Medium and Heavy Trucks

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Ever since I had my c15 accert overhauled and added cats
Ever since I had my c15 accert overhauled and added cats heavy haul tune I can only get 40 psi of boost at best and it use to run 50 + I had it dynoed we got 442 to the ground after new fuel pump and … read more
Kent Van Wagner
Kent Van Wagner
40 satisfied customers
I WAS WONDERING IF I MCAN GET AN OIL FLOW DIAGRAM OF AN C 13
HELLO ***** IF I MCAN GET AN OIL FLOW DIAGRAM OF AN C 13 ACCERT ENGINE KCB33355 THANKS ADAM … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a 2005 pete c15 mxs that we inframed less than 20k
I have a 2005 pete c15 mxs that we inframed less than 20k miles ago. It has low oil pressure at idle when hot 25-30lbs you have to bump it up a couple hundred rpms to get to 40lbs and under a load it'… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I am trying to find the engine family# on my cat c-15
I am trying to find the engine family# ***** my cat c-15 Accert … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
Having a nightmare situation with 2008 peterbilt 388
Having a nightmare situation with 2008 peterbilt 388 crankcase pressure warning light. Took truck to Cat they said it was the crankcase filter, replaced it. Code cleared and on my way i go, code comes… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Cat man, 2004 peterbilt c13. Has water in the oil. What's
Good morning cat man, 2004 peterbilt c13. Has water in the oil. What's the best way to determine if it is the oil cooler. Also can the air compressor cause this problem? Thanks… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
2005 cat c15 msx 16613 twin turbo 1.250 million miles. Truck
2005 cat c15 msx 16613 twin turbo 1.250 million miles. Truck has been pushing coolant since Nov 2014. Changed head, head gasket, air compressor, air dryer, engine fan. Was told liners, pistons, inject… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Okay still having problems with my c15 avert. Pulling good
Okay still having problems with my c15 avert. Pulling good boast 40-50 pounds. Seems slow and it falls on its face even pulling that much boast it's and 2007 peterbilt… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I have a c15 acert serial number mxs rates at 550 hp. The
I have a c15 acert serial number mxs rates at 550 hp. The motor has a cold skip that goes away when water temp reaches about 150. The engine was platinum overhauled by thompson caterpillar. It also re… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Catman, I asked you a question a few weeks ago regarding
Hey there catman, I asked you a question a few weeks ago regarding a “crank but no start” problem on a cat C15. It seems to be happening again. The truck in question is a 2007 peterbilt 379 (674827) c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
. Just rolled 1.1 million miles on my 475 hp acert in
Hello. Just rolled 1.1 million miles on my 475 hp acert in an 05 pete 379. I bought it at 570k miles from my dads rigging company in CA. It has been a VERY reliable engine for me. I have several ???s … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Mr. Cat Man, I have a peterbilt with a C15 accert. Im trying
Mr. Cat Man, I have a peterbilt with a C15 accert. Im trying to connect with cat et and im getting an error saying check the cable and connectors between RP1210 compliant device and the ecm. I have ch… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I am working on a sdp acert engine. Turbo boost not reaching
I am working on a sdp acert engine. Turbo boost not reaching max. Sometimes it will reach 40psi and drop back to about 32 psi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
buddy. im completing an inframe on a c15 accert. i cant
buddy. im completing an inframe on a c15 accert. i cant seem to align the timing mark on the cam gear with the mark on top of the housing. it lands on either side of it. ive installed a rebuilt head a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
Hi. I have a couple of questions on a Cat engine Serial # *****
Hi. I have a couple of questions on a Cat engine Serial # ***** Could you please provide me with The torque for the rod bearing cap bolts? This is the first pan I have pulled off one of these and didn… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a 05 625 cat accert and having low power issues. We
I have a 05 625 cat accert and having low power issues. We had a ECM writer program the ECM for performance. We've installed a fass system and per the ecm writer backed the vva's of a full turn. I'm b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
I had a dyno done on an 08 C15. Blowby at 1900 RPM was 9 (in
I had a dyno done on an 08 C15. Blowby at 1900 RPM was 9 (in H20) At 1700 RPM it was down to 6. 1300 it was 4. Is this normal? Also, the dyno had HP and also a C_VPwr. I know this is corrected HP, but… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,647 satisfied customers
i ihave a 89 peterbilt with a 3406B cat engine overhauled 95k
i ihave a 89 peterbilt with a 3406B cat engine overhauled 95k ago. Before the rebuild the truck had a slight vibration at idle but went away when i would bump the idle up around 900rpm. the truck idle… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
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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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