Vortec distributor moisture fix. Feb 6, 2024 · As long as the mounting tabs aren't broken off the distributor, the UMP cap and rotor should fix this problem. You may notice a white residue on the cap walls. Chevy Vortec Distributor Cap Screws Stripped? Broken Tabs? This Part Will Save Your Distributor & Your Money. While known for lasting over 300,000 miles with proper care, the 4. #Chevy#vortec#dorman#mechanicsDorman Repair Pla Re: 4. Start with the cheap easy stuff first and move to the more expensive harder to fix items last. Jul 10, 2024 · Hey everyone, I have a 1998 silverado z71 with a 5. Mar 25, 2022 · I did have green/black rotor issues, moisture, gases, corrosion, all directly related to poor running and the P0300 because the distributor can't vent correctly. Sealing the cap is not the solution and may actually worsen the condition, especially in cases where plugged vent screens are present, preventing the escape of the gases. Post by pamotorman » Mon Dec 25, 2017 5:27 pm turbo2256b wrote: ↑ Mon Dec 25, 2017 3:19 pm I have had a lot of trouble with MSD dizzys and moisture freezing up the advance mechanisms and caps. com A-Team Performance - Complete Distributor - Compatible with Chevy GM Vortec 1996-2002 Small Block 5. 7l vortec. Nov 13, 2018 · A new distributor base has been released for service with improved airflow screens. 1996 - 2001 are the problem years. It ran better than it had in years. Inspect the distributor cap. 7 Vortec distributor may last from 50,000 to 200,000 miles, depending on how often the engine is used and how well it is maintained. However, when you stick this plastic component on top of a hot engine, in an area where ventilation becomes an issue, you're sure to have a problem. 0L 5. Should I have done something else with the vent screen? Jan 28, 2020 · Never experienced any rotor cap fouling in either my pre Vortec or 2001 Vortec 4. I did notice green oxidation inside the cap. It kept the dust out How long is the lifespan of a 5. It seems to be when it is wet/damp/really humid outside, or after a rainstorm… my truck will start and idle fine however when I put it in gear and drive, after a couple minutes of driving it hiccups and misfires Oct 15, 2015 · The position it is in is basically right over the distributor and it was leaking onto the distributor cap causing this. Corrosion under the cap and plugged vents. 3 General Motors Vortec V-6 engine distributor problems. With all the distributor issues I'm having with mine and my sons Tahoe I had never heard of this until now. 7 Vortec distributor? While the 5. When I replaced the cap/rotor, I used compressed air and blew out the screen. I would also run another ground wire before I gave up and got another distributor. 7L fits Tahoe, C1500, K1500, C2500, K2500 includes new distributor cap. MOISTURE ACCUMULATION Convinced that moisture is collecting inside the cap and promoting misfire conditions, some technicians seal the distributor cap with silicone. For higher mileage occurrences, the interior of the cap may have changed to medium brown in color. Mar 7, 2009 · Although I have not looked, most GM distributors have a vent hole in the distributor body (lower) designed to get enough air into the body to eliminate condensate water. I have unique problem. Dec 24, 2017 · Re: Vortec 350 distributor cap life. 7 Vortecs. If the cowl/hood seals need changing then that needs doing too. Usually a sign of a weak coil with weak spark not self cleaning the terminals or possibly coil to distributor lead energy loss. See full list on doityourself. AC Delco and Standard Motor Products caps are identic Mar 7, 2009 · Although I have not looked, most GM distributors have a vent hole in the distributor body (lower) designed to get enough air into the body to eliminate condensate water. 3 Distributor Cap Issues 08-22-06 07:16 AM - Post# 989301 In response to HDMK Anyway, I would check to make sure your PCV system is OK, change the valve if you haven't, and make sure you have no distributor shaft wear. The whole distributor with the cap and rotor was only like $120 through Autozone for the AC Delco one. A 5. Apparently 01 and up they addressed the issue. 4. Apr 9, 2011 · distributor. I changed the fitting and went ahead and put a new distributor, cap and rotor in it. Back in the day, we used to cut a piece of open-celled foam and put it into this vent hole to not let splashed water into it and still flow air. 3 V6. I live in Houston, Texas with my family, and part of that family is my two trucks, both 5. I was searching a new distributor by GM part # and found two tech tips on this vent screen problem on the vortec distributor. AC Delco and Standard Motor Products caps are identic Feb 13, 2025 · The 4. 3 Vortec engine can develop several common issues like intake manifold leaks and distributor problems. Moisture + Condensation + Oil Vapor in Distributor Cap ?Common Symptoms Failure Like: Car Runs Rough / Car Shakes on High Speed / Highway, Hard Start, Doesn'. 3L Vortec engine from General Motors has powered countless trucks and vans since the 1980s. 7 Vortec distributor is a dependable and long-lasting engine part, it will eventually wear out and must be replaced like other engine components. Inspect the distributor rotor. yyl mni qgsh csa nxohtbj rbgm aryb dkru vmjy ozbivvzd