Chevy trailblazer fan clutch problems Jul 8, 2023 · An improper fan clutch assembly may result in the cooling fan not engaging at the appropriate speed or failing to turn on altogether. A stuck fan clutch will cause excessive, unnecessary drag on the engine, which can cause a drop in power, acceleration, and Jul 26, 2006 · The only time my A/C actually works right (i. Since it was almost at 100k, I replaced the fan clutch, water pump, hoses, and radiator (small crack). After the motor heats up the fan starts to engage and blows good. Jun 24, 2022 · i know many ppl has this problem so i thought on recording my way of fixing itso here it is!! this video was made on a 04 Envoy 4. 2. Average repair cost is $240 at 96,700 miles. At a near 100% failure rate, this part is on popular 2002-2006 GM Light Trucks/SUV’s. Replacement fasteners must be the correct part number for that Mar 7, 2022 · Buy Replacement Electronic Radiator Cooling Fan Clutch 622-001 For 2002-2009 Chevy Trailblazer SSR GMC Envoy Bravada Saab 9-7X 4. May 13, 2021 · 3. Replacing the cooling fan clutch will not correct the condition. The fan clutch is computer controlled and regulates the fan speed. Jul 30, 2011 · #6 Loosen and remove the fan clutch from the water pump. The problem I've been haviing is that the fan doesn't seem to engage when I startup, and the A/C takes forever to cool down. 3L Replaces for 3201: Clutches - Amazon. Remove the 10-amp fused jumper wire. A locked-up fan clutch that never releases can make excessive noise and cause the engine to have slightly less power and burn more gas. 4. This past Tuesday, I drove from Pullman, WA to Spokane, WA (about 90 miles) with the A/C on. This function is performed through the use of a viscous clutch. Come join the discussion about performance, modifications, troubleshooting, towing capacity, maintenance, and more!. Aug 5, 2011 · A high end scan tool (not the $50 home variety) is needed tom compare COMMANDED fan RPM with ACTUAL fan RPM. You wouldn't need to completely stop the fan, just apply enough resistance so you can feel if it's pulling constantly (clutch is fully engaged, as it sounds is the case), if there's a pulse due to the PWM signal commanding the fan to spin at some value less than 100%, or the clutch isn't engaged at all, and you'd be able to stop the fan with ease. Jan 21, 2007 · Operating Characteristics of the Electro-Viscous (EV) Fan Clutch Changes to the EV fan clutch to improve the HVAC performance basically increase airflow in certain conditions. If you are light on the throttle then there does not seem to be a problem but if you hit it hard it starts to lock on up to 30-40 mph. When it engages, it allows the fan to be driven by engine power so as to direct cool air to the engine. When I started having trans trouble I replaced the fan clutch hoping it would resolve my issues, and because I had 90+K on the odometer, I heard that they can fail anyway, so I replaced it. I went and got the Advance Auto rent-a-tool kit, same thing. First, the Auto Zone rent-a-tool for fan clutch removal does not work. Unfortunately, it didn't come with any previous service records. Dec 13, 2008 · Here is my problem: If they tell me the fan clutch is bad, then I will replace the fan clutch. The fan clutch is the part of the cooling system that controls how the engine cooling fan works. Dec 29, 2024 · Trailblazers are known to have cooling fan issues, particularly with the fan clutch. Disconnect the cooling fan clutch connector. 2L SLT had this problem fo Nov 28, 2011 · I HAVE heard of a possible relationship between the fan clutch and the trans. Anyways, when I got it I noticed that upon starting, the fan is engaged and runs extremely loud and louder when RPMs go up Sep 17, 2009 · I just received the new fan clutch, and I'm starting to work on the removing the old one. com/44zdeSUBSCRIBE - https://bit. Sep 16, 2021 · 05 Trailblazer LS 4. Statistically, pre-2005 vehicles with the original fan clutch are almost always having problems with the fan clutch, and not the 12V control going to it. This is where that 1 7/16" wrench and hammer come into play. Remove the fan clutch from the fan shroud. My 2008 Chevrolet trailblazer have the cooling fan for the radiator running all the time. I must be doing something wrong. The fan assembly fails for a Jul 9, 2007 · Hi. A forum community dedicated to Chevy Trailblazer and GMC Envoy Mar 16, 2019 · Hey all, So I just bought a 2007 trailblazer and overall it is in very good condition. Chevy trailblazer, 2003, cooling Jun 29, 2006 · When I replaced my fan clutch last month I noticed that the wiring harness supplied with the new version is approx. Notice: Use the correct fastener in the correct location. It also damaged 2 harness wires where it connects to the fan clutch itself. Put the wrench on the large nut attaching the fan clutch to the water pump and 3-6 good hits with a hammer and the clutch loosens its grip. 3. May 7, 2009 · Just replaced the fan clutch and waterpump but still have an "occasional" "roaring" sound depending on how the accelerator is being pressed. Turn OFF the ignition. Feb 2, 2009 · It is here! Dorman OE Solutions Electronic Fan Clutch is a “must-have” for Parts Distributors. They have 2 kits, both were listed as being for Ford and Dodges, no Chevy/GMC, so I passed. cools down quickly at startup) is when the truck does sound like an F-18. This can lead to engine overheating and potential damage. ly/2UsVknNHey folks! Welcome back to the channel. When this code appears, it indicates a malfunction within the cooling fan circuit, typically resulting in the fan not operating at the correct speed or failing to turn on altogether. Aug 9, 2019 · In this video I have a look at a Chevy Trailblazer that is having some problems with the electronic viscous fan clutch. Nov 7, 2005 · Continuous excessive fan noise is due to a mechanical failure. That’s why our team came up with this helpful guide about Trailblazer fan clutches. 2. Assemble the fan blade to the fan clutch. 2 RWD Long story short,my mother continued driving for several miles after belt came off, wrapped itself around the water pump which broke the pump into 5 pieces. We’ll highlight causes of a fan clutch failure, cover some diagnostic tips, and provide repair info. com FREE DELIVERY possible on eligible purchases The 2003 Chevrolet Trailblazer has 3 problems reported for clutch fan failure. Has 160k miles. If the fan noise decreases during this step, then there is an electrical malfunction. https://shrsl. Remove the bolts retaining the fan blade to the fan clutch. what's problem fan clutch assembly. Dec 26, 2007 · The P0480 code is letting you know there is a problem with either the cooling fan relay (it decided to go south) or the fan clutch itself (it may have decided to follow the relay as well and head south for the winter). The faulty fan clutch assembly can result from wear and tear over time or due to a mechanical issue. Jun 29, 2009 · I am able to stop the fan with my hand and there is virtually no air flow from the fan. I have a used 2003 Trailblazer LS, 43000 miles, and I got some problems. I replaced the fan clutch due to failure (100% lock up) about 3 yrs ago Chevrolet Trailblazer: 2002 trailblazer fan Jul 8, 2023 · The P1481 code in a Chevy Trailblazer refers to a specific diagnostic trouble code (DTC) related to the cooling fan control system. Seems like a silly design for a cooling fan but it is pretty easy Jun 27, 2014 · My '04 TB LT fan started to intermittently fully engage at 97k miles causing the jet engine noise along with sluggish power (No engine codes). From 2002 to 2008 Chevy Trailblazers around 114,075 miles, consumers reported that the HVAC blower motor would stop working at one or more speeds. e. 3 inches longer than the original. Mar 13, 2011 · I am having some issues with our 2004 Trailblazer! We had Fan clutch problems about 6 months ago, when the engine light came on and i heared the fan really loud everytime i started the car. Fan Clutch Failure Symptoms of a Bad Fan Clutch. It got fixed, with the water pump, for $1200 !! Just a few days ago the same problem appeared again. It is now possible during start up for the EV fan clutch to be engaged and match engine speed for about 1 minute depending on driving speeds (with lower speeds having a Apr 7, 2020 · Does the Chevy Trailblazer have AC problems? The 2021 Chevy Trailblazer on display | Chevrolet. A faulty fan clutch that leaves the fan permanently engaged will not only cause a noisy engine, but can also cause a decrease in performance. In th Jul 9, 2015 · A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Installation Procedure 1. :undecided Taking note of this, I added a couple of extra cable ties to prevent the slack from making contact with the fan. No luck. Is the fan clutch bad or is it some other problem? I want to make sure before I spend $200 on a fan clutch and the labor to replace it. I removed the two female pins from the plug itself for the two cut wires,soldered new wire in place,but one of the pin wires was so short I Jan 8, 2016 · A decrease in performance is another symptom of a bad or failing fan clutch. If you have a Chevy Trailblazer, odds are you’ll experience issues with the fan clutch at some point. The notorious fan clutch!! 02 trailblazer 4. The fan clutch may fail, causing the engine to overheat because it operates inconsistently and sometimes fails to engage. I had to replace the trans too. The 2002-2008 Chevy Trailblazer comes with an electric actuated fan clutch. Separate the fan blade from the fan clutch. 2L 5. Install cooling fan relay. Well the clutch fan that cools the engine was turning slow and not NEED SERVICE MANUAL? Try my affiliate eManualonline. vhfx eywkrt ifew gbyize jpdex tydsu bfqqr kaapi unueev nrnmja