harness connectors and brackets.

12. Install the air cleaner assembly.

13. Connect the battery negative cable assembly to the battery negative terminal. - Tighten the bolt to 15 Nm (11 ft. lbs.).


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Oct 22, 2010 | Chevrolet Blazer Cars & Trucks

3 Answers

I need to find the truck termostat, where is it?


The thermostat is located in the front of the intake manifold under the thermostat housing, and follow the upper radiator hose over to where it connects to the engine on the intake manifold and that will be the thermostsat housing. remove the upper radiator hose from the thermostsat housing and remove the ground wire if there is one attaced to one of the two thermostat housing studs, and then remove the two studs/bolts from the thermostat housing and then remove the thermostat from the intake manifold. Be sure to replace the thermostat correctly and here is an image to help assist you.


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Sep 10, 2010 | 1997 Chevrolet C1500

2 Answers

Need torque specs for 2000 chevy malibu 3.1 cyl heads & intake


(step 1 ) the torque specs for the heads are---1998 through 2001 are 37 foot lbs. ( step 2) rotate an additional 90-degrees (1/4 turn). intake manifold bolts ( lower ) step 1-- 62 in-lbs, step 2--115 in-lbs. intake manifold bolts/studs ( upper ) 18 ft-lbs. this is for the 3.1 v-6, have a good day!

Aug 14, 2010 | 2000 Chevrolet Malibu

1 Answer

1999 S10 blazer 4.3. need to replace lower intake gaskets. went and bought the kit and the kit has upper and lower intake gaskets with it. do i need to replace them all?? the kit also came with gasket...


If your going to replace the lower intake and the set came with the upper why not replace it, your removing it any way.the silicone you need to used it at the 4 corners where the heads meet the engine block or you will have leaks.

Feb 02, 2010 | 1999 Chevrolet Blazer

1 Answer

Replace lower intake gasket on 2001 infinite i30


1. Detach everything connected to the upper Intake manifold
2. Remove the upper Intake Manifold
3. Remove the fuel rail and injectors
4. Remove the IM
5. Replacement is the opposite.

Oct 08, 2009 | 2004 Infiniti I35

1 Answer

How do you seperate upper intake manifold from injector assembly


There is a o-ring around the injector assembly,it is probably stuck to the upper plenum.Try gently prying on both sides of upper plenum at same time.

Aug 03, 2009 | 1996 Chevrolet G20

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