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Related Medium and Heavy Trucks Questions
I HAVE A CUMMINS ISX, IT WAS LEAKING FUEL IN TO THE OIL PAM
HI, I HAVE A CUMMINS ISX , IT WAS LEAKING FUEL IN TO THE OIL PAM I BRING IT TO THE SHOP AND ALL INJECTORS O RING WAS REPLACE AND NOW STILL SENDIN G FUEL TO THE OIL, MY CUESTION IS THE FUEL PUM CAN SEN… read more
Roy Belding
Roy Belding
7,581 satisfied customers
I am getting coolant in the fuel, I dont have tank heaters
I am getting coolant in the fuel, I dont have tank heaters or a davco heated filter housing. Everything I am reading is saying injector cups, but the contamination happens when the motor is running wh… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Engine serial # 7AS47185 when engine sits for extended
Engine serial # 7AS47185 when engine sits for extended period of time 4-8 hours it misses and puffs out a little blue smoke on start up. It only does it for about 30-40 seconds and it clears up and ru… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I am rebuilding the 3116. I bought new injectors. I took the
I am rebuilding the 3116. I bought new injectors. I took the head to a very large machine shop and instructed them to install new injector cups and pressure test them. This engine does not use a compr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I am going to install 6 new injectors. I removed the
I am going to install 6 new injectors. I removed the cylinder head. I had the injector tubes replaced by a machine shop. Now the injectors are not a press fit. The injectors do not seal against the tu… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Paccar mx13 in 2012 KW has fuel in coolant. 2012 KW T700
It's at experienced diesel mechanics shop who says injector cup but I am told Paccar cups are built into the head. … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
4,023 satisfied customers
3126 cat engine - diesel getting in radiator ?? 3126 cat
3126 cat engine - diesel getting in radiator ?? JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment Mechanic I'm going to connect you with know… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
10,241 satisfied customers
I have a 2000 Freightliner with a 3126 Cat motor in it. I
I have a 2000 Freightliner with a 3126 Cat motor in it. I think we had a freeze up about a week ago and then started the truck. The heater was not putting out warm air so I know there was a problem. i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
My 3406E is getting coolant in the fuel? Would this be the
My 3406E is getting coolant in the fuel? Would this be the injector cups, or a cracked head maybe?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Pulled Injector right bank engine to replace injector o
Pulled Injector right bank engine to replace injector o rings as suggested but injector hole full of diesel pulled second injector an fuel leveled off but still has a good amount of fuel in holes… read more
Dan
Dan
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We have a 1999 Chevrolet C6500 with a caterpillar engine.
We have a 1999 Chevrolet C6500 with a caterpillar engine. There is diesel in the coolant. Are you familiar with this engine and do you have any ideas of what may be wrong?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
I have a 3126 Cat engine. I am getting a lot of fuel in
Hi. I have a 3126 Cat engine. I am getting a lot of fuel in the coolant. Enough that it is pushing fluid out of the over flow. Do these engines have injector cups? Any other ideas on how fuel gets int… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
I have Detroit s60 it mixed diesel in the oil panel I takes to the sh
I have Detroit s60 it mixed diesel in the oil panel I takes to the shop they removed all 6 injector and they said number 2 is bad they change number2 and the put the rest back in with new o ring start… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Out of ideas one! I have a 1999 IH 466E and I am getting
Out of ideas for this one! I have a 1999 IH 466E and I am getting engine oil in the fuel tanks. Have pulled injectors and put new seals on, (old seals had only 15K miles on them and looked in great sh… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Hi. I have a CAT C-13. Twin turbo. My questions are related
Hi. I have a CAT C-13. Twin turbo. My questions are related to the Injector cups. I have the tools and have done quite a few on earlier 3406E engines. Just wondering what tools are needed for the C-13… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
99 Chevy C6500 3126 7AS31663 stalled while driving , cold start
99 Chevy C6500 3126 7AS31663 stalled while driving , cold start would fire right up notice lately would take a little longer to fire up on hot starts. Spins over but no start where do I start… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
I have 1997 3126 cat engine rebuilt,it is down on power since
I have 1997 3126 cat engine rebuilt,it is down on power since getting all back together, first found o rings missing on 3 injectors, had the injectors cleaned and replaced one with a remanufactured on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
catman,your the best,once again im having issues on the 04
catman,your the best,once again im having issues on the 04 chev c6500 3126 cat. either its bad o-rings on the injectors again or the cups or o-rings below the injectors. i know before you said a bad h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,241 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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I am ASE Master Truck Certified.

Wayne

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

Jeremy

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Curtis B.

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

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Chris (aka-Moose)

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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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