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Old 11-24-2003, 05:08 PM
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Join Date: Apr 2003
Location: Atlanta, GA
Posts: 41
Injector replacelement on 85 300sd

I replaced my injectors on my 300sd, and noticed that after washing the engine, there are little bubbles around the injectors.

When I ordered the injectors, they told me I would have to order heat shields, and that I needed 10mm ones. When I got the parts, the injectors came with them. The ones that came out of the car had a smaller inside hole than the new ones. Would this cause any issue?

Any ideas? Is this common. I tried to clean the holes in the head, and torqued them down to 55ft lbs.

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Old 11-24-2003, 05:31 PM
djugurba's Avatar
say: Jook-Ur-Pah
Join Date: Jun 2003
Location: Lake Boon, MA
Posts: 987
was the engine hot-ish?

did you drive to a carwash to wash the engine? if so the heat shields may have been hot enough to make the water bubble off... I have a bit of that because I have to replace the injector return lines. the little bit of diesel that seeps down hits the hot heat shield/crush washer and cooks off...
my mechanic said it wasnt the crush washer- which was what I was thinking after seeing the bubbling.
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