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Distributor installation?

Tiny
BRBLEAUJR
  • MEMBER
  • 1999 CHEVROLET SUBURBAN
  • 168,000 MILES
Had to replace distributor do to damage cap won't tighten. Crank may have moved. Also intake gaskets were replaced. Truck starts hard and pings during acceleration.

Sunday, September 11th, 2011 AT 2:45 AM

6 Replies

Tiny
PROMECHANIC
  • MECHANIC
  • 536 POSTS
You need to roll your engine over to TDC on the compression stroke for the number 1 cylinder. Then see if the rotor is pointing to the #1 spark plug.
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Sunday, September 11th, 2011 AT 4:01 AM
Tiny
PJEFFERS
  • MEMBER
  • 1 POST
  • 1996 CHEVROLET SUBURBAN
I have to buy/replace a distributor/coil every 6 months because the distributor cap turns green and the truck starts running rough and stalling. Please help!
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Monday, February 15th, 2021 AT 10:28 AM (Merged)
Tiny
BURRBRIAN
  • MECHANIC
  • 158 POSTS
Something you might try is some silicone spray to seal things up and keep the moisture out. I don't think it will affect anything on these electronic set-ups and I know that it works on the older models before all the computer and electronic stuff. Something to check into, don't think it could hurt and would probably be a lot cheaper than buying so many caps and coils. Hope this works and solves you problem :D
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Monday, February 15th, 2021 AT 10:28 AM (Merged)
Tiny
FRENZEL69
  • MEMBER
  • 1 POST
  • 1995 CHEVROLET SUBURBAN
  • 7.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
Where should rotor be on distributor when on TDC?
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Monday, February 15th, 2021 AT 10:28 AM (Merged)
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Here is the information you requested. I've attached a picture below. Hope this helps and thanks for using 2CarPros.
Danny-
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Monday, February 15th, 2021 AT 10:28 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

When you install a distributor, the rotor should point toward the number 1 spark plug wire when the engine is at top dead center (TDC). Here is a video showing how it is done:

https://youtu.be/El1H0_6IYxQ

Let me know if that helps or if you have other questions

Take care and God Bless,

Joe
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Monday, February 15th, 2021 AT 10:28 AM (Merged)

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