Distributor replacement instructions please

Tiny
BHUNTR
  • MEMBER
  • 2 POSTS
Thank you for your time! Next time, I will definately give u guys a much earned donation!I am just alittle poor for now. Thanks again! Merry Christmas and God Bless!
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Monday, February 1st, 2021 AT 10:46 AM (Merged)
Tiny
GHOST2021
  • MEMBER
  • 1 POST
  • 1995 CHEVROLET BLAZER
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 16,000 MILES
I have the SUV listed above LT model. I replaced intake manifold gasket and now trying to figure out how to correctly install the round top distributor. Any help is much appreciate!
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached the procedure below. Make sure the engine is at top dead center compression stroke.

Roy

Preassembled replacement distributors are not available. Components are available to assemble a new distributor. Some components, such as the air cleaner, may need to be removed to reach the distributor. The distributor has a separate ignition coil that mounts to a bracket on the top of the engine.

REMOVE OR DISCONNECT
Make sure the ignition switch is "OFF."

1. Air cleaner and hoses.
2. Electrical connectors at the side of the distributor cap.
3. Two screws on the sides of the distributor cap.
4. Ignition coil wire and spark plug wires on either the left or right side of the distributor.
5. Distributor cap and move it aside.
A. Use chalk to note the position of the rotor in relation to the engine.
B. Use chalk to note the position of the distributor housing in relation to the engine.

6. Distributor bolt and hold-down clamp.
7. Distributor and gasket, when present.

INSTALL OR CONNECT
1. Distributor and gasket when present.
A. To ensure correct timing of the distributor, it must be installed with the rotor correctly positioned as noted in step 5 of the removal procedure. Line up the rotor to the mark on the engine, and the mark on the housing to the engine. Rotate the distributor shaft 25° to the left from the scribed mark when installing.
B. If the distributor shaft won't drop into the engine, remove the distributor, insert a screwdriver into the hole for the distributor and rotate the oil pump driveshaft so it lines up with the distributor drive gear.
2. Hold-down clamp and bolt.

Tighten
Bolt to 27 Nm (20 lbs. In.).

3. Distributor cap with two screws.
4. Wiring harness connectors to the sealed ICM connectors at the side of the distributor.
5. Spark plug wires and coil wire.
6. Air cleaner and hoses.
Check the ignition base timing.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
  • 1995 CHEVROLET BLAZER
  • 4.3L
  • V6
  • RWD
  • AUTOMATIC
  • 211,897 MILES
Changed fuel pressure regulator had to remove distributor cause clip that holds fuel lines in flew now truck cranks, but does not fire over, It gets gas got spark. At a loss as to what could be wrong as we have reset the distributor multiple times thinking we did not get in right position, but to no avail.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The distributor cap is a little confusing as ti which cylinder the rotor is pointing to. You have to bring the engine up to TDC on #1 on the compression stroke and then align these marks.

https://www.2carpros.com/images/external/84852747.gif
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
My distributor is different then that one and yes we have it tdc. So unless the lines on harmonic is wrong place we did everything by the book.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
My distributor also is not stamped with a six like all the videos.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If you have the flat distributor cap, they definitely do not line up on the outside. You have to look at the inside of the cap to find #1.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If you have a non OBD2 system, you will have the old style distributor and that one should be easy to install.

https://www.2carpros.com/images/external/42407347.gif
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
It s the vertical style my buddy who is certified said something about being an adjustable distributor should the fuel regulator needed set before install it came with a bit to do so, but we assumed it should be set close enough to run on out of the package.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
The last picture looks like mine. I cannot tell if it has two plugs like mine or not, but the rest seems right.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You need to go back to basics and test fuel pressure and spark. This system will not run under 55PSI of fuel pressure.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
We have spark just does not seem that it is firing fast enough or maybe my firing order different and I cannot check fuel pressure. Do not have access to a gauge to do it.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Auto parts rents them.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
For $160.00 where I am at.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Unfortunately you are just spinning your wheels if you do not have a fuel pressure gauge. Fuel pressure is critical on this engine.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
Fuel pressure is spot-on moving on to replacing the distributor.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Spot on? What exactly is the pressure KOEO?
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
75 at peak when you turn key settles to 60.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)
Tiny
PATRICK HAUGER
  • MEMBER
  • 15 POSTS
Or to word it a little more clearly when you turn key it jumps to around 75 then settles to 60.
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Monday, February 1st, 2021 AT 10:47 AM (Merged)

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