Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a Perkins 4.236 in a Hyster forklift. The head,
I have a Perkins 4.236 in a Hyster forklift. The head, injectors, and injector pump have been rebuilt. It has only been started twice since reassembly. It reluctantly starts with great difficulty if t… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Have a c7 cat with fault codes 164 and 42. Replaced wiring
Have a c7 cat with fault codes 164 and 42. Replaced wiring harness on engine and injectors. Still missing and smoking … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 satisfied customers
CATMAN i believe i read somewhere that the C7 injectors have
CATMAN i believe i read somewhere that the C7 injectors have different modes of firing. if so, could you explain that to me??? im sure i have a bad injector causing bad fuel knock, when i cut that cyl… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 satisfied customers
I have a 3126 Cat 8yl95452 in a 2001 GMC 6500 with 195,000
Hi I have a 3126 Cat 8yl95452 in a 2001 GMC 6500 with 195,000 kms on engine. The engine has a intermittent tick noise that is progressively getting worse from first time noticed. It was only noticeabl… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Need info on how to set the timing on a 3056 perkins/cat
need info on how to set the timing on a 3056 perkins/cat engine … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
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
10,244 satisfied customers
I have a 2005 GMC with a C7 CAT. It is skipping. I hooked up
Hello my name is***** have a 2005 GMC with a C7 CAT. It is skipping. I hooked up CAT ET and when canceling cylinders #5 is dead. No codes. Swapped #5 & #6 injectors. Problem stayed on #5 . Any ideas w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 satisfied customers
I have a isc cummins engine # 46832445 i am looking for the
i have a isc cummins engine # 46832445 i am looking for the engine toque specs and valve adjustments… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a c12 cat things I've done replaced cam can followers
I have a c12 cat things I've done replaced cam can followers which number one cylinder was bad as well as lobe on can replaced all injectors did a cylinder cut out test which came back number four not… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 satisfied customers
Cummins dr, I'm in a bind here. Have basically done a
Hi cummins dr, I'm in a bind here. Have basically done a rebuild on an N14 celect plus 500 esn11996517. Somewhere through the repair I lost track of the engine timing. The rocker arms and shafts were … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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I'm needing to know how to time at TDC 1 I have the program
I'm needing to know how to time at TDC 1 I have the program but need to know how to do a cut out test I think there is a bad injector and then I need the over head specs and the order I have to do it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
C12 1YN11287 Truck has a flutter/miss/ grey smoke revving
C12 1YN11287 Truck has a flutter/miss/white grey smoke revving thru the gears or sitting still. Doesn't do it all the time. But acts up most of the time.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Sir how r u i got a c7 acert with problem unable to
hello sir how r u i got a c7 acert with problem unable to turn the engine lift the cover nd found one push rod bend and intake valve bend for same rod rocker can i get assembly and disassembly manual … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 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
10,244 satisfied customers
We have a cat mbn, just overhauled, that slobbers oil out the
We have a cat mbn, just overhauled, that slobbers oil out the exhaust, about a cup per hour at idle. The motor has all new genuine cat parts including head. There is oil in the intake side of the head… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 satisfied customers
on a 2001 western star with a series 60 detroit. Can i get
on a 2001 western star with a series 60 detroit. Can i get the procedure and torque specs for changing fuel injectors and setting the valves?… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
We have a Sterling truck with a CAT C7, we replaced injectors
We have a Sterling truck with a CAT C7, we replaced injectors and cups with CAT rebuilt injectors. The truck was running great and then engine warning light came on. The code was Injector 6 no signal … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,244 satisfied customers
Hello, I need a gen detroit service manual in pdf form for
Hello, I need a gen detroit service manual in pdf form for an inframe job I am doing. It is a 2004 Freightliner w/ egr 14 liter engine ser#06r0748664. If no manual gen torque specs, rod,mains, head bo… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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I am ASE Master Truck Certified.

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

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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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