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Related Medium and Heavy Trucks Questions
I am purchasing a 1998 Sea Ray boat with 3126 Cat Motors. I
I am purchasing a 1998 Sea Ray boat with 3126 Cat Motors. I believe they are 420 hp each. Do these motors have a diagnostic port? If so is it unique to Cat or is it OBD 2? … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
My chevy c6500 has 3126 cat 7.2. It drives good for a few
My chevy c6500 has 3126 cat 7.2. It drives good for a few miles then the chevk engine light flashes on and it loses acceleration. i cannot get over 45 after that. we replaced the air, fuel filters as … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a 1998 gmc top kick with a cat 3126 motor will not
I have a 1998 gmc top kick with a cat 3126 motor will not start unless I manually prime then runs and stalls after the primed fuel runs out sometimes stays running driving tell you take a corner or go… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 3126 and a c-7. 3127 came out of a 2003 6500 and we
i have a 3126 and a c-7. 3127 came out of a 2003 6500 and we put it in a 05 7500 that has a c-7. When we put the wiring and computer out of thr 3126 all the lights in the dash are on and runs like cra… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
2001 GMC T8500 with CAT 3126, intermittent check engine
2001 GMC T8500 with CAT 3126, intermittent check engine light, engine loss of power after running for aprox 1 hours. Can not connect with Prolink Ultra, can not see any modules on the network. No wiri… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Morning Cat Man. on a smaller 3126 Cat. I need to replace
Morning Cat Man. on a smaller 3126 Cat. I need to replace the front main seal. Is there a special installer required? I have the one for the C-15 but im assuming its to large. would you have a part # … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
The speedometer on our service truck maxes out we experience
the speedometer on our service truck maxes out we experience loss of throttle and the scan tool show the transmission down shifting to 3rd gear this happens when truck speed is about 45mph. the truck … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Have a problem with a 2000 gmc truck, 6500, 3126 cat diesel,
have a problem with a 2000 gmc truck, 6500, 3126 cat diesel, allason 545 transmission. diesel engine dies (but restarts ok) when switching gears from drive to reverse or park. engine must be warm. doe… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I am working on a 1998 Gmc T7500 Truck with a V8-6.0L
I am working on a 1998 Gmc T7500 Truck with a V8-6.0L engine. Cylinder heads were removed together with pistons.I need the reassembly torque specifications for the heads and connecting rods. Thanks fo… read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
Cat man please Check engine light is on I have an extended
Cat man please Check engine light is on I have an extended crank about 7 seconds engine starts but is in reduced power mode I believe idles fine accelerates poorly I will not go over 45 does not seem … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Cat 3126 with 10 speed automatic. Good combo in a FL-70 with
Cat 3126 with 10 speed automatic. Good combo in a FL-70 with a 12' Toter home body? will be pulling a 36' fifth wheel trailer weighing about 15k behind it. Heading from east coast to yellowstone, down… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
hello, I have a model year 2000 caterpillar 3126 engine in
hello, I have a model year 2000 caterpillar 3126 engine in my chevy kodiak truck....it had a cold starting problem for a while and it would run rough with a miss until it warmed up....i tried a few th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a 3176 ser.no.9CK31629,what I need to know,can you replace
I have a 3176 ser.no.9CK31629,what I need to know,can you replace the injector sleeves with out removing the cly.head.i have the tool for 3126 & c7.i have replaced a lot of those.I need to know the pr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Hi Cat Man, I am a used Cat Engine dealer, I get about 100
Hi Cat Man, I am a used Cat Engine dealer, I get about 100 calls a week for used Cat and other Diesel engines. Problem I find is that some of the calls are for Machine Engines and I mostly stock Truck… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a 1999 GMC C6500 with a 3126 Cat that will not start.
I have a 1999 GMC C6500 with a 3126 Cat that will not start. Cranks fine, Check engine light comes on and shuts off, has 4000 PSI Hydo pressure and fuel pressure bounces between 20 and 25 PSI at the p… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
hello. i am looking to buy a moving truck. 24/26 ft under
hello. i am looking to buy a moving truck. 24/26 ft under 26k gvw. around 150,000 miles. My options are: intl with 466 engine or FTL with a cat engine (both with 210-225 hp) any recommendations?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Chevrolet c6500: I have a 1998 topkick chevy truck 6500 series
I have a 1998 topkick chevy truck 6500 series 6 speed with a 3126 diesel cat motor,the speedometer,odometer and tach stop working..it runs but sputters going uphills,then it just seems like the pedal … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a 2003 Freightliner with a CAT engine. Model 3126 and
I have a 2003 Freightliner with a CAT engine. Model 3126 and Serial #HEP24920. This problem started about 2 weeks ago. I got in Monday morning to find a light had been left on all weekend, so I jumped… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
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Daniel Wilson

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