I've been getting a lot of questions on 3116 Cat Diesel Engine problems. The one stumbling block is the tooling you need to repair these model engines. After the basics like fuel supply and electrical issues are taken care of the next step is replacing injectors and other related tasks.
The tools required for tuning up these engines come in a kit and costs over $2000.00 in my part of the world. These tools must be used to get this engine synchronized, timed and set up properly.
If you have access to the tools that's great, a manual accompanies the kit. There is a learning curve with setting up the 3116 but do it once and you'll understand the concepts behind the injection system.
There are glitches with the 3116 are usually the same and I have posted them as they happened on this blog. The exhaust valves are weak and it seems like #5 exhaust valve is a weak spot. Keeping the valves set is a good practice and prevents a tight valve and overheating.
If you use the search box above you can get more details on tune ups and repairs. There are specific rebuild procedures covered as well.
Or you can check all the posts out here:
http://schoolbusmechanic.blogspot.com/search?q=cat+3116
You might have to be more specific with your search i.e "cat 3116 oil pump"
You can always make a comment or ask a question and I will get back to you...
3 comments:
John, I am interested in obtaining a bit more power out of my model year 1997 CAT 3116 175 hp motor, I have seen articles informing me to turn up the fuel by adjusting the fuel screw located between the # 1& #2 rocker arms, do you have pictures of this fuel screw and brief instructions? I have taken the truck to 3 repair shops that claim to know CAT motors and 2 of the 3 swore my motor was computer controlled and fuel could not be adjusted. After hearing this, I told them to go back to school and headed to the next repair center. any help on fuel and timing adjustment would be greatly appreciated. Scott Grasmick email Scott@bayshorehardscaping.com
Do a search for "Cat 3116 fuel setting" and you will see how it's done with the Cat tools(which you need).Your engine would have to be a 3126 Model to be Electronic.
Hi John, can't find any contact info for you but would like to talk regarding the STN EXPO 2010...www.schoolbusconference.com. Look me up, I'm Ryan, at www.stnonline.com. You talked I think before with my former assistant editor David Wegbreit.
Thanks.
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