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Old 01-01-2011, 12:26 PM   #1 (permalink)
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Removing Cummins turbo boost sensor

I've tried to remove the turbo boost sensor and I'm finding that the sockets are not fitting around the sensor because there is not enough room between it and the manifold. Is there a secret to removing it or do I have to have a special tool? I tried to use a tool a friend has that exactly fits it even including the rounded corners and it wouldn't fit.

Thx...
Brandt
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Old 01-01-2011, 04:49 PM   #2 (permalink)
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Cummins has used a number of different 'boost' sensors since 1997. Can you be more specific about what year of engine you are working on?
My 1999 VP44 engine only requires a deep 1.25" socket.
Others require special sensor sockets.
Newer engines have a combination 4 wire intake manifold temperature/pressure sensor that presses into a hole in the intake and then is secured by a bolt.
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Old 01-01-2011, 10:21 PM   #3 (permalink)
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[QUOTE=Robert;12323480]Cummins has used a number of different 'boost' sensors since 1997. Can you be more specific about what year of engine you are working on?

Sorry, I wasn't thinking very well. It's a 2001 and the sensor fits a 1 1/16 socket. I believe the connector is 2wires and it sits just under the intake near the back end of the motor. it fits perfectly in a socket that would also fit a dodge oil pressure sending unit on several cars I've had. I can't find the socket I own and I've tried several others that other folks have. The socket that fit the new one perfectly seemingly won't fit between the sensor and the manifold above it. This is irritating to deal with. What ideas are out there to fix this thing?

Thx...
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Old 01-01-2011, 10:55 PM   #4 (permalink)
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[QUOTE=Strider_aa;12324513]
Quote:
Originally Posted by Robert View Post
Cummins has used a number of different 'boost' sensors since 1997. Can you be more specific about what year of engine you are working on?

Sorry, I wasn't thinking very well. It's a 2001 and the sensor fits a 1 1/16 socket. I believe the connector is 2wires and it sits just under the intake near the back end of the motor. it fits perfectly in a socket that would also fit a dodge oil pressure sending unit on several cars I've had. I can't find the socket I own and I've tried several others that other folks have. The socket that fit the new one perfectly seemingly won't fit between the sensor and the manifold above it. This is irritating to deal with. What ideas are out there to fix this thing?

Thx...
Brandt

If it is only two wires then you are not dealing with the intake manifold pressure sensor. Pressure sensors are three wire. Temperature sensors are two wires.
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Old 01-01-2011, 11:29 PM   #5 (permalink)
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I believe the one on your truck is a either a 32 or 36mm, the newer updated replacement sensors use a 1 1/16" socket.
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Old 01-02-2011, 11:33 PM   #6 (permalink)
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I believe the one on your truck is a either a 32 or 36mm, the newer updated replacement sensors use a 1 1/16" socket.
Does this mean that I have to find a special socket to remove the old one and I can use the 1 1/16 socket to put the new one one?

Thx....
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Old 01-02-2011, 11:39 PM   #7 (permalink)
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It doesn't take a special socket, just a regular deep to get it out, I can confirm what size it is when I go to the shop tomorrow.
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Old 01-03-2011, 10:50 AM   #8 (permalink)
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Just checked, a 32mm/1 1/4" deep will work.
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Old 01-03-2011, 11:20 AM   #9 (permalink)
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you gotta get a thin wall socket also. no thick impact sockets.
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