I went into the garage and snapped this pic:


The motor mounts are the silver saucer looking things on the left and right side of the oil pan (to further clarify; one in right side of pic has blue mark on the bottom).

The board was placed between the flat oil pan and jack. I loosened all the bolts (each mount has one top bolt and one bottom), then removed and replaced one mount at a time, which kept the engine from straying too far left or right in the engine bay.

-John

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1986 190D, 2.5L, 5-speed swap, 180,000 Miles (60K by me).
Jeep CJ-7 with Cummins 4BT/NV4500/AtlastII 4.3.
Grand Wagoneer 4BT project in progress!

When do you guys recommend replacing them. My engine is quiet but shuts down with a sort of clunk. 107k E300D
Steve

take a look at them, if they look cracked or very dry(dry rotted) replace them.

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have no worries.....President Obama swears "If you like your gun, you can keep it

the engine has to be raised up. so yes you do need to jack it up from below. as said before, make sure you use a board to distribute the weight. when using the "L" shaped allen keys on the small allen bolts you will have enough clearance. you can do like dieselcj and do one side at a time (easier, but less room to undo bolts) or you can undo both sides. you will have to line the big 8mm bolts up by moving the jack back and forth and side to side. JUST MAKE DAMN SURE THE SMALL ALLEN BOLTS HEADS ARE CLEANED OUT BEFORE TRYING TO UNDO THEM

__________________
have no worries.....President Obama swears "If you like your gun, you can keep it

I've seen a few invoices locally of some dealer work... I laughed at the price.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

Visually mine looked fine, leveraging with using a pry bar between the crossmember and engine mount arms was inconclusive.
They appear not to be like traditional mounts where there is physical separation; here they flatten out and lose cushion.

BTW, I witnessed the same amount of engine movement shifting between R and D, with the old mounts vs. new… the difference was cushioning.

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1986 190D, 2.5L, 5-speed swap, 180,000 Miles (60K by me).
Jeep CJ-7 with Cummins 4BT/NV4500/AtlastII 4.3.
Grand Wagoneer 4BT project in progress!

the engine movement will usually stay the same. if you have real bad vibrations check the engine shocks too.

__________________
have no worries.....President Obama swears "If you like your gun, you can keep it

Where are engine shocks?

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1986 190D, 2.5L, 5-speed swap, 180,000 Miles (60K by me).
Jeep CJ-7 with Cummins 4BT/NV4500/AtlastII 4.3.
Grand Wagoneer 4BT project in progress!

they should be located near the mounts

__________________
have no worries.....President Obama swears "If you like your gun, you can keep it

looks like this

Attached Thumbnails

 

__________________
have no worries.....President Obama swears "If you like your gun, you can keep it

I have a 83 300 SD and need to replace the mounts. Were do u place the jack and the wood on the engine? Thanks

Bottom of the oil pan...slightly favoring the front

Its a lot thicker than you think...

I just ordered a new set of motor mounts for my 96 E300D-108k. They should be in next week. The car vibrates in reverse and idle a lot and I think this should fix it.
Steve