![]() ![]() Sometimes when things get tough you need to go with the backup plan. The tool remains on the pipe, don’t forget to take it off before installing a new hose. Pop the tool behind the connector, and then pull of the hose to remove it. Much like a fuel line disconnect, the water hose tool is two half-moons with tabs that slide in behind the connector. Then the connector simply slides off the pipe. The small plastic tool folds around the backside of the tube, and is slid into the connector until the fingers are released. The special heater hose disconnect tool works by releasing the spring fingers on the inside of the connector. You will lose heat inside the cabin, but it will get you home. If this happens on the side of the road, the “get you home” fix is cutting the other heater hose and making a loop at the water pump. When these plastic heater core connectors break, you are guaranteed for a fun time. Take your time and work methodically to ensure the heater core is not damaged. These vehicles are incredibly difficult when it comes to changing the heater core as the job requires removing the entire dash, and is an arduous 8-10 hour process. This is very important- extreme care must be taken when cutting the connector, as too much shaking can break the heater core. If the proper disconnect tool is not available, or if the connector is packed with dirt and cannot release properly, you may have to cut it off. A special disconnect tool is available and usually does the trick quickly when everything is going right. But the real trick is getting the connector off the pipe. The correct replacement plastic heater hose connectors are available from your local NAPA Auto Parts Store, or in an emergency you can temporarily use a basic worm-type hose clamp on the hose over the remaining copper tubing of the heater core. Here’s how to replace Chevrolet/GMC heater hose connectors when the time comes. Instead, you have to remove the remaining plastic connector pieces. Because the connector breaks in the middle, you can’t just simply slide the hose over the heater barb and toss on a worm-clamp. The problem with this is that over time, the plastic becomes brittle and breaks off. These connectors are great on the General Motors assembly line because they require no tools to install and snap into place quickly. All GM trucks, vans and SUVs ( Chevy Tahoe, GMC Sierra, Chevy Silverado, Cadillac Escalade, GMC Savana, etc.) used plastic heater hose connectors (disconnects) for the heater hoses from 1999-2014. ![]()
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