New to me Disco with some questions (videos attached)
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Three Wheeling
Joined: Oct 2018
Posts: 53
Likes: 16
Great suggestions! Thank you.
Im going to try to trace wires this weekend to see what’s the deal with the abs sensor.
I have no heat eat by the way. Thought it was a clogged heater core but now I’m thinking otherwise.
I had had purchased everything to flush the system and was going to do that to see if it fixed the problem.
I honestly have no clue if that valve is open or closed. It seems very hard to turn. I think it will back out fairly easy but I’d need to release the pressure in the system or risk a geyser of coolant.
So moving forward...
1) does the valve look open or closed?
2) which hose is it on? Supply or return?
3) if the heater core is faulty, easy fix for a diy?
Thanks again.
Im going to try to trace wires this weekend to see what’s the deal with the abs sensor.
I have no heat eat by the way. Thought it was a clogged heater core but now I’m thinking otherwise.
I had had purchased everything to flush the system and was going to do that to see if it fixed the problem.
I honestly have no clue if that valve is open or closed. It seems very hard to turn. I think it will back out fairly easy but I’d need to release the pressure in the system or risk a geyser of coolant.
So moving forward...
1) does the valve look open or closed?
2) which hose is it on? Supply or return?
3) if the heater core is faulty, easy fix for a diy?
Thanks again.
Recovery Vehicle
Joined: May 2009
Posts: 1,191
Likes: 28
From: Charlotte, NC
Yeah that looks like the PO bypassed the heater core. Replacing that is a big job but I managed to DIY a few years back. Not as intimidating as it may seem. You may want to remove the heater hoses off the back and run your garden hose through it to confirm leakage. There are a few threads on replacing it and I myself have added plenty of commentary to aid in replacing this part.
Not only would it have coolant in it but it would be under pressure with the engine running because it is on the return line, so I doubt you have a leaking heater core because it would be leaking now. It most probably was just installed to reduce the heat in the cabin. You can try to open it or replace it or swap in a splice bushing/fitting.
Recovery Vehicle
Joined: Oct 2013
Posts: 962
Likes: 90
From: Southern OR
Don't be scared, grab a hold of the tee fitting and back it out counter clockwise. You can check for heat in the hose by grabbing it when the motor is warm, if it's really hot on both sides of that valve, then it's on. Right now I bet one side is cool and the other is hot. So what if your heater core leaks, you got to fix something to get a heater don't ya??? lol Oh, welcome to the forum!
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Three Wheeling
Joined: Oct 2018
Posts: 53
Likes: 16
The heater valve could have been placed there to prevent the leakage as Richard said, although I kind of doubt it because just one valve would prevent circulation but not leakage due to pressure. The PO probably put it there to prevent circulation to improve the AC efficiency, are you in a hot climate? I have considered doing a similar thing on my Rover to prevent hot coolant in the passenger compartment in the summer (you kind of have to live in the very hot south to understand). I wound up short circuiting my heater hoses during the some one year. I kind of like it actually, I would leave it if it is not causing problems, although you should do the test Richard suggested.
I HAVE HEAT!!
So I googled the heater valve and found that it is common on square body chevy trucks. Even has an AC Delco part number. Based on the pictures and diagrams I saw, I decided to back the threads out and low and behold it was shut and not open. Left the heater running for a few mins and no leaks. Tons of heat though. I'm going to leave the valve on for summer.
So I'm still going to be tracing wires for the ABS sensors this weekend. I'll keep you all updated.
I also had my AB front bumper delivered yesterday. Kids loved the huge box. lol
Thanks!
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