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


Asked by 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

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 of 2 people found this 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

1 of 1 people found this helpful.

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

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