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For janky heaters, you'll have to ensure that the cabin air filter (if equipped) and heater core fins are cleaned regularly. You may have to remove the core and blow it out/replace it if it's really bad. Depending on the construction of the heater core, previous mixing of incompatible...

The thing about retrofitting LED lights in a dash cluster is that you're not going to have linear dimming with the dimmer rheostat. But the FL70 will probably never suffer from gauges that are too bright. I doubt there is any aftermarket parts for this. You may even have to graft LEDs to the...

The issue with doing this yourself is occasionally one of the studs on the turbo or exhaust manifold breaks off, and they're a real treat to remove. Sent from my XT1585 using EO Forums mobile app

That is in an area that does not have common leak sources. I'm assuming that's road salt. The passenger side of the engine is where the action is. External head gasket leaks and oil cooler leaks are both common. Sent from my XT1585 using EO Forums mobile app

I think your fan clutch is acting properly. Sent from my XT1585 using EO Forums mobile app

Do you hear the fan clutch engage at all? It will roar. When it's not engaged, it will spin freely. This is probably unrelated to your coolant level issue. Sent from my XT1585 using EO Forums mobile app

The atomizer is leaking. There's a cup seal inside of a fuel pressure regulator that tends to crack. This seal and a related o-ring are now available separately. After they are replaced, but before the atomizer cover is reinstalled, the fuel pressure has to be checked and adjusted, which...

So, P0708 is a range switch open circuit. Replacing the range switch makes sense, as it's a common thing to fail. What I would have done at the same is replace the transmission's internal wiring harness, since they already had the pan off, and the harness is only about $75. The harness does...

I gotta look that code up. Sent from my XT1585 using EO Forums mobile app

Take one of the banjo bolts off of the fuel filter*, get hose off of banjo fitting and put that directly onto the front of the injection pump. *If it has that style. Sent from my XT1585 using EO Forums mobile app

Check the brake light bulbs for broken filaments, check wiring for general crappiness, etc. If there is backfeed into brake light circuits it'll think the brakes are on and prevent acceleration. Sent from my XT1585 using EO Forums mobile app

The hard start and rough idle are likely fuel supply problems, maybe. Several things can cause this. Sent from my XT1585 using EO Forums mobile app

Adjust the brake switch. Make sure the plunger is fully depressed with the pedal released. You can test by lifting the brake pedal gently with your left foot when you accelerate. Sent from my XT1585 using EO Forums mobile app

If the level in the radiator is down an inch, it is low and it will set off the alarm. Make sure the pickup tube on the reservoir cap exists. This sometimes falls off and into the tank. Also make sure the hoses aren't reversed on the cap. Sent from my XT1585 using EO Forums mobile app

I re-read your post. The level in the reservoir rises to a point greater than before and stays there, is that correct? If yes, you have a leak. The leak is small enough not to actively drip, but large enough to allow air to enter the cooling system when the engine is cooling off. The...

Usually it leaks near the green circle, but will occasionally leak externally in the area between cylinders 3 and 4. Sent from my XT1585 using EO Forums mobile app

In 2014 they got DEF quality sensors. For 2011-2013 the truck makes a calculation of DEF quality by comparing the amount of DEF used to the amount of NOx reduction. Check the DEF injector using the DEF addition test function. The quantity should be correct with all three tests, and it should...

These things love to break exhaust manifolds. The 2008-10 trucks were much worse about it though. They're also kind of slow. Definitely test drive it. Listen for sounds of injector failure (nailing, misfire). The biggest problem I have with the 2005 145s is how remarkably ugly they are...

How much coolant do you add per day? Week? If that sensor gets uncovered, the alarm will sound. If gases enter the cooling system, this can happen. I would look for leaks. Common places include the oil cooler and head gasket. Left rear corner, or behind turbo, especially. Also have a...

Around 2000 they world still be the 3126. Pretty sure. The evolution of this engine went 3116-> 3126-> C7. The 3126 was the best of the bunch, but they were still essentially nonrebuildable, since they didn't have removable cylinder liners. And parts are expensive. Sent from my XT1585 using...