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How do i replace lower intake Manifold gasket on a 1996 CHEVROLET C1500 PICKUP 5.7L V8?

I believe one of the injector is bad.

Posted by Joe Russell on

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john h

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To get to spider injector https://www.youtube.com/watch?v=zte-h_mZyBM https://www.youtube.com/watch?v=pug5RxRM8uA

Posted on Mar 28, 2022

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On a 2000 explorer 4.0 Soho do I have to remove the injectors to remove the lower intake

REMOVE UPER INTAKE 97 EXPLORER V6 4.0 - YouTube

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Jun 11, 2013 - Uploaded by Sum Guy
REMOVE UPER INTAKE 97 EXPLORER V6 4.0 ... I was told that all I have to do is remove the fan belt to get access to it ... FordExplorer 2000 intake manifold gasket upper lower P0174 by froggy - Duration: 36:54. by froggy 36,588 views ... Ford Explorer 4.0L SOHC Rough Idle P0171 P0174 Lean Codes ...

Putting the lower intake on my 1997 Ford Explorer 4.0 OHV ...

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https://www.youtube.com/watch?v=qKE1vPxqPHs
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Putting the lower intake on my 1997 Ford Explorer 4.0 OHV sport .... I do have a 2000 5.0 ... @michaelheiland123654 To dothis job, you have to remove the alternator, unbolt the AC compressor, remove upper intake manifold, remove fuel rail,remove all injectors, ... Do you have the SOHC or OHV version?

1999 Ford Explorer 4.0L -need assistance on removing upper intake ...

www.automotiveforums.com > ... > Ford > Explorer ' Explorer Sport Trac
Sep 20, 2011 - 1999 Ford Explorer 4.0L -need assistance on removing upper intake ...Are you sure you have the OHV/pushrod engine and not the SOHC engine? ... Do youhave the upper intake manifold loose, you just are unable to ... the lower intake gasket, valve cover gaskets, Injector o-rings, plugs and wires. Thanks ...

How to replace upper intake manifold gaskets - Ford Explorer




1helpful
1answer

Gmc suburban 1996 V8 vortec engine,delayed starting after 1hr. standby.it took 15 seconds of continous starting before engine run.once the engine run i put it off and start it again,it took only 1 second....

Check for fuel presser bleed down, does the fuel presser hold after you shut it off? or does it fall off? if so check for bad pulsar valve or bad injector ect.
0helpful
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I have a 1996 Chevrolet Pickup 1500 series with a 4.3 liter V6. It will not idle and runs rough. I changed the injector system, thecontrol module and pickup module. This did not help. Any suggestions would...

could be egr system , intake air sensor , tps, vacuum leak, map sensor, bad distributor cap, wires, plugs, best way is to install a real time scanner( not a code scanner) with a fuel pressure guage, that should help narrrow your search
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Where are the injectors on a 1996 pickup 1500 6 cyc

This uses only one injector known as a spider injector. This then runs to 6 poppit valves that feed the fuel into the cylinders. It is located under the upper portion which is plastic of the intake manifold.You should be able to see a harness that is located at the throttle body.
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Torque sequence for 1996 chevrolet van intake manifold with a 4.3 litre moter

Ha, you tried to fool me with the bit about a 3.5 L motor--I could find that one...here is the complete procedure from AutoZone.com:




Installation To install:
  1. Clean the gasket mounting surfaces. Be sure to inspect the manifold for warpage and/or cracks. If necessary, replace it.
  2. Position the gaskets on the cylinder head with the port blocking plates to the rear and the This Side Up stamps facing upward. Then apply a 3 / 16 in. (5mm) bead of RTV sealant on the front and rear of the engine block at the block-to-manifold mating surface. Extend the bead 1 / 2 in. (13mm) up each cylinder head to seal and retain the gaskets.

    0996b43f80208c7b.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Lower intake manifold tightening sequence-4.3L engines
  3. Install the lower intake manifold. Tighten the bolts in sequence and in 3 steps, as follows:


    1. Step 1: 26 inch lbs. (3 Nm).
    2. Step 2: 106 inch lbs. (12 Nm).
    3. Step 3: 133 inch. lbs. (15 Nm).

  4. Install or connect the following:

    Power steering pump Alternator bracket bolt near the thermostat housing Wiring harness to the lower manifold components, including the injector, EGR valve and ECT sensor Air conditioning compressor bracket-to-the lower intake manifold pencil braces
  5. Install transmission oil dipstick tube, if necessary.

    Fuel supply and return lines to the rear of the lower intake
  6. Temporarily reattach the negative battery cable, then pressurize the fuel system (by cycling the ignition without starting the engine) and check for leaks.
  7. Disconnect the negative battery cable.
  8. Install or connect the following:

    Heater hose to the lower intake Upper radiator hose to the thermostat housing Distributor assembly and engage the wiring Ignition coil Connect vacuum hoses to the upper and lower intake manifold. New upper intake manifold gasket, making sure the green sealing lines are facing upward Upper intake manifold Manifold retainers. Tighten them to 88 inch lbs. (10 Nm) using two passes. Purge solenoid and bracket Brake booster vacuum hose at the upper intake manifold PCV hose to the rear of the upper intake manifold Vacuum hoses to both the front and rear of the manifold assembly Throttle body Throttle linkage to the upper intake Wiring to the upper intake components including the TP sensor, IAC motor, MAP sensor and the fuel meter Engine cover Air intake assembly
  9. Connect negative battery cable.
  10. Refill the engine cooling system.
  11. Start the engine and check for leaks.
1helpful
2answers

I have a 1996 Chevy C1500 5.0L Vortec V8. I lost oil pressure and found water in the oil. Replaced oil and filter so we could start the engine again. Regained oil pressure, no noise, ran smooth, no bubbles...

next step is to remove the intake, you are on the right track, worse i ever found was a cracke block, but that was in a 61 t-bird which was repaired with jb weld ten yrs ago and still holding, but the intake gasket sounds right
0helpful
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0helpful
1answer

2002 Grand Prix GTP Supercharged

I believe there is a recall for that problem, covered 100%
0helpful
1answer

Cyl 5 missing

Ok, this is not a throttle body injection system. It has a throttle body with a block of individual port injectors mounted inside. the intake plenum.
Since you have good compression on that cylinder, and you have replaced the cap, rotor, plugs and wires, it is fairly safe to assume you have spark because the ignition module services all the plugs. If one works, they all should unless you have the wires mixed up? It may be a very good idea to double check your firing order. You may have two holes misfiring and not realize it! It is: 1-8-4-3-6-5-7-2
If that is correct, it is highly likely that you either have a vacuum leak at that intake port, or that injector is plugged or not firing. Unfortunately it is difficult to get at the injectors to check them. You have to remove the intake plenum, and once you've gone this far, you'll be replacing the gaskets, you may as well stick another injector in just to cover your ****. You can by them separately.
Thinking out loud- How many miles? - I'd really want to check for anything mounted near that runner that could be a vacuum leak.
If you do end up taking this apart, These are a really funny looking style of injector. They are mounted in a well in the center of the plenum. They are unlike typical Bosch style injectors, they have a solenoid valve that releases fuel into a tube that has a poppet valve on the end that is kind of willy nilly clipped into a hole in the intake port. These injectors do have some history of the poppet valve sticking. I believe I've seen a GM bulletin recommending a fuel injection cleaner chemical just for this problem.
Hope this helps.
42helpful
1answer

Torque Spec for '99 Chevy C1500 5.7L engine lower intake manifold

On 5.7L engines, install the bolts and torque in sequence as follows:
  1. Step 1: 71 inch lbs. (8 Nm).
  2. Step 2: 106 inch lbs. (12 Nm).
  3. Step 3: 11 ft. lbs. (15 Nm).
f2266b6.jpg
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