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#1
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300sd extra firewall? How to remove?
I am planning to replace heater hoses and hoses to the windshield heat exchanger before they break. It looks like I will need to remove the extra firewall between the engine and the conventional firewall. How is it removed? I do have the CD service manual. Could anyone point out which section deals with the firewall? Or is there a way to remove and replace heater hoses without removing the extra firewall? Thanks.
85 300sd. |
#2
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There is a removable section of that firewall....right in the middle. I believe two screws will allow you to lift it off. No big issue. I'd definitely recommend it for any work between the two firewalls.
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#3
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Quote:
Here is what I did: 1) remove the firewall panel 2) remove the clamps on the three hoses going into the passenger compartment 3) remove the clamp from the hose leading from the metal pipe to the aux water pump 4) remove the electrical connectors from the pump and the monovalve. 5) remove the screws holding the monovalve and the pump in place. 6) remove the pump/valve/hoses assembly. The hose going to the pump runs through a small hole in the extra fw. It is a pain to get it to go through that hole. 7) replace all the hoses off the car, rebuilding the pump/valve/hoses assembly 8) replace the assembly, forcing that damn hose through that damn hole! put it all back together. Make sure that you replace the small hose going from the pump to the valve... I did not do that the first time of course it blew immediately afterwards...
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad Last edited by LUVMBDiesels; 12-04-2007 at 07:51 PM. |
#4
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I'd put that back on, a lot of water and junk can get in there if its not in place. They made it that way for a reason....
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#5
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I know... I will probably get to it this weekend now that I have been reminded of it
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad |
#6
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ya all just HAD to go and mention the heater hoses there didn't you... NOW you know what will start leaking tonight right?
Roy, are you listening? send me a set of hoses for here please...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#7
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I have to pull them all out this weekend to replace my aux water pump.... Not looking forward to it, but I am looking forward to better heat in the car....hopefully my repairs/improvements will give me back my heat!
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
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