Medium and Heavy Trucks

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Cat man, the 2004 c13 I am doing overhaul out of frame. If I
Cat man , the 2004 c13 I am doing overhaul out of frame. If I remove the bell housing do I have to do any alignment going back together? Also the rear main seal can it be install before installing the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
CATMAN c15 6NZ73202. i replaced 6 injectors because it was
CATMAN c15 6NZ73202. i replaced 6 injectors because it was blowing a little blue smoke in the mornings ONLY. replaced injectors. truck started missing. didnt do it before... uncovered it all and yanke… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Cat Man, I need to overhaul a cat c13 KCB78215. I have done
Hey Cat Man, I need to overhaul a cat c13 KCB78215. I have done a couple c15s with no trouble but this engine is a lot different. Why would the head be so full of carbon buildup when this engine doesn… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a c12 cat serial #9ns03002 I'm trying to remove the
I have a c12 cat serial #9ns03002 I'm trying to remove the injector cups I brought a Monaco tool part number10223 how do you remove and install the cups… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
Cat man please, I am rebuilding my 3126. it has two piece
cat man please, I am rebuilding my 3126. it has two piece pistons in it, I have rebuilt 3 of my 3126 motors. and they have not had two piece pistons. s/n 7as64300 ar(###) ###-####what is the bore id o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a DT466 International engine. I have 279,000 miles on
I have a DT466 International engine. I have 279,000 miles on it. My blow-by at bottom of engine smoke in my opinion excessively. This is a school bus and runs real good. Oil is not old and had service… read more
John Oliver
John Oliver
none
3 satisfied customers
Cat 6nz had block redone deck been machined new cat liners
cat 6nz had block redone deck been machined new cat liners new cat deck plate but all 6 liners below deck plate block cut and new sleeves put in top for seal ring then machined my only thoughts is lin… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Cat Man, probably you remember me, Cat engine 3406
Hello Cat Man, probably you remember me, Cat engine 3406 B with retarder and low oil pressure.Tried a new gauge, but still the same pressure and then we did the inframe. Following specs: Cat engine : … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Cat Man I have a 5EK can you tell me what the ring end gap
Cat Man I have a 5EK can you tell me what the ring end gap should be for each of the rings?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
have a mbn cat just over hauled with gold kit when started
have a mbn cat just over hauled with gold kit when started third or forth time noticed it smoked double checked every thing timing sensors over head adjust let it go any runs great lots of power pulle… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Cat C7 engine just started blowing copious amounts of oil
Cat C7 engine just started blowing copious amounts of oil out of the blowby tube. The engine was rebuilt 300+ hours ago and has had no problems. The engine also does not appear to be running poorly as… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
had 2 seized piston in my N 14 cummins (#5 and 6) in frame
had 2 seized piston in my N 14 cummins (#5 and 6) in frame was done 60000 miles ago aftermarket parts were installed( AFA)oil press is 20 lbs. idleing at working temp and 40 lbs at 1500 rpm, what may … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I just did a major out of frame on a 3406b new oil pump no
I just did a major out of frame on a 3406b new oil pump no leaking on jakes good pressure to the filter but low to nothing oil pressure?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a C7 KAL74033 that is bad. I got a FMM09645 that I
I have a C7 KAL74033 that is bad. I got a FMM09645 that I plan to rebuild to replace the KAL. Should I buy a KAL kit or a FMM kit? What is the difference, Which ECM should I use? Which injectors, I kn… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I am replacing the camshaft on my 98 series 60 detroit
I am replacing the camshaft on my 98 series 60 detroit engine serial 06R0357227 truck VIN WK950268, I am unable to get any instructions on proper procedure..My guy is a Cat mech and not familar with d… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
I need to remove the automatic timing advance unit on a 3406B
I need to remove the automatic timing advance unit on a 3406B (4MG23190) in order to replace the gear plate gaskets. What is the procedure so I don't lose the advance timing? I know how to pin TDC but… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
Excessive oil usage Engine is an Isuzu "E120" Fitted
Excessive oil usage Engine is an Isuzu "E120" Fitted to Prime mover, (Heavy duty) Since we had it rebuilt, reco heads, new liners ( etc the whole works and jerks) It has been using oil, it is not thro… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
getting a hard time installing the piston oil rings into the
getting a hard time installing the piston oil rings into the installation tool to slide into the liner. It keeks tilting to one side or another and breaking the rings. Please help.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

9,647 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

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cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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