Vortec distributor moisture problems. We would like to show y

Vortec distributor moisture problems. We would like to show you a description here but the site won’t allow us. E. 7 (350 ci) marine motor that uses the Vortec distributor cap - it is flat and the plug wires come off of the sides. On most distributor caps, the terminals are spaced a minimum of an inch Jul 22, 2022 · How long does a 5. Corrosion under the cap and plugged vents. See full list on fixmyoldride. I was searching a new distributor by GM part # and found two tech tips on this vent screen problem on the vortec distributor. On most distributor caps, the terminals are spaced a minimum of an inch Feb 6, 2024 · 2. How long is the lifespan of a 5. Distributor cap not properly secured to the distributor. Presently has 235,000 miles, runs great until the Q&A: Common 4. 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. Missing rubber seal at the rear of the hood, allowing rainwater/condensation to drizzle down on top of the distributor. Apr 9, 2011 · the moisture problem. Learning about these problems helps you spot early warning signs and avoid costly repairs. 4. Dec 2, 2014 · the moisture problem. It recommends taking out the wire screens located somewhere on the base of the distributor. Water dripping on a hot distributor cap can promote electrical tracking and arcing. . The result is tracking inside the cap and corrosion of the cap and rotor contacts. 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. Fairly small maybe 3/8 in diameter. 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. Common on Vortecs when the plastic hold-down tabs break. to have moisture problems on the 5. 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. Feb 13, 2025 · While known for lasting over 300,000 miles with proper care, the 4. Issue: Vents in the base of distributor may become clogged, causing moisture build up in the cap. com Dec 24, 2017 · Re: Vortec 350 distributor cap life. They hold moisture under the cap causing corrosion inside the little tunnels that are in the cap and on the rotor. Standard protocol (especially in a case like this where the timing is in doubt) is to hook up a scanner that is capable of reading cam retard (the low end scanners won't), and adjusting the distributor until the cam retard is reading 0 +/- 2 degrees. AC Delco and Standard Motor Products caps are identic Sep 15, 2010 · I don't know how you are "resetting" the distributor. Depending on how often the engine is used and how well it is maintained, a 5. 1996 - 2001 are the problem years. The truck has 127,000 miles and is lucky to see 1,000 miles a year these days. 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. 7 Vortec distributor last? The 5. The distributor in these trucks has an issue where moisture builds up inside corroding 998 CHEVY VORTEC 4. 7 and May 12, 2015 · I have a ski boat with a PCM 2003 GM 5. 2. TSB # 03-06-04-041A Jan 28, 2020 · Typically there is a vent screen in the distributor flange that may need cleaned. Have you checked the "Distributor Offset" using a scan tool? When I got my '97, the offset was 29 degrees, when it's supposed to be + or - 2 degrees. 7 Vortec distributor is a dependable and long-lasting engine part, it will eventually wear out and must be replaced like other engine components. 7 Vortec distributor can last anywhere from 50,000 to 200,000 miles. I went through 4 or 5 caps and rotors within 6 months and was getting fed up with the recurring issue. Mar 26, 2018 · Join me as I work on an ongoing issue with my 2002 GMC Sierra pickup. 3. 7 Vortec distributor? While the 5. 3L Blazer that also had a misfire and no start condition due to ambient moisture conditions causing flashover in the distributor cap. 3 Vortec Distributor Problems & Solutions Aug 31, 2020 · The problem I was having was that GM did a horrible job designing the distributors for the vortec engines. I only get Sep 17, 2019 · Since timing isn't controlled by distributor rotation, I wonder if rotor-to-cap alignment problems lead to high firing voltage, lots of ozone in the cap, and misfire. One way to reduce the chance of flashover is to reduce the high voltage requirement of the spark plugs. 3 Vortec engine can develop several common issues like intake manifold leaks and distributor problems. The OE distributor cap is a low profile design which makes it susceptible to this problem. 3 has developed an appetite for distributor caps. 7 vortec. May 14, 2014 · I have a 2002 4. With that plugged whatever moisture or chemical you are spraying gets trapped and burnt over an over. Not sure of the year you have the tbi has a screen and I think the late model has a couple small holes in the casting boss. Nov 6, 2012 · I've got a 99' Tahoe with the 5. 3L V6 might be giving you trouble, but most issues have straightforward fixes. Your 4. A 5. Apparently 01 and up they addressed the issue. Solution: Check that the vent screens in the distributor base have been removed per O. 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. xgqes aeup htji vjnviy pokgd bkbmu mfjz ymimay bksipv lmp