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How to change the oil on a 1994 ISUZU NPR dump truck

Need how to change oil and filter on 1994 ISUZU NPR dump truck

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  • debdedo
    debdedo Jan 14, 2013

    this is a diesel engine

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 383 Answers

SOURCE: High mileage oil change for a 1994 Nissan Pickup; what to use?

mkimdaly: There is a product on the market called "Restore" which is an oil additive designed specifically for high mileage engines with oil consumption and smoking problems. Mind you, it will not fix evey situation, but it has resolved quite a few on cars which have come through my shop. "Mechanic in a can".
If I am not mistaken, it is designed to fill in small scratches that may be in the cylinder walls. I also has an effect on lifters and on oil seals. There is also a product put out by "Lubromoly" it is a product made in Germany and you may not find it on the shelves at normal retailers, but possibly carried at repair shops which specialize in imports. I carry this product line at my shop and have had good luck with many of their other products as well. There is a company called "Worldpac" but they only sell to repair shops. The product line I am talking about, I have to buy must be bought by the case.
I am sure there may be other comparable products on the market which you may find at "OReilley's or Autozone. You need to speak to their sales people and possibly ask to talk to one of the people who are at their wholesale desk at the back who may be even more familiar with the products. FOLLOW THE INSTRUCTIONS CAREFULLY! The main reason many products don't seem to work well, is that they are not applied as the manufacturer had instructed in the can and/or box! A product as old as the hills and twice as dusty is "Marvel Mystery oil" I have used it on engines which had little or no compression and pulled the plugs, poured the oil in the cylinders and let it sit over night. I would spin the engine over in the morning to blow the oil out, screw the plugs back in and fire the engine back up. There have been many times than I have had engine regain compression because the oil freed up rings that had stuck to the pistons. This oil can be added to the motor oil and the GAS! As far as the type of oil to use in the engine: It really depends on how well you have taken care of your engine to begin with. If you have done frequent oil and filter changes and the engine is relatively clean inside, I would run a 20W-40 with the additive and in my shop, I happen to use Castrol. Although most premium oils will perform quite well. If you have an engine with a lot of sludge buildup inside it, the sludge is probably the only thing holding it together. WARNING!!!!! DO NOT USE ANY KIND OF ENGINE FLUSH DESIGNED TO CLEAN THE INTERNALS OF THE ENGINE! When I refer to this, I mean a product that instructs you to put it in, run the engine for a while, drain it and then replace the oil and filter. YOU WILL IN ALL LIKELY HOOD DO MORE HARM TO THE ENGINE THAN HELP!
I hope I have answered your question.
Good luck.

Posted on Jul 17, 2009

  • 14036 Answers

SOURCE: need free service manual for 1997 isuzu npr truck

SERVICE MANUALS NOT FREE.YOU HAVE TO BUY THEM.

Posted on Oct 30, 2009

  • 34 Answers

SOURCE: a/t oil temp light come on 1999 isuzu npr diesel

Check your trans fluid and inspect for leaks asap. If level is good and leaks are none to minimal, I would suggest a new trans cooler. Your current one could be clogged.

Posted on Nov 23, 2009

Shorty1_wt
  • 324 Answers

SOURCE: isuzu npr 5.7 gas not starting on its own

sounds like its time to replace the fuel pump.

Posted on Feb 05, 2010

  • 111 Answers

SOURCE: I have a 4HE1TC-N engine

head gasket is the first place i would look. with that many miles the gasket has probably just had enough.

Posted on Dec 21, 2010

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A/t oil temp light come on 1999 isuzu npr diesel


Check your trans fluid and inspect for leaks asap. If level is good and leaks are none to minimal, I would suggest a new trans cooler. Your current one could be clogged.

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