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Old 12-14-2008, 07:22 PM
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Join Date: Jul 2006
Posts: 39
Block Heater Install

HI Folks
Can any one tell me how I get the plug in the side of the block below the intake manifold out so I can install a block heater.
I tried to remve it using a 22MM socket and extension bit it would not move I was on it very hard (24" bar) but am afraid of twisting the hex out of it.
Any suggestions?

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Old 12-15-2008, 06:15 AM
hey_allen's Avatar
greasy fingered tinkerer
Join Date: May 2006
Location: Tacoma, WA
Posts: 728
In the many block heater threads I've seen, they have all agreed on the plug being a bugger to get out, and advised on a few days of penetrating oil before hand, as well as possibly requiring up to a 5' (yes, foot...) breaker bar to get them out.

At least one person mentioned being very careful in how you have the car supported, as he was worried about twisting hard enough to push the car off of jack stands.

Best of luck with it!
Testing the cheap Mercedes axiom, one bolt at a time...
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Old 12-15-2008, 09:10 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
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What kind of car are you attempting to install that heater??
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Old 12-15-2008, 01:34 PM
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Join Date: Jul 2006
Posts: 39
It is a 1988 190E.

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