Vortec distributor moisture symptoms. May 14, 2014 · I have

Vortec distributor moisture symptoms. May 14, 2014 · I have a 2002 4. GM has a technical bulletin included in the new cap that speaks of a lack of ventilation which can cause pre-mature corrosion of the cap. started misfiring. One of the most common problems with 4. 7 Vortec distributor? While the 5. Feb 21, 2018 · Couple weeks ago, heater hose busted on rear engine, gave cap good steam bath, replaced cap and rotor, still ran bad, next day replaced int module, engine idled fine. It causes the car engine to run poorly, and the Check Engine light will turn on. 2. I dry out the distributor with hair dryer and it starts. The A/C hose above the cap deposits water on the cap as well on models with the hose routed over the cap. New distributor cap solved it. 3 General Motors Vortec V-6 engine distributor problems. Feb 13, 2025 · The 4. Dec 24, 2017 · Re: Vortec 350 distributor cap life. 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. The distributor in these trucks has an issue where moisture builds up inside corroding How long is the lifespan of a 5. E. Many have suggested drilling holes in their distributors but I would just like to replace the whole system with an aftermarket system and many have suggested a billet style distributor. TSB # 03-06-04-041A The last reason my distributor failed was because of corrosion, and today I had the same misfiring symptoms and trouble code (P0300) as the last time I replaced it. The distributor should be replaced if it is faulty. Water dripping on a hot distributor cap can promote electrical tracking and arcing. Mar 26, 2018 · Join me as I work on an ongoing issue with my 2002 GMC Sierra pickup. Make sure you include the distributor in the list of problems to check when the Check Engine light turns on. Jan 28, 2020 · Never experienced any rotor cap fouling in either my pre Vortec or 2001 Vortec 4. 3-liter Vortec engines is the throttle position sensor and control valve failure. Throttle Position Sensor and Idle Control Valve Issues. com Vents are plugged easily and cause white/brown cap dust, and green/black rotor issues, moisture, gases, corrosion, all directly related to poor running and the P0300 because the distributor cant vent correctly. You're not mentioning oil, so this seems unlikely. Couple days later started her up, missed badly and wouldn't idle Customer: my 1999 express van will not start (no spark) 0n high moisture days. On most distributor caps, the terminals are spaced a minimum of an inch See full list on fixmyoldride. Started misfiring THAT DAY as I drove back to the house to check on my in-laws and older kids. OTOH, if it's just water inside the cap, why are you replacing them instead of drying them Apr 9, 2011 · the moisture problem. Nov 7, 2016 · 1) My second son was born. Apr 25, 2025 · A faulty 5. Cyl 5. 7 Vortec distributor is a dependable and long-lasting engine part, it will eventually wear out and must be replaced like other engine components. A 5. Often accompanied by oil mist making a real mess. Misfire, #3 or 5, can't remember. We would like to show you a description here but the site won’t allow us. Solution: Check that the vent screens in the distributor base have been removed per O. The OE distributor cap is a low profile design which makes it susceptible to this problem. 7 Vortec distributor last? The 5. 7 Vortec distributor is a reliable and durable engine component, but like all engine parts, it will eventually wear out and need to be replaced. Feb 6, 2024 · WHAT ENGINE? Vortec 305? 1. 3L Vortec engine from General Motors has powered countless trucks and vans since the 1980s. . One way to reduce the chance of flashover is to reduce the high voltage requirement of the spark plugs. 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. It recommends taking out the wire screens located somewhere on the base of the distributor. I replced distributor cap severasl times but I still have problem starting on various days when humidity is high. Excessive crankcase pressure (blow-by) forcing crankcase vapors up past the distributor bushings and into the cap/rotor area. Usually a sign of a weak coil with weak spark not self cleaning the terminals or possibly coil to distributor lead energy loss. 7 Vortec distributor can last anywhere from 50,000 to 200,000 miles. While known for lasting over 300,000 miles with proper care, the 4. LOW PROFILE DESIGN The low profile design of the distributor caps for these applications is necessary, as the engine compartment space for the distributor is limited. Corrosion under the cap and plugged vents. The result is tracking inside the cap and corrosion of the cap and rotor contacts. 4. AC Delco and Standard Motor Products caps are identic May 12, 2015 · I have a ski boat with a PCM 2003 GM 5. Let it run for hour, checking for water leak, thankfully none. 3 Vortec engine can develop several common issues like intake manifold leaks and distributor problems. 3 Vortec engine’s throttle position sensors are mounted on the throttle body. Issue: Vents in the base of distributor may become clogged, causing moisture build up in the cap. 7 (350 ci) marine motor that uses the Vortec distributor cap - it is flat and the plug wires come off of the sides. 2) 9 months later, pulling out of driveway for a 300 mile trip with the family. 7 distributor can trigger the Check Engine light to come on. I only get Jul 22, 2022 · How long does a 5. 3 V6. 3L Blazer that also had a misfire and no start condition due to ambient moisture conditions causing flashover in the distributor cap. Depending on how often the engine is used and how well it is maintained, a 5. ruk mcfxvg lauch kugvu rqkqlp hgiywu dwfy mdrsrrqa llcg pchjy