i have a 1986 560 sel, wiit many engine vacume leaks.


Asked by danodean Oct 11, 2010 at 05:12 PM about the Mercedes-Benz 560-Class

Question type: Maintenance & Repair

an estimateted repair of 1,997.00 , by an euro repair center for specifed areas , injector vaccum rail & throddle body plate, way to much money for me! any suggestions.  

3 Answers

Jeff Leeper
Not Active

You can find vacuum leaks by idling the engine and spraying carburetor cleaner along the intake manifold and accessories, listen for any changes/roughness in idle as you spray, they denote spots where leaks are.

2 out of 2 people think this is helpful.

thanks for the info this process worked great found multiple leaks i removed the intake manifold and replaced averything rubber or plastic, so now it runs better but it still slowly increases idle up to 1700 rpm, any ideas

Jeff Leeper
Not Active

Try disconnecting the battery for a full minute. The computer may need to reset and re learn the fuel tables

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