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Discussion Starter #1
First, I'm not new to forums or how they work. I have searched and found a majority of my questions answered. I'm also very mechanically inclined, so most of everything will be done by me.

I bought this truck as a "take to me to work" truck. I'm a safety consultant in the oil field. If and when I do use my truck, it will most likely run the entire day since it will be my office. Gas mileage is not a concern since I have a company gas card. My current truck is a 2007 GMC 2500HD Diesel. I'm selling it as I'm tired of making truck payments. It only took me 31 years to finally decide I would like to own my truck instead of a bank, which leads me to what I purchased.

I had $5k to buy a 4x4 truck. I looked at all makes and models and was drawn to the Titan. I looked up all the flaws and common issues with the early years, so I didn't go into it blind. The truck I purchased is a 2004 CC 4x4 with 190k. It has a leaky PS pump, cracked header(s), white smoke on startup, and stained up cloth interior.

I'm aware of the fixes for everything I listed. I've already purchased and installed new PCV's. I'll be doing an oil change, rear end change, and spark plug change soon.

I'm hoping this truck will last another 100k, but I'm realistic. I would like to know of anything I can do to prolong it's life. I was told not to change the tranny fluid since it's so old. How long are the timing chains good for? Oil pump? Things like this are what concern me.

Thanks in advance and Roll Tide.
 

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Forget the lord. These guys call me the pope. Bless you.
 

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First, I'm not new to forums or how they work. I have searched and found a majority of my questions answered. I'm also very mechanically inclined, so most of everything will be done by me.

I bought this truck as a "take to me to work" truck. I'm a safety consultant in the oil field. If and when I do use my truck, it will most likely run the entire day since it will be my office. Gas mileage is not a concern since I have a company gas card. My current truck is a 2007 GMC 2500HD Diesel. I'm selling it as I'm tired of making truck payments. It only took me 31 years to finally decide I would like to own my truck instead of a bank, which leads me to what I purchased.

I had $5k to buy a 4x4 truck. I looked at all makes and models and was drawn to the Titan. I looked up all the flaws and common issues with the early years, so I didn't go into it blind. The truck I purchased is a 2004 CC 4x4 with 190k. It has a leaky PS pump, cracked header(s), white smoke on startup, and stained up cloth interior.

I'm aware of the fixes for everything I listed. I've already purchased and installed new PCV's. I'll be doing an oil change, rear end change, and spark plug change soon.

I'm hoping this truck will last another 100k, but I'm realistic. I would like to know of anything I can do to prolong it's life. I was told not to change the tranny fluid since it's so old. How long are the timing chains good for? Oil pump? Things like this are what concern me.

Thanks in advance and Roll Tide.
Welcome to the site.
Oil pumps and chains rarely wear out on these trucks, usually other problems kill them first..
 

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Discussion Starter #4
Mkay. I'll go through it and fix whatever is leaking and change out as much fluid as I can.
 

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First, I'm not new to forums or how they work. I have searched and found a majority of my questions answered. I'm also very mechanically inclined, so most of everything will be done by me.

I bought this truck as a "take to me to work" truck. I'm a safety consultant in the oil field. If and when I do use my truck, it will most likely run the entire day since it will be my office. Gas mileage is not a concern since I have a company gas card. My current truck is a 2007 GMC 2500HD Diesel. I'm selling it as I'm tired of making truck payments. It only took me 31 years to finally decide I would like to own my truck instead of a bank, which leads me to what I purchased.

I had $5k to buy a 4x4 truck. I looked at all makes and models and was drawn to the Titan. I looked up all the flaws and common issues with the early years, so I didn't go into it blind. The truck I purchased is a 2004 CC 4x4 with 190k. It has a leaky PS pump, cracked header(s), white smoke on startup, and stained up cloth interior.

I'm aware of the fixes for everything I listed. I've already purchased and installed new PCV's. I'll be doing an oil change, rear end change, and spark plug change soon.

I'm hoping this truck will last another 100k, but I'm realistic. I would like to know of anything I can do to prolong it's life. I was told not to change the tranny fluid since it's so old. How long are the timing chains good for? Oil pump? Things like this are what concern me.

Thanks in advance and Roll Tide.
Just don't take it to a Nissan service dept. They hire garbage "technicians."
 

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That's not my experience. Must be a personal problem.
4 different dealerships, all worthless. Had to take trucks back to all of them multiple times to fix one problem and you're lucky if you don't come out with something way worse.
 

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4 different dealerships, all worthless. Had to take trucks back to all of them multiple times to fix one problem and you're lucky if you don't come out with something way worse.
My dealership has some decent techs. I still do my own work but they are knowledgable.
 

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My dealership has some decent techs. I still do my own work but they are knowledgable.
My chicago dealership sucked, Florida one had a titan specialist, as does one i use in Phoenix. I feel the pain of a crappy dealership though. It was brutal in chicago.
 

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Turbo, don't sleep on the cracked headers. Consider those a priority.
 

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I'd change the tranny fluid if it were my truck...

I change my tranny, front and rear diffs and transfer case every 30,000...
 

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Discussion Starter #12
I would if it didn't have so many miles. I've heard from several people that changing it with so many miles could be bad.
 

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I would if it didn't have so many miles. I've heard from several people that changing it with so many miles could be bad.
That's ludicrous...change that S.H.I.T out.
 

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I would if it didn't have so many miles. I've heard from several people that changing it with so many miles could be bad.
Supposedly, it's not good to do a full line in, line out change. You will need to change the filter and fluid in the pan, at some point.
 

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Discussion Starter #17
I replaced both pcv's. Did my oil change. Next up is rear end and tranny.

Also, ps leak is coming from the rack, not the pump. Is that normally where they leak?
 

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They do leak from the rack. You can get a remanned rack or you can get a seal kit and rebuild yours. Not sure how hard or part numbers, but somebody will come along or you can search the forum for it.

As has been said, get the manifolds fixed ASAP. With the leak, your cats will start to disintegrate and particles will get sucked back into the cylinders, scoring the walls and preventing you from getting the additional 100k you want from this motor. Best fix is through Cajun. No fix is cheap.
 

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Just curious, how does the cat. particles get sucked back into the engine?
Timing overlap between the intake and exhaust cycle.
 
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