AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual

AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual https://www.carmanualsonline.info/img/6/1029/w960_1029-0.png AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual

Page 1 of 5

AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual 24-85
 
     
Intake manifold change-over, 
checking 
      Carry out this check only if complaints of "vehicle 
under-powered" are received.  
      Intake manifold change-over from the "long" to 
"s

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AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual and flow (blockage)   page 24
-111
 . 
     
-  Actuate change-over linkage by hand to check 
change-over system mechanical components for 
ease of movement. 
Pa
ge 2 of 5 Intake manifold chan
ge-over

Page 3 of 5

AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual 24-86
      
Checking vacuum system  
     
-  Start engine and let idle for two to three minutes 
to build up vacuum. 
     
-  Switch ignition OFF.
     
-  Disconnect 2-pin harness connector from i

Page 4 of 5

AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual 24-87
      
-  Check vacuum canister for leaks
     
Vacuum canister should tighten and not 
return to its original position until the vacuum 
is released at the hand pump 
      If vacuum canister r

Page 5 of 5

AUDI A4 1996 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual -  Check vacuum system for leakage   page 24
-111
 .
Pa
ge 5 of 5 Intake manifold chan
ge-over, checkin
g
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