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#1
10-23-2006, 11:21 PM
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Ummmm...Is something missing here? 87 300SDL
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91 350SD 14 F150 Eco 19 Fusion Hybrid 11 GT500 
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#2
10-24-2006, 12:52 AM
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Your overboost protection valve is not in the circuit to the IP. That guys job is to vent boost presure away from the IP if the boost gets too high. It is in hte middle of the line between the manifold and the ALDA on the IP.
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#3
10-24-2006, 05:52 AM
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Typical issue, probably caked up internally with soot and was bypassed. I did it on my SDL until I got a new one.
I'd just get a few used ones from a parts yard
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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]
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#4
10-24-2006, 09:38 AM
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So...do I need it?
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91 350SD 14 F150 Eco 19 Fusion Hybrid 11 GT500
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#5
10-24-2006, 12:07 PM
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Yes, hook it back up. Its your overboost protection.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#6
10-24-2006, 01:54 PM
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Take it off and clean it out before you put it back on. I think I used something like WD40 to clean it out. Watch out though, it will shoot out all kinds of black junk. Kind of like carbon powder. Wrap the whole thing up in a rag before you shoot the WD40 to it.
-Jim
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership.
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#7
10-24-2006, 08:28 PM
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Quote:
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RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport'  ____________________________ FACEBOOK: PANZER450
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#8
10-25-2006, 10:23 AM
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Absolutely! If it clogs up you will not get the pressure signal from the turbocharger to the ALDA to tell it to throw in more fuel. No extra fuel, no extra power.
-Jim
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership.
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#10
10-25-2006, 12:16 PM
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Picture is in the first post
The pressure line on the top of the overboost protection solenoid is not attached. There is a line that runs from the turbo charger to the OB Protection solenoid and then to the ALDA. If pressure gets too high the OB vents to pressure to atmosphere. That takes the signal away from the ALDA. The ALDA quits throwing extra fuel at the engine.
-Jim
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership. Last edited by Jadavis; 10-25-2006 at 01:00 PM.
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#12
10-25-2006, 04:14 PM
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Quote:
 I removed mine 2 weeks ago 
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91 350SD 14 F150 Eco 19 Fusion Hybrid 11 GT500
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#13
10-25-2006, 04:19 PM
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What keeps it from overboosting?
Maybe I need to read up on this...
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership.
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#14
10-25-2006, 04:20 PM
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Quote:
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Linear Mode
