Finding vacuum leaks

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-Here's the best way I have found to diagnose bad running engine that may have a vacuum leak;
+Here's a method for diagnosing a bad running engine that may have a vacuum leak:
-(1) get a soldering Propane tank and valve attachment.
-(2) unscrew the end of it so you have a threaded pipe without the nossle
+#Get a soldering Propane tank and valve attachment.
-(3) attach a 2 foot piece of hose to the end
+#Unscrew the end of it so you have a threaded pipe without the nozzle.
-(4) start the engine and let it warm up a bit
+#Attach a 2 foot piece of hose to the end.
-(5) turn on the propane and run the hose all aroung the vacuum lines and the bottom of the carb too
+#Start the engine and let it warm up a bit.
-(6) if the engine smooths out or revs up a bit you have found your leak
+#Turn on the propane and run the hose all aroung the vacuum lines and the bottom of the carb.
+#If the engine smooths out or revs up a bit, you have found your leak.
 PLEASE do this in a well ventilated area due to propane gas and exhaust fumes!!
-Another method. With the car running, using a can of brake cleaner spray down the hoses and vacuum connections. Notice a change in the running of the engine and you might have found your leak.
+Another method:
+#With the car running, using a can of brake cleaner spray down the hoses and vacuum connections.
+#Notice a change in the running of the engine and you might have found your leak.

Revision as of 19:51, 1 March 2007