Why does my caterpillar 3406b have low power?
One other problem, maybe the timing advance is slipping internally causing the timing to not advance properly. This should be chacked by someone who knows to to check, repair and retime the engine. Having lots of black smoke and high idle is usually a good indicator that you have a leak. Replace the boots you have coming and time the motor.
How to check the CAC on a caterpillar 3406b?
You want to check the CAC you pressurize it to 35 lbs, start by putting the plug in the right side and pressurizing the system, check the intake manifold, the boots, also the boost guage, and the AFC cover. Plug it at the left side and test the CAC put in 35 lbs air in the right side and read it on the left side.
Can a compression fitting cause a water leak?
First, you should only use compression fittings on stationary connections. Another words, compression fittings do not allow the pipe connected to it to move back and forth. The pipe must remain stationary. If the pipe gets bent back and forth, the compression fitting could eventually spring a leak.
What should I do if my compression pipe is leaking?
Make sure you cut as close to the back of the nut as you can get. After you have removed the nut, take a file and deburr the end of the pipe until it has a smooth finish. Now, you’ll want to take off the compression nut and slide on your new nut, your new ring, and your new seat onto the end of the pipe.
How can I find out if I have a boost leak?
To start your inspection, first take a look at the compressor housing, move towards the vacuum lines next, and work your way to the wastegate controller. Check all the clamps on the way and ensure they are tight and in place and also check for any scratches or cuts to the housing. Still couldn’t find out anything?
Can a diaphragm be replaced on a caterpillar truck?
If so the AFR Ratio diaphragm is blown and will cause your symptoms. This can be replaced with little effort if you know what you are doing, otherwise have a “CAT” man remove, replace diaphragm and reinstall the AFR. They cannot be repaired on the engine.
What kind of engine does caterpillar Pete 379 have?
A 1991 pete 379 with a B model. The truck has unknown milage on the engine. It runs good and has good oil pressure, no excessive blow-by, has a newer head (its rusted and the block,intake, and jakes are not) This is what I know.
How to tell if your caterpillar has a leak?
Having lots of black smoke and high idle is usually a good indicator that you have a leak. Replace the boots you have coming and time the motor. Then see where your at, it could be a bunch of things but timing the motor costs nothing but your personal time and is a good starting point. Let us know how you make out.