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I am looking into buying a 2006 kenworth 900L. It has a mxs
Hello! I am looking into buying a 2006 kenworth 900L. It has a mxs C-15 acert EPA 04. A FRIEND OWNS THE TRUCK NOW, the engine just had a platinum rebuild with paperwork and 3 year warrenty. I have hea… read more
NicholasM1019
NicholasM1019
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Vocational, Technical or Trade School
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I have a c16 CAT I just left the dealer from putting in an
I have a c16 CAT I just left the dealer from putting in an oil cooler, 45 mins into the ride oil temp and water temp are running higher than normal operating temp. Only running a load weighing 19k it … read more
Wayne
Wayne
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Just had a water leak did not have any heat temp got to 220
just had a water leak did not have any heat temp got to 220 before i could shut it down is motor ok ? 02 6nz … read more
Keiphun Sowell
Keiphun Sowell
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Engine not running right im getting codes 46,38,32,26,14 on
Hi engine not running right im getting codes 46,38,32,26,14 on 6nz cat could it be one thing causing them all?… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2003 379 c15 6nz. My oil tempos at 220 with a new
I have a 2003 379 c15 6nz. My oil tempos at 220 with a new teltek gauge and sensor. My water temp shows around 220-225 when working the motor is working hard. I thought it sounds high. Have new thermo… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2003 Pete 6nz CAT. 26 months/$21,000 spent trying to fix.
2003 Pete 6nz CAT. 26 months/$21,000 spent trying to fix. Erratic power drop / high coolant temps. After 10 hrs driving it starts to run somewhat better with coolant temps controlled to normal … read more
Daniel Wilson
Daniel Wilson
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Looking for Cat Man on this one. If I had a 2004 KW T-800
Hi. Looking for Cat Man on this one. If I had a 2004 KW T-800 with a C-13 in it, and I wanted to put a 2004 C15 (6NZ) Motor into the KW. What are the chances the ECM Plug on the OEM Side will connect?… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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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
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Cat c15 sdp05927 Doing a complete rebuild right now, truck
Cat c15 sdp05927Doing a complete rebuild right now, truck is deleted and I am physically removing all components during the rebuild.My question is, can I remove the intake pre cooler? My truck hauling… read more
Cat Man
Cat Man
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2000 GMC T7500 w/cat engine as previous question asked, Ran
2000 GMC T7500 w/cat engine as previous question asked, Ran ok -let it sat for 8 hrs and would not start!!! Engine cranks normal speed,removed hose @ intake and sprayed starting fluid and it will star… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I truly don't think this is a question which can be answered
I truly don't think this is a question which can be answered without more in depth diagnostics. but here I go (the short version) I bought another truck, 2003 379x Pete, C15, 6NZ, 18 speed … read more
Doug Barnowski
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On August 23 ask you. I rebuild a engine c15 cat 6NZ w/
On August 23 ask you . I rebuild a engine c15 cat 6NZ w/ original parts but same injectors not to old about 6 months or 60k miles and the turbo is the same old and miles before of inframe the motor go… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2009 peterbilt,it is wanting to build pressure in
I have a 2009 peterbilt,it is wanting to build pressure in the overflow tank.I changed the radiator cap,the hose between the radiator and reservoir is not plugged,I bypassed the precooler between the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hoping Cat Man can help here. I have a C-15 cat 6NZ. It had
Hi Hoping Cat Man can help here. I have a C-15 cat 6NZ. It had 800,000 KM on it and developed a miss and started pushing oil out of the breather tube. Tore the engine apart and found cyl.#3 was severe… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs great with no water or oil loss since an out of frame 115,000 miles ago. Since the rebuild it's ran hot. I've replaced the radiator and th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Cat Man, I'am working on a twin turbo Cat engine serial
Cat Man, I'am working on a twin turbo Cat engine serial number BXS05167, the check engine light was on I scanned it and it came up as code 95 so I replaced the IVAP sensor and the light went out. Afte… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,341 satisfied customers
cat man I have a turbo question. I have two c15s one in a
cat man I have a turbo question. I have two c15s one in a flat top pete that we rebuilt in the spring and the other in a midrise that we just rebuilt. Both are 6nz motors. the one in the spring we put… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,341 satisfied customers
Hi i got 03 peterbilt with cat c15 6nz serial number had oil
Hi i got 03 peterbilt with cat c15 6nz serial number had oil in coolant changed water pump and thermostat by than we saw oil cooler is dirty so i changed that to after 2 weeks i see again little oil i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,341 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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