A shop reportedly quoted close to $25,000 to rework a 2016 Toyota Tundra with about 118,000 miles, a bill built from a replacement engine and a front differential. A second shop found a healthy engine and traced the scraping noise to a slightly bent dust shield, which a screwdriver adjustment quieted. What the truck actually needed was overdue fluids and spark plugs.
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The first shop, which the story leaves unnamed, reportedly blamed leaking head gaskets and valve covers and called for a replacement engine. It also priced a front differential carrier assembly at about $5,700 and said the front CV axle had too much play. Together the work came to close to $25,000, an estimate rather than a final invoice.
The $25,000 estimate: engine, differential carrier and axle play
Jacob Oliva, a senior editor at Autoblog, reported the case on November 2, 2026. The owner is not named, and the account leans on footage credited to Dave’s Auto Center on YouTube, where a mechanic named Dave gave the truck a second look. Autoblog frames the episode as a repair bill that outran the actual problem, and the piece ends with advice for owners rather than a verdict on the first shop.
A swapped engine is not a guaranteed cure on these trucks. Autoblog has separately covered a Tundra whose replacement V6 failed despite looking nearly new and another that gave out after under 15,000 miles. Cases like those are part of why a diagnosis that ends in an engine swap deserves a second set of eyes before any money changes hands.
A bent dust shield found during a four-wheel-drive test
According to the account, the Tundra arrived at Dave’s shop under its own power. The engine sounded normal, the oil level was correct, and there were no major oil or coolant leaks, which cut against the head gasket and valve cover diagnosis from the first shop. Each of those checks removed one reason for an engine replacement: no low oil, no pooling coolant, no abnormal sound. Dave also could not reproduce the front axle problem at first, so the one complaint that remained was something he needed a road test to chase.
The breakthrough came during a four-wheel-drive test, when he traced a metallic scraping noise to a slightly bent dust shield. A quick adjustment with a screwdriver stopped the noise.
His conclusion was that the truck needed preventive maintenance rather than a new engine or differential: fresh fluids and spark plugs that were overdue, jobs that replace worn-out lubricant and restore normal ignition at a fraction of what an engine swap costs. For owners weighing that kind of work on their own trucks, Autoblog keeps a guide to the best spark plugs and a broader piece on keeping a car running for the long haul.
The axle play question and how to vet a large repair quote
The story is not fully closed. Dave planned to measure the front axle’s movement with a dial indicator to find out whether the play the first shop flagged was truly excessive, so the axle verdict was still open when Autoblog published. That leaves the contrast between $25,000 and a screwdriver standing mostly on the engine and differential findings, which the second shop’s inspection did not support.
Autoblog’s takeaways are practical: ask a shop for evidence such as photos and measurements before approving expensive work, pay attention to the symptoms the truck actually shows, and get a second opinion when a quote seems out of proportion. The outlet’s Tundra model page covers the current-generation truck, a different vehicle from the 2016 model in this story.
It helps to line up what each shop claimed against what the second inspection found. Leaking head gaskets and valve covers normally leave oil or coolant residue on and around the engine, and Dave reported no major leaks of either kind. A failing engine generally sounds and runs differently from a healthy one, yet this truck drove in under its own power with a normal-sounding engine. The differential carrier estimate, at $5,700 by itself, was the single most expensive named part in the quote.
The axle is the only piece that stays unsettled. A dial indicator is a gauge that records tiny movements of a shaft or joint, and measuring axle play with one turns a mechanic’s impression of looseness into a number that can be compared with a specification. Had the first shop supplied such a measurement or photographs, the owner would have had something to hand a second shop, which is the evidence Autoblog recommends asking for before approving big repairs.
Two numbers remain unreported: what the fluids and spark plugs cost, and what the dial indicator showed on the axle. Until the owner or the shop publishes those, the real price of keeping this Tundra on the road sits somewhere between a shop visit and the $25,000 first quote.
This article was produced with the assistance of AI and reviewed by Morning Overview editors prior to publication.
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