Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I am looking at chaging the o rings behind the injector pump
i am looking at chaging the o rings behind the injector pump of a 1981 3406b motor and want to know the timing info … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I have a cat 3406c serial #8pn12580 pined fuel pump and
i have a cat 3406c serial #8pn12580 pined fuel pump and flywheel housing, replaced gear housing plate gasket. has low power and heavy exhaust smoke, smells like fuel. do you think I have the timing of… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I am trying to find the procedures for timing the fuel pump
I am trying to find the procedures for timing the fuel pump on a 3406B caterpillar with a weighted timing Advance… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Cat 3406b-c,3zj prefix. Rattling noise as rpm comes up. No
Cat 3406b-c,3zj prefix. Rattling noise as rpm comes up. No oil pressure loss. 30-33 at idle 59-60 running down highway. Shinny metal flakes in oil at oil change yesterday. Not a knock it kinda sounds … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I just bought 1989 Pete with a 3406b they had the pump off
I just bought 1989 Pete with a 3406b they had the pump off to rebuild. Put it on smoke white smoke and pops on acceleration. How do I check timing? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
3406. Took feeling jacked her pump out put it back in an
Took feeling jacked her pump out put it back in an shut down light keeps flashing … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I overhauled my 3406b when I put injection pump and timing
Hi Steve. I overhauled my 3406b when I put injection pump and timing advance on should flywheel and pump be pinned ? And timing advance installed loosely ?. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
3406 peec engine serial 4ck23976 removed tiimiing cover and
3406 peec engine serial 4ck23976 removed tiimiing cover and injection pump timed engine and pinned pump now won't start good fuel supply … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Cat 93 3406c peec fuel pump timin point. Peterbilt 377 year
yes putting on timing the fuel pum mark and flywheel and the engine not have pick up don't have power … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Cust pulled injection pump did not align timing, 3406 cat
cust pulled injection pump did not align timing JA: What is the complete model and serial number of your machine? Customer: 3406 cat 6n4913 pump JA: Are you fixing this yourself? What have you tried s… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Have a 3406b that someone removed the injection pump becauce
have a 3406b that someone removed the injection pump becauce the shut off rod in pump was stuck had repair installed pump and smoke bad as you push pedal at ilde ok so I what to check timing do you do… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I have just purchased a t600 kenworth with 1 a 3406b cat in
Hi I have just purchased a t600 kenworth with 1 a 3406b cat in it. Before I got the truck they replaced tho oring at the front of the injector pump because it was leaking oil. when they put it back to… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I am working on a 3406 that the engine and injection pump won't
I am working on a 3406 that the engine and injection pump won't stay in time. We set everything in time using the pin method and then start the truck. It smokes and misses real bad but does stay runni… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I need to pin time my fuel pump 3406 cat id 5kj02083 we removed
I need to pin time my fuel pump 3406 b cat id 5kj02083 we removed the injection pump without timimg it. An now we need to put it back in time i guess u would say the hard way i seen another guys post … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I am working on a Cat 3406C eng sn#8PN09907. Truck is hard
I am working on a Cat 3406C eng sn#8PN09907. Truck is hard starting, once it starts it run fine. Just had injection pump rebuilt with new fuel lift pump. Getting 38psi fuel pressure when cranking but … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I just got a 93 379 pete with a 3406-e engine and we start
I just got a 93 379 pete with a 3406-e engine and we start it But it raves its self really high. What do u think is the problem ? Some people have told me its the throttle position sensor others The t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I have a customer that had ther injection pump rebuild and
I have a customer that had ther injection pump rebuild and replaced it on the truch themselves had out of time I retimed but truck still wants to smoke heavily and skip at startup gets better as it wa… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
1993 379 peterbilt 3406c 480000 miles on it…losing power...just
1993 379 peterbilt 3406c 480000 miles on it…losing power...just being really gutless...we checked the air filter and it doesn't look bad at all...what else could cause the truck to not have as much po… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 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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