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How To Remove TBI Unit

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Old May 12, 2008 | 09:06 AM
  #1  
bobbyj12345's Avatar
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From: Massachusetts
Car: 1990 Pontiac Firebird
Engine: 305 TBI V8
Transmission: 700r4 Automatic
Axle/Gears: 2.73
How To Remove TBI Unit

I'm Pretty new to this stuff, but I was wondering if there were any guides to removing a tbi unit off of a 305
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Old May 13, 2008 | 04:46 AM
  #2  
Icarus 402001's Avatar
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From: SE PA.
Car: 92RS
Engine: 305
Transmission: 700R4
Axle/Gears: 2.73
Re: How To Remove TBI Unit

Haynes, Chiltons, search......
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Old May 13, 2008 | 09:16 AM
  #3  
69chvelle's Avatar
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From: OK
Car: '04 Silverado, 89 RS, 69 Chevelle
Engine: 6.0, 5.0, LS1
Transmission: 4L60E, 700R4, 4L60E
Re: How To Remove TBI Unit

Remove air cleaner, disconnect all vacuum lines, electrical connectors, and throttle wires, then there are three 13mm bolts holding it on, inside the unit(not around the perimeter like a carb) an it is off.
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Old May 13, 2008 | 11:42 AM
  #4  
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From: Sacramento
Car: 91 RS
Engine: 350 TBI
Transmission: WC T5
Axle/Gears: 3.42 Posi
Re: How To Remove TBI Unit

Originally Posted by 69chvelle
Remove air cleaner, disconnect all vacuum lines, electrical connectors, and throttle wires, then there are three 13mm bolts holding it on, inside the unit(not around the perimeter like a carb) an it is off.
Fuel lines too, make sure you use a backup wrench
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Old May 13, 2008 | 12:02 PM
  #5  
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From: OK
Car: '04 Silverado, 89 RS, 69 Chevelle
Engine: 6.0, 5.0, LS1
Transmission: 4L60E, 700R4, 4L60E
Re: How To Remove TBI Unit

Originally Posted by Darkshot
Fuel lines too, make sure you use a backup wrench
Yep, it will come loose with those attached, but not out of the car I knew I was forgetting something
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