1999 silverado heater hose broke off in the engine compartment
The hose broke off with about an inch of the plastic tip still in it. how do i replace the fitting without removing the heater/air cond. assembly from inside under the dash? is it possible to remove the rest of the fitting and replace it, i tried pulling the rest of it off but it won't budge, it will turn, but it wont come off
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Re: 1999 silverado heater hose broke off in the engine...
Unfortunatly the short answer is no you cant, Gm and others started making heater cores and radiators out of plastic. The result has been that after the plastic gets hot and cools a few hundred times it gets brittle, hence your problem. Unless you are very good mechanically I would advise letting a pro do it for you.
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Hi. I just had the same issue on my '99 Silverado last week. There are two connections for the heater hoses to the Heater core. One is white and the other is black. The Black one is available at any autoparts store for about 5 bucks but the white one is a dealer only part that the autoparts store guys will say does not exist. That is the bad news. The good news is that you do not need to use the dealer only part. The black fittings worked just fine for me. You will need to use a fuel line disconnect tool to remove the existing fittings from the heater core. These should run between 10 and 20 bucks for a set. Good luck. Joe
RKmastertech is incorrect. That plastic fitting is seperate from the aluminum heater core and can be removed by means of a special quick disconnect tool, like OTC 6046. Rock auto has the fitting for $5 plus shipping, just for a reference.
if the heater core inlet pipe broke you may need to replace the unit depending on how far it broke ...to help get the hose off a bent awl or sometimes a small screwdriver and run it around the inside of the hose to help loosen it it otherwise if your replacing the hose as well a razor knife you can cut a **** in it to open it up as well