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| '85 Chrysler/Nissan SD33 Diesel |
| Author |
Message |
    
Mike
| | Posted on Tuesday, September 24, 2002 - 06:25 pm: | 
|
My SD33 has been a hard starter since I bought the boat a few months ago. Now when it starts it has very low power when put in gear, but revs fine with no load. It ran great a couple months ago when I delivered it to the Central California port, so I'm thinking the problem is in the fuel delivery. I ran it with inadequate filtration for a couple hours, and seems to have brought on the problem. Since the problem developed, I've rebuilt the injectors, installed new glow plugs, but still no power. I've run new fuel lines and added a new filter system from the tank to the pump, and added an electric pump in line to assist the mechanical pump. Question: Is there any way to clean the injection pump without disassembly? |
Paul
| | Posted on Thursday, October 03, 2002 - 03:51 am: |
|
I am curious where you find parts for your engine. I have a Chrysler Nissan MN4-75, 1969. So far the only place I know of is Jesco in Northern California. Any other connections you may have?
Thank you.
Paul |
Andrew (Andrew)
| | Posted on Thursday, October 03, 2002 - 09:20 am: |
|
I haven't used them myself... but I am told that Blue Ridge Marina has Chrysler diesel parts: 800-621-2215
Regards,
Andrew
 |
Frank
| | Posted on Thursday, October 23, 2003 - 12:17 am: |
|
I am not going to be of any help, but I do have a question. I just bought a 1975 North Sea Trawler 26 with a Chrysler/Nissan SD33 and want to install a remote oil filter, instead of the canister now attached. Any ideas, is there a adaptor kit and where would I get it?
Thanx, Frank |
Kim
| | Posted on Thursday, October 23, 2003 - 09:37 pm: |
|
With reference to cleaning injector pumps w/o disssembly: An old salt told me to run the tank almost empty, add a quart of straight weight 30 motor oil and run that thru the system. We had a GM diesel that kept getting harder and harder to start then finally quit. We did as the old guy said and it is purring like a kitten. Service center eas going to sell us a new pump for "only 1400.00" installed. Kim PS After this I also suggest regular doses of a good fuel conditioner, available at NAPA or any parts store. |
dozer
| | Posted on Thursday, April 08, 2004 - 01:00 am: |
|
The SD33 is a Nissan forklift engine. It was also used in the International Scout 4x4, and you can find a LOT of info on that engine if you'll just search the web a bit.
Google on SD33 and SD-33, and Scout too maybe, and you'll find all sorts of maintenance and performance info.
Also call your local forklift-repair place. They'll likely have sources for parts, etc..
Almost all of those "Chrysler" 4/6 cyl diesels of that era were Nissan forklift motors.
The SD33 engine is known for cracking a web in the head, when run hard. If I recall, the NA version is OK, but the turbo'd version had the problem. Just too much power/pressure/heat for the amount of metal there. Again, lots of info about this on the Scout forums.
re: cleaning pump
A quart of ATF in 5-10 gal. of diesel will many times clean up a fuel-system problem. |
Steve Crockett
Visitor
| | Posted on Tuesday, June 26, 2007 - 03:56 am: |
|
could you tell me the max horsepower at RPM of a nissan SD33. Need info to reconfigure my prop.
Thanks |
Sveinn Thordarson
Visitor
| | Posted on Wednesday, August 01, 2007 - 05:00 am: |
|
Take a look at:
http://members.aol.com/EldonMcf/sd33t.html
For the automobile version, but probably still relevant. |
Bill Jones
New member
Username: alakazam
Post Number: 1
Registered: 09-2009
| | Posted on Friday, September 11, 2009 - 11:56 pm: |
|
I am looking for a compression/gauge for my Sd22 engine which is in my sailboat. The injector port size is unique enough that standard compression gauges witll not fit. I am having the exact same problem that MIke is having with hard starting and loss of power under a load. My mechanic thinks it may be a low compression issue. It is almost impossible to get it started cold but when warm starts instantly. If any one has an idea of how I can find a compession guage which fits I will be quite happy. |
Doug Tremble
Member
Username: shakey
Post Number: 32
Registered: 08-2009
| | Posted on Saturday, September 12, 2009 - 06:21 am: |
|
G'day Bill,
Sorry can not help with gauge adapter. To test for enough starting compression add obout a tea spoon of oil into each cylinder via either injector or glow plug port, prior to hitting starter bar engine over to check adequate bump clearance. Hpoe this helps Shakey. |
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