C26 D3 Timing Belt Kit 31359568

J

Just Right

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Sep 3, 2020
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Fluid Motion Model
R-21
Vessel Name
Just Right
I have a 2013 D3 200 HP with 400 hrs. I am trying to locate timing belt kit 31359568. I have searched on line and cannot find one in the states. Any suggestions would be greatly appreciated.


Thanks
 
I have discovered that that the following part numbers interchange . 31359568, 31258305, 30731772. Local Volvo dealership has the 30731772. Hope this helps anyone getting ready to perform the service .
 
Update for last post. Dealership had part number 30731727 not 30731772 which is for a gas engine. 3 numbers in previous post are good numbers for D3. I found the kit Suncoast Diesel Marine in Florida.
 
Just Right,
I've found this website, https://www.marinepartsexpress.com/VP_Schematics/ , to be extremely helpful in locating parts and part numbers for my Volvo D4. Their schematics make it easy to search out and order the right parts.
Hope it helps!
Terry
 
Thanks

I’ll bookmark that site.

Britt Jones
Just Right
 
When I owned the C26 with D3 220hp I used https://www.googleadservices.com/pagead ... Qx6BAgEEAE. They stock most components and I believe they're an official distributer for Volvo Penta. I looked at the parts schematic and they do not stock the Timing belt kit. It is requires purchase from a Volvo Dealer. The Marina that I store my boat at is a Volvo Penta dealer. The parts department there can usually locate any Volvo parts that are available in the US. Spring Brook Marina. The Web site that I posted still shows 31359568 as the kit number. It must not be updated yet to show the superseded new part number that Britt posted. Britt one of the many positives of the Cutwater C26 replacing the belt is not that bad to get to. If you remove the step ing into the cave and unscrew the hatch and remove it at the door there is plenty of room to work.
 
The kit that I received was 31359568. Brian you are right about working room. Everything is pretty much accessible. The only thing is that there is not enough room to get a cordless impact on pully nut. I will have use the crankshaft locking tool and breaker bar.
Britt
 
Completed timing belt project. Not a bad job. You will need Volvo crankshaft locking tool along with a long breaker bar. I used a 25 in bar. I used a short piece of pipe on locking tool to reach stringer. I put a 3/8 in thick rubber pad under block of wood to support locking tool with pipe extension. Pay close attention when putting new belt on because it is pretty easy to be one tooth off. Also a good time to change impeller because you have to pull apart water pump so that the locking tool can pass by in front of pump. You have to remove idler as well. Torque specs 18 ft lbs idler, 20 ft lbs tensioner, 26 ft Lbs plus 50 degrees on four pulley bolts and 220 ft lbs crankshaft pulley nut(30mm)

Hope this helps


Britt
 
Thanks for posting the information. There are a lot of Tugs and Cuts that are ready for timing belt replacement. Unless you did a lot of cruising since I met you at KingFish. Your engine was not due for belt change because of hours it was do because of marine age. This is a good proactive approach to save the engine from a major failure. The belt change is not required until 1400 hrs or 8 years. My personal opinion if the engine/boat has been used in salt water and has lower hours on it I would think about replacing the belt a couple years earlier. I believe the belt will last longer than the belt adjuster. That is the culprit for failure. I also think that a D3 used in salt water environment with lower hours is more prone to have the adjuster fail. The same goes for the raw water pump belt adjuster. If the boat has ever had or shows evidence of high water in the bilge this would be another reason for belt and adjuster replacement. As you stated include the raw water pump and the blocks circulator fresh water pump as part of the project. This will give you several more years of reliability when it comes to theses engine components. I personally have talked to two Ranger Tug owners that lost their D3 engine do to a failed timing belt/ It actually was not the belt that failed it was the tensioner and the belt jumped a couple of Cogs ( teeth ) One of the two had just made the trip from Carablle Fl to Clearwater Beach Fl doing an over night crossing during their Loop trip. After staying at Clearwater for a few days they headed south in less than an hour the engine died and would not turn over. They were towed to a marine service facility and found the engine was destroyed. The belt had jumped a tooth (Cog) The engine had under 1000 hours. They had owned the boat for about 4 months. That was a 150 hp D3 in a R25SC I suggested to him to replace the engine with a D3 220 hp. This would require a different reverse gear but would make for a nice running R25SC.
 
I was concerned about the age of the belt. The engine had 67 hrs when we bought it 1 1/2 years ago. It now has 393hrs. The engine looks brand new so no corrosion issues. The idler did have grease coming out of bearing. I had already changed tensioner on raw water pump when we got the boat. It looked brand new but was seized. The plastic sleeve in the idler looked swollen. I think someone had sprayed some type of lubricant in the idler. My experience with making parts is that some plastics will swell when exposed to lubricants. My plan is to service belt, tensioner and idler at 8 years or 1000hrs. I will inspect idler and tensioner at 300 hr intervals. Hopefully this will keep out of trouble.
Britt
 
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