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  #1  
Old 03-29-2025, 06:39 PM
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Road trip-w124

Perhaps I'm crazy, but I am going to take the family across the country and back in my w124 (1990 300d) that I paid 800$ for.

I have put some money and lots of hours in and I think it is close to ready. Just broke the spring for tensioner, and am trying to get one, may have to get the 90$ one on eBay. Just did the water pump (Laso) and xerex g05 coolant. Removed mono wiper from a 93 in the junkyard that was in great shape, took it apart and cleaned and greased it.Mine is slow and smells like burning if you try it below freezing. All fluids except for ps have been changed. new belt, spare alternator in trunk. I will bring tools. The center bearing and bushing was replaced along with rear flex disc. Front looks good. New shock for serp belt tensioner. Shocks are all good brakes are all good with new hoses up front, and fairly new ones out back, tires are all pretty new. Electrical all works well, but no ac.

Anything else I should think about for long distance traveling with these diesels?
thanks!

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  #2  
Old 03-29-2025, 07:25 PM
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Carry a new spin on fuel filter and a can of diesel fuel with you.
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  #3  
Old 03-29-2025, 08:55 PM
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X2 on fuel filters!

Have you taken the car on other long drives, is it used regularly? Front wheel bearings cleaned and packed recently? If yes then you should be fine...enjoy!

I'd check the voltage regulator/brush holder for worn brushes, other than that it sounds like you have covered the important things.
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Old 03-29-2025, 08:57 PM
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Have all your injector line clips in place? Injector return lines (braided) okay?
I always bring a pre-filter and a spin-on.. just watch the fluids
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  #5  
Old 03-30-2025, 01:22 PM
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Great, I have both filters ready. That's a good idea on the fuel, maybe I'll just buy a bottle of additive that I can fill the fuel filter if I have to switch. That's on my list to secure the fuel line clips better, a few of them are not mounted. I have been driving it quite a bit recently, have driven it on 4 hour trips several times recently. Tomorrow I am going to order a spare front and rear wheel bearing. I have never re packed the fronts. I just put the new mono wiper on and it works well.
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  #6  
Old 03-30-2025, 01:22 PM
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and return lines were just done as were glow plugs and relay.
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  #7  
Old 03-30-2025, 01:23 PM
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I've got the spare alternator for the voltage regulator if necessary.
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  #8  
Old 03-30-2025, 02:27 PM
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About the only other thing I'd suggest is lower balljoints if theyre older.. (only use OE) and check both your guibo's.. you should be fine..
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87 300TD VIN 0007 - 298K
93 FUSO FE-HD 15' - 198K
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https://youtu.be/YjrxHqNy5CQ
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  #9  
Old 03-30-2025, 03:00 PM
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If carrying a spare wheel bearing for the front you probably already know this...You'll need an inner bearing and race/cone, outer bearing and race/cone, a front wheel seal and obviously grease. A front wheel bearing dust cover can easily be removed to see how the grease looks.

Enjoy the ride!

How long are you going for? How many miles would you guess?
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  #10  
Old 03-30-2025, 04:39 PM
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Quote:
Originally Posted by engatwork View Post
Carry a new spin on fuel filter and a can of diesel fuel with you.
SOP
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  #11  
Old 04-01-2025, 08:31 AM
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Thanks! I'll check the grease in the front wheel bearings in the next few days.
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  #12  
Old 04-02-2025, 03:35 PM
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Wheel bearings?

Age of battery?

I carried a floor jack and (1) jack stand. Cotton rags, Go-Jo hand cleaner.

What with all the family and luggage weight, I hated how it lowered the rear stance of my '83 300SD.
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  #13  
Old 04-04-2025, 08:12 PM
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The battery is around 5 years old, seems good to go. I secured the metal fuel lines, replaced air filter, and patched a few holes in the exhaust. I am considering bypassing the fuel heater thermostat, since it appears to leak there (but hard to tell because bottom cover and rear of injection pump leaks). Maybe that would make it idle more smoothly too. I am excited to try the new (used) mono wiper I put in. Still have to check the wheel bearings. I am also waiting on a spring for the tensioner which broke last week!
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  #14  
Old 04-04-2025, 08:13 PM
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Yeah, this is going to be weighed down, that spare alternator alone weighs quite a bit.
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  #15  
Old 04-04-2025, 08:25 PM
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If you wanted to lighten it a little the voltage regulator alone is usually the culprit but...

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