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  #1  
Old 04-23-2008, 06:18 PM
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Engine Swap

I'm in the process of doing and engine swap in my 300D.

I've begun frantically disconnecting everything connected to the engine. Is there anything that I could possibly miss? This is the first time I've done this.

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Old 04-23-2008, 06:48 PM
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Oil pressure line, ground strap, alternator wires, Vacuum shut-off line,...
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Old 04-23-2008, 07:00 PM
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as many engines as I have pulled and put in, even in the same car sometimes I always seem to miss something. Dont get in a hurry just move it an inch at a time and watch for things. even if you have everything disconnected things have a way of snagging and getting broken if you move too fast.
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Old 04-23-2008, 07:03 PM
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On the first one I did, the oil pressure line wouldn't come out (12mm) of the filter housing so, being in a hurry, I cut it. Big mistake, new one was $50, next time I cut it lose at the instrument cluster.
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Old 04-23-2008, 07:35 PM
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Quote:
Originally Posted by Stevo View Post
On the first one I did, the oil pressure line wouldn't come out (12mm) of the filter housing so, being in a hurry, I cut it. Big mistake, new one was $50, next time I cut it lose at the instrument cluster.
already went through a brake booster line, same way...



ground strap...yep, woulda forgot!



anyone else have and swap experiences?
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Old 04-23-2008, 07:47 PM
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I'm doing this on my 300D too. PS lines, vacuum pump, fuel lines, exhaust pipe, flex disc...

My Haynes manual actually came in very handy for this. I don't trust myself to think of everything that needs disconnecting.
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Old 04-23-2008, 07:50 PM
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Pretty simple on the old diesels. I missed the ground strap on my first one, just go slow.
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Old 04-23-2008, 07:54 PM
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Red face

Quote:
Originally Posted by babymog View Post
Pretty simple on the old diesels. I missed the ground strap on my first one, just go slow.
it's a 92 (w124)



little more cramped in the bay...





Radiator and shroud are pulled. Flex disk and mounts by the end of the week.
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Old 04-23-2008, 08:21 PM
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This link might help: http://mb.auto.pl/wis/w124/CD01/Engine/602_603/01-2400hx.pdf
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Old 04-23-2008, 08:23 PM
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My first pull was my '87 300D/124, one more cylinder than yours, but it went okay with the trans attached. Be sure you have a cherry-picker with a lot of lift to get over the radiator shroud, the car will need to be up a foot or so to clear the tail-shaft.

Pulled a 603 from a '91 SDL today, spent about 8hours from start to finish including chatting, lunch, and running home for tools. I cheated though, cut the radiator top brace out.

There just isn't that much attached to these engines, not like pulling a '90s Japanese gasser. Take lots of pictures and make lots of notes, the difficult part is when you have the engine back in the hole and aren't sure where a vacuum line goes.
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Old 04-23-2008, 08:25 PM
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Quote:
Originally Posted by lietuviai View Post
THANKS!
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Old 04-23-2008, 08:28 PM
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Old 04-23-2008, 08:31 PM
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Quote:
Originally Posted by babymog View Post
My first pull was my '87 300D/124, one more cylinder than yours, but it went okay with the trans attached. Be sure you have a cherry-picker with a lot of lift to get over the radiator shroud, the car will need to be up a foot or so to clear the tail-shaft.

fan shroud and radiator are removed


cherry-picker is far larger than needed.
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Old 04-23-2008, 08:44 PM
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Large is good, extend the legs and boom, the extra lift is good to have. Do you have a "leveler" so you can tilt and level the engine as you pull it? I didn't on my 124, big pain as the engine came out at about a 30*-40* nose-high angle to clear the transmission, but then to get the tailshaft over the radiator upper support it had to go sky-high. A leveler would have saved me some grief.

The inner-firewall aluminum shroud on the passenger side is good to have out, gives better access to the exhaust. Easiest to remove the flex-pipe from the turbo, the exhaust gave me more trouble than anything, next most was getting the driveshaft free from the transmission. Watch for those transmission wires!
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Old 04-23-2008, 08:52 PM
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I will have a leveler or whatever you call the tilting attachment for the picker.


I'm NOT looking forward to the flex disk, as I dont have a car lift and I hate working upside down...

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