Question about 1998 Chevrolet K1500

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How do I replace the heater core in my 1998 Silverado k1500?

I am planning to replace it because I seem to be losing a little coolant over short periods of time and I also hear water rushing under the passenger side of the dash board when the motor revs under normal conditions. Not at highway speeds but as I take off from a dead stop mostly.

The manual I have calls for removal of the dash board and removal of the steering column. Is this really necessary to get it done?

Also, if this is one of those things simply better left to the dealer, what is the typical bill on something like this?

Thanks

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I had the same problem. everybody wanted $400 to $600 to re-place. The core only cost $45.00. Go to the passenger side and look at the core cover. It looks like an oil pan. If there are screws around it,un-do the screws and the bottom of the box comes out and there it is. It took me 20 minutes to change. don't be afraid to open it. if there are screws ,there's 6 you can get at,but there's one in the back on the left hand corner that's a little tough to get at. good luck john

Posted on Jan 04, 2009

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THE BILL ON THIS WOULD BE PRETTY EXPENSIVE,BUT IT IS NOT REALLY THAT HARD TO DO.FIRST REMOVE THE STEERING COLUMN AND UNPLUG THE WIRES ON IT.SET IT OUTSIDE.THEN UNDER THE BOTTOM END CORNERS OF THE DASH YOU WILL FIND TWO BOLTS THAT ARE 13MM BOLTING THE ENDS OF THE DASH.REMOVE THOSE.REMOVE THE 4 OR 5 SCREWS ACROSS THE TOP OF THE DASH AND PULL THE DASH BACK INTO THE SEAT.YOU WILL THEN BE ABLE TO GET TO THE HEATER BOX.THERE SHOULD BE A DOOR WITH A FEW SCREWS IN IT TO REMOVE ON THE HEATER BOX THEN YOU WILL SEE THE HEATER CORE.YOU WILL NEED TO REMOVE THE HEATER HOSES ALSO.REVERSE FOR INSTALLATION

Posted on Jan 03, 2009

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