Heater removal

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5eon
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Heater removal

Post by 5eon » Wed Oct 07, 2020 9:20 am

I know there's a heater removal post on here somewhere but I can't find it, can anyone help? I just need to know what I need to do to access my heater matrix as I think it's leaking.



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scimjim
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Heater removal

Post by scimjim » Wed Oct 07, 2020 10:15 am

Remove the dash - unfortunately the car is built around the heater.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), 1400 1600 1800 Zetec ST170 powered SS1 (G97), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre, TI SS1 (snotty), 1600 SS1 (C686CCR).
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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scimjim
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Heater removal

Post by scimjim » Wed Oct 07, 2020 10:18 am

And like a lot of handy info, it’s in the “how-to/FAQ” section.

here.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), 1400 1600 1800 Zetec ST170 powered SS1 (G97), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre, TI SS1 (snotty), 1600 SS1 (C686CCR).
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Coupe Racing
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Heater removal

Post by Coupe Racing » Wed Oct 07, 2020 10:20 am

The matrix alone can be removed but if you want to remove the whole assembly then as mentioned the bulk of the dash and centre console comes out


Blessed are the Cheese makers

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scimjim
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Heater removal

Post by scimjim » Wed Oct 07, 2020 10:55 am

I don’t think you can remove the matrix without removing the heater box.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), 1400 1600 1800 Zetec ST170 powered SS1 (G97), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre, TI SS1 (snotty), 1600 SS1 (C686CCR).
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Coupe Racing
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Heater removal

Post by Coupe Racing » Wed Oct 07, 2020 11:06 am

I did it in the 80's but it took time


Blessed are the Cheese makers

Better to be an hour early than 1 minute late

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scimjim
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Heater removal

Post by scimjim » Wed Oct 07, 2020 11:44 am

Much, much simpler to remove the dash IMO - it would be such a faff getting every screw out to remove the side panel of the box that it’s not worth even trying. I removed one a few months ago and it was an absolute nightmare to get the matrix out - and that was on the bench!


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), 1400 1600 1800 Zetec ST170 powered SS1 (G97), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre, TI SS1 (snotty), 1600 SS1 (C686CCR).
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Terry Rickard
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Heater removal

Post by Terry Rickard » Wed Oct 07, 2020 3:45 pm

SE6/6e/6b/GTC
Drain cooling system and remove the two heater hoses from the heater matrix pipes.
Disconnect handbrake cable so that handbrake lever can be raised as vertically as possible.
Push the two front seats as far back as they will go and remove the steering wheel for better access, but pad top of steering column.
Remove the two screws under each ash tray, two screws in bottom of arm rest cubby box and possibly two screws at front on the sides then remove centre arm rest console.
Undo the two grub screws (small Allen key I think) under the heater control lever knobs/handles and slide off the two knobs/handles. Undo the screws holding bottom of centre instrument console to the gearbox tunnel and the two screws holding the top of the centre instrument console to the underside of the dash crash pad. There may be more screws. Swing the centre instrument console back and to the passenger side and support it out of the way.
Undo the four bolts holding the heater box to the bulkhead and remove the heater unit. At the end of the unit where the heater pipes are (drivers side if RHD) lever off the star-lock washer holding the end of one flap shaft and gently lever the alloy operating lever off the other flap shaft, which is located by a spline; see my article in Slice 295 pages 62 and 63. I also did articles way back in Slice 213, 226 and 278.
Remove the screws on the face and around the end plate at the heater pipes end and remove the end plate then gently pull the heater matrix out of the unit, taking note of the position of the foam padding.
You may find that the foam rubber on the faces (one side on one and both sides on the other) have disintegrated so if in any doubt replace them with suitable modern material (I used pond liner rubber, which is a bit thin, so something else may be more suitable.
Once the heater matrix has been repaired or you have obtained a new one then – as they say – replacement is the reverse of removal – but best to take lots of photos along the way. :)
When you replace the heater hoses connect the hose from top of engine to bottom heater pipe and hose to back of water pump to top heater pipe. This gives better heating and easier venting as air is pushed up and out top of heater.



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