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    Services - Throttle Up

    Metal fabrication

    Commercial truck repair

    Auto battery and fluid recycling

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    Cummins Sales and Service

    Cummins Sales and Service

    3.2
    (18 reviews)

    A bit pricey but you get what you pay for…read more Went to a shop before this and they just took my money without fixing the generator These guys got it right (it's never sounded better) Grateful to have my RV back!

    Same complaint as many others. Brought my coach in for a couple minor issues but mainly the Onan…read moregenerator would not stay running. When it's hot out it will start but then within an hour die. Been happening for about a year, we tested it with the door open and it would run most of the time indefinitely. So anyway when I brought it in I voiced all this too the service advisor. I told him to make sure the mechanic tests it with the door closed because we know with the door closed it's overheating, which is the problem I was trying to solve. They charged me for the technician to look at it and then run it for 2 hours in an air conditioned bay with the door open. So of course it didn't overheat. So they call me and go oh no nothing's wrong. So I question them about it sure enough they ran it under the wrong circumstances. So then the service advisor goes back out turns it back on, runs with the door closed sure enough within an hour it dies. Well long story short almost $700 later they tell me yep it's overheating. Yeah I know that that's why I brought it in, what is the diagnosed issue? We're not sure but we should probably just do a thousand hour service cuz that'll cover everything. Well the generator only has about 850 hours So basically they just wanted to throw parts at it. I can take it to any generator or RV shop and they could do that cheaper than what Cummins would charge. I took it to Cummins for a targeted diagnostics But instead got stuck with a huge bill and no more information than when I brought it in. Second issue of the three issues they fixed.. I have a hydraulic parking brake that's connected to the drive line. They had to repair a hose that was leaking. Well after they repaired the hose they didn't add any of the lost hydraulic fluid into the reservoir. So the very first time I went to put the parking brake on it wouldn't engage. So I'm sitting there at my house trying to call my wife holding the brakes so she can come in hold the brakes so I can go out and diagnose the issue which was the reservoir was low on hydraulic fluid. I honestly didn't bother to call them about anything I mean how can you trust him if they don't even bother to fill up a parking brake reservoir which keeps the coach from rolling away. So don't waste your money going to Cummins thinking they know better, at the 200 plus dollars an hour your not getting any better service than anywhere else.

    La Jolla Mobile Auto & Truck Repair

    La Jolla Mobile Auto & Truck Repair

    4.9
    (277 reviews)

    Are you going to warranty issues that arise to the switching to an oil that would void a mfg…read morewarranty? I bet not! Higher viscosity leads to higher pressures which lead to seals leaking and failing. I'm really surprised you haven't researched this. How about the leaking oil filter a day after install? Seems like a sure way to get more money outta a customer once their engine gets starved of oil. How about the sloppy work with oil left all over my car? Lack of care and integrity. How about the scratches from resting my tires on the paint of my car? Lazy and inconsiderate. Pulled from the article that copied and pasted "Engine Design Changes: Newer Toyota engines are designed with tighter tolerances and specific lubrication needs that necessitate these thinner oils, such as OW-16 or OW-8." Exactly my 2019 Lexus ux250 is a newer Toyota engine if you weren't aware , so why are changing it?

    I have been a loyal customer of this shop for over three years, ever since I purchased an old…read morepickup truck for my teenage son. Aaron and his team consistently deliver excellent service, keeping this 19-year-old truck running reliably. Aaron has always been patient and thorough in diagnosing any concerns I've had, whether minor or major, and he consistently provides the best solutions to meet my needs. He stands behind his work and does not hesitate to make things right--at no additional charge--if an issue is not fully resolved. Aaron is an honest, skilled, and trustworthy mechanic who has earned my confidence and respect. I look forward to continuing to do business with his shop for many years to come.

    Throttle Up - metalfabricators - Updated July 2026

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