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I have a 3406 cat. Where do I install block heater? Serial
I have a 3406 cat. Where do I install block heater? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
After oil change on my 3406 cat mold, I away leave my oil
after oil change on my 3406 cat mold, I away leave my oil filter lose so I can make sure my water cooler is working ok, but this time there is no oil coming out, can you please help me. thank you sir.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
My Cat 3406b sat all winter but when I checked the oil today
My Cat 3406b sat all winter but when I checked the oil today it had antifreeze in the crankcase. It ran strong during harvest last fall with no signs of this problem. Is there something that could hav… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,299 satisfied customers
I have a 3406 CAT its losing power, motor runs smooth,
I have a 3406 B CAT its losing power , motor runs smooth, sometimes when you decelerate engine will cut off and it takes a couple tries to restart. The turbo has a built in boost control could it be a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
I have a 3406 E CAT engine. It runs good but after a couple
I have a 3406 E CAT engine. It runs good but after a couple hours it will shut down while its idling… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
1995 k t 800 cat. fan only works manually we install new
1995 k t 800 cat. fan only works manually we install new thermal switch and solenoid problem still there need help. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Looking for the placement of the barometric pressure sensor
Looking for the placement of the barometric pressure sensor on my 1998 3406 … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,299 satisfied customers
I have a 3406 drained 1.5 gallons of coolant from engine oil
I have a 3406 drained 1.5 gallons of coolant from engine oil drained oil. Pressure tested system no coolant from drain plug or from oil filter adaptor pressure tested at 15 psi.left it sit overnight c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
Excessivy blowby oil coming out tube n fill cap, 3406 cat
excessivy blowby oil coming out tube n fill cap JA: What's the make/model/year of your truck? Engine type? Customer: 3406 cat 2ws seris JA: Are you fixing your truck yourself? What have you tried so f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
I have a 3406 e model cat motor turns but wont start without
i have a 3406 e model cat motor turns but wont start without either . pulled plug out of cam censer and will start with either also both hooked up and unhooked it takes a while but starts right up and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
3406 cat engine in 379 peterbilt needs rebuilt. was
3406 cat engine in 379 peterbilt needs rebuilt. was wondering if anyone can help me figure out which one i have because it does not appear to be the arriginal engine and all the plates are not on the … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have a truck with a 3406 Cat which is running rough. you
Hello, I have a truck with a 3406 Cat which is running rough. you can see oil and fuel it seems leaking out the turbo and exhaust piping. It runs like it has lost an injector. There are no codes on th… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
How do i check to see if boost diaphram is leaking on cat
how do i check to see if boost diaphram is leaking on cat 3406 truck runs fine but lost power… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
3406 cat has lots of blow by @ dip stick , breather vent
3406 b cat has lots of blow by @ dip stick , breather vent and under acceleration it will blow the oil filler plug out of valve cover ... its oil is milky but not alot of water accumilation in the oil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
I have a 3406 E caterpillar engine I am losing 3 to 4 gallons
I have a 3406 E caterpillar engine I am losing 3 to 4 gallons of oil a day do to blow by I am NOT burning oil I do not have enough pressure anyone into blow my dipstick tube outI am at a loss what the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
Cat Man - Hope youre staying warm. I have a bunch of engines
Cat Man - Hope you're staying warm. I have a bunch of engines I need exhaust flow rate, exhaust temperature, DPM emission rate and maximum allowable backpressure. They are: Model Serial# 6.6 66604755 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
Ive got a 3406 in a 1989 ih 8300. my air compressor had been
I've got a 3406 in a 1989 ih 8300. my air compressor had been acting up, not pumping at all, then after awhile it would work. I put a new governor on it and that didn't seem to help. then I replaced t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
I am working on a 3406. It lost two lifters and got the cam.
I am working on a 3406. It lost two lifters and got the cam. We dropped the oil pan and found the remains of the lifters, but in addition we found what appears to be three needle bearings. They are ap… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,066 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,066 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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3,400 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

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cumminsdr

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Chris (aka-Moose)

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dieseldan55

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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