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April 13th 2021, 11:42pm
Air Intake Removal How-To (2003 Astro)
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How to change your fuel pump.
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hotrodding the 4.3 V6 (tips & tricks)
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How To: Oil Cooler Delete (Level: Easy)
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Mystery Electrical connector
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Fan Housing Removal How-To (2003 Astro)
by chemist » July 6th 2008, 9:40pm

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May I Introduce The 4.3 Rebuild Bible!
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Last post by AstroWill
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Water Pump Replacement, Thermostat Replacement How-To
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Last post by SidewaysEightSix
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Belt questions
by Bikley » Yesterday, 3:40pm

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Yesterday, 6:13pm
UNABLE TO REMOVE BROKEN STARTER BOLT
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1 Replies

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Last post by Rockridge
April 11th 2021, 11:22pm
332k+ miles! Maintenance and Preservation?
by Captain90s » April 11th 2021, 7:10pm

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Last post by sixsix
April 11th 2021, 10:38pm
2003 running bad-New cap rotor plugs wires...
by jfunkngroove » April 8th 2021, 12:20am

17 Replies

231 Views

Last post by jfunkngroove
April 10th 2021, 10:38pm
intermittent stalling
1, 2by justoneman » March 29th 2021, 2:14am

35 Replies

511 Views

Last post by vangogo
April 10th 2021, 3:49am
I think my timing has jumped. How do I fix this?
by JKlug81 » March 30th 2021, 7:10pm

14 Replies

326 Views

Last post by ptysiek
April 9th 2021, 6:25pm
Replace damaged V6 oil pan or gasket the easy way
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April 9th 2021, 5:47pm
New Van, Slow Ride
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April 9th 2021, 2:46am
Remanufactured Engines and the Scum That Can Stick On Them
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April 8th 2021, 9:20pm
Coolant drain plugs on 1990 Chevy Astro engine block
by maskarinec17 » April 8th 2021, 3:54pm

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Last post by Mmusicman
April 8th 2021, 8:44pm
What else should I replace during Timing Cover/Pan Gasket?
by Eddy » February 27th 2021, 8:08pm

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Last post by zGerman
April 7th 2021, 2:51am
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April 6th 2021, 9:08pm
P0351 ignition coil control circuit
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1 Replies

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Last post by AstroWill
April 1st 2021, 8:44pm
Timing Chain replacement
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Last post by Bobsleddia
March 29th 2021, 6:57am
Starts strong, idles smooth, then dies.
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March 28th 2021, 7:23am
Turbo 4.3 - Looking for help
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Last post by sixsix
March 28th 2021, 1:47am
Loss of power at 3000rpm
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59 Replies

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Last post by co60
March 27th 2021, 8:52pm
Intermittent rough idle, stalling
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Last post by Coaster
March 27th 2021, 8:28pm
Fuel trims and mass air flow
by baily144 » January 30th 2021, 12:19am

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Last post by baily144
March 27th 2021, 3:19am
Cheap Ebay Parts or Suggestions
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March 26th 2021, 2:30am
Difficulty getting to 15 mph
by Vander » March 16th 2021, 2:37pm

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Engine stalling after coolant flush.
by swishalump » March 23rd 2021, 2:42am

13 Replies

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Last post by Mmusicman
March 23rd 2021, 10:55pm
fuel gauge for multipoint fuel injection ?
by webcat » December 11th 2009, 12:40am

12 Replies

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Last post by highfigh
March 21st 2021, 3:02pm
Cooling Fan Clutch nut
by bextreme » November 18th 2019, 1:24pm

11 Replies

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Last post by Leeann_93
March 20th 2021, 4:36am
starts, drives, dies, sometimes restarts, sometimes no
by MizKim » March 18th 2021, 11:27pm

2 Replies

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Last post by MizKim
March 19th 2021, 10:43pm
Fuel supply
by Mike Noble » March 19th 2021, 11:07am

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Last post by Leeann_93
March 19th 2021, 9:43pm
Stubborn Coolant system wont bleed.
by Themistocles » March 16th 2021, 8:27pm

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March 17th 2021, 1:29am
Stock Exhaust Valves 2003 GMC
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Last post by smyrna5
March 14th 2021, 5:45pm
Lost oil ptessure, oil all over motor
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March 14th 2021, 4:23pm
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March 14th 2021, 3:07pm
Oil cooler line fitting on radiator leaks
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Last post by highfigh
March 14th 2021, 2:53pm
Timing cover: Replace or new gasket?
by Themistocles » March 12th 2021, 11:07pm

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Last post by Themistocles
March 12th 2021, 11:07pm
Fuel gauge and fuel filling problems related?
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Last post by swishalump
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Last post by highfigh
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Non-Splice Fuel Pump (It's a Bosch)
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Last post by highfigh
March 11th 2021, 3:23pm
Has anyone upgraded to Silicone coolant hoses?
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Last post by Astrofarian
March 7th 2021, 3:16am
Dang - I only got 21 years out of my starter......
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Engines
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Engine Repairs, Modifications, Diagnostics, Tuning, Upgrading, Questions.

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