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Old 11-23-2003, 10:14 PM
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dmorrison dmorrison is offline
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Join Date: Dec 2002
Location: Colleyville, Texas
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Order for installing evap box in a W123.

I am installing and writing down the order for installing the rebuilt evaporator box back into the 1982 300TD. I have had to go back and move things while installing the box and dash equiptment so I decided to write it all down for future reference and for the forum. I am about 1/2 way thru the job. Box is in and center consol items are starting to be reattached. Below is the list I have created so far. I will update it as I go.
I am currently cleaning and repainting the instrument dash as per Dcraig's post..

http://www.peachparts.com/shopforum/showthread.php?threadid=79346&highlight=needle

Here is the list so far. Some items may not be clear reading the list. But once you have removed everything you will know everthing I am talking about. I have not connected the expansion valve to the evaporator yet, the evaporator is sealed with plastic so I figured I woul dkeep it sealed untill I have the new hoses and am about to seal and evacuate the system. Again its a 1982 300TD.

Installing evaporator box.

1. Attach drain tube to box.
2. Remove left black tube brace if still bolted to firewall.
3. Have all 3 nuts for top mounting studs ready.
4. Install box. Align heater box tubes (3) with firewall holes.
5. Mount 3 nuts at top of evaporator box.
6. Align drain tube w tranny tunnel hole.
7. Tighten 3 top nuts and bottom center support (both bolts, on top left nut make sure black vertical bar is next to the nut, not the firewall)
8. Install Vertical sections of floor heat ducts, screw to floor.
9. Install heater box support straps. Hook top into firewall, route over evap box and bolt to floor (on left side strap goes under black vertical bar)
10. Route center wires thru zip locks.
11. Route last 3 wires going to right side thru right center zip lock
12. Route same 3 wires thru far right zip lock.
13. Route ACC control wires 1-5 and vac tubes thru left zip lock
14. Isolate and use a tie on the dash light wires and acc sockets together
15. Connect left side socket with mate and mount base in hole on evap box.
16. Mount ground for lights on left side on evap box
17. Mount amps on right side
18. Install venturi tube (right side of car)
19. Connect blower motor wire harness to blower motor
20. Connect TEV wires to evap thermostat control
21. Install rubber manifold to evap box top output for center vents
22. Connect left side flex tube for driver side vent ( hold off on right tube until expansion valve and hoses are connected)
23. Install fiber optic spider at center of evap box under ACC switches.
24. Install sealing chaulk on heater tubes going thru firewall on engine side.
25. Attach 3 hoses to 3 heater tubes.


Dave
7709

PS here is the sister attachment with pictures.

http://www.peachparts.com/Wikka/W123Evaporator
__________________
1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car

Last edited by dmorrison; 07-18-2006 at 03:18 AM.
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