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Old 11-27-2001, 11:12 PM
psfred psfred is offline
Registered User
Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150

Makes a huge difference -- my 300TE banged and thumped something awful, and stalled all the time until I replaced the idle valve hoses. They were loose on the valve! Rock hard, too.

Clean the idle valve while you have it off -- fill with carb cleaner, shake, and dump until the carb cleaner stays clear. Wear gloves, it contains methylene chloride -- removes all the oils in you skin!

If you've had the idle mixture adjusted recently, you will need to have that re-set, too -- you will eliminate a serious air leak at idle.

1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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