Zerk Fittings on 2500 HD

SpaceCoastTony · December 23, 2025

Im blown away with how many service reps / dealers dont have a clue about greasing the front end zerk fittings on the 2500 HDs. Thank goodness the dealers 1 "Diesel guy" knew . Why is this? Id imagine most folks dont know so they dont ask for it etc?

newdude · December 23, 2025

1 hour ago, SpaceCoastTony said:

Im blown away with how many service reps / dealers dont have a clue about greasing the front end zerk fittings on the 2500 HDs. Thank goodness the dealers 1 "Diesel guy" knew . Why is this? Id imagine most folks dont know so they dont ask for it etc?

99% of the rest of the GM lineup doesn't use them anymore, so the lube techs are often blind to them. The 1500's haven't had fittings since 2019. The 2007-2018 1500s they only used fittings on the outer tie rod ends and everything else was sealed.

Other HD trucks on the market (Ram and Ford) don't have any to begin with either, so nothing to grease on those. GM is the only 3/4 and 1 ton truck left with grease fittings on front suspension components.

SpaceCoastTony · December 24, 2025

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yea , I understand that but the 2500/3500 still have them and i just felt more than 1 person at a dealership should know this... at least the service rep had a good attitude about it and said he learned something new . Hes been there 5 years tho..

Chuck FB · December 26, 2025

On 12/23/2025 at 5:57 PM, SpaceCoastTony said:

I haven't been bringing my chev 3500 to the dealer or anywhere else for that matter for service since I prefer to do my own oil changes and greasing so I know its been done and I know what oil actually went into the engine etc and that no one had "checked" my air filter for example and loosened the intake duct hose clamp off or stripped out the screws that hold the cover on into the plastic housing below, or installed the filter sloppily and is now allowing dirt to pass by the filter for example ( l live on a gravel road in a rural farming area ... I farm after all ). I just don't trust some of the staff that work those bottom of the barrel positions in the lube bay.

Service reps are typically not mechanics and they are reading what is in front of them on their computer, I am sure some have quite a bit of knowledge but there would be enough of them that certainly wouldn't have a clue. So then it comes down to the person in the lube bay and how the shop itself views the whole thing, do they credit the lube tech for doing a grease job on an HD truck vs a 1500 that has no zerk fittings .. good question. Certainly not every truck owner would even know if their own truck had grease zerks or not because many people do not work at all on their own vehicles and rely on a shop to do it for them and hoping they are doing a proper job of it. I've certainly heard the comment before from GM HD owners clued into the fact that the dealer was not greasing their truck during an oil change and so had asked why not ... the answer in one instance was and of course that would be from a service advisor was "oh that's not part of the oil change package".

So the long and short is one has to know for one thing that those zerks exist and then each time one would bring it in if it was a GM dealer or some other shop, to specify and have them put that in writing in their system that the customer wants all steering/suspension grease points greased. Then look after the fact to see if anything was done, which goes full circle to why I skip all that crap and just do it myself or as long as I am able to anyway.

fondupot · April 27

Serviced my 2024 over the weekend and I hit the grease zerks with a couple pumps each. I try to do them every 10,000-15,000 miles. usually every other oil change.

Made a quick video pointing them out for anyone interested. Hope it helps.