Actual diagnostics, oil leak repairs, engine concerns, undercoating work, Subaru repairs, and drivetrain repairs completed by College Highway Auto.
Explore common services and real examples from our shop.
See real Subaru, GM truck, and everyday repair jobs handled at College Highway Auto in Granby, CT.
Diagnosing oil contamination in the radiator on a 2017 Subaru Crosstrek with FB 2.0 engine. Expert engine reseal services in Granby CT and Hartford County including upper oil pan seal replacement and full engine reseal.
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Comprehensive Subaru front frame replacement for severe rust damage. Learn how College Highway Auto in Granby CT diagnoses and repairs frame rot safely and precisely.
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Recent repair job at College Highway Auto in Granby, CT.
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Recent repair job at College Highway Auto in Granby, CT.
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Misfire codes, rough idle, no power? Low compression could be the cause. Granby CT’s College Highway Auto explains diagnosis, repair options, and when to rebuild or replace.
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Rear wheel bearing noise on a Subaru Outback? College Highway Auto in Granby, CT diagnoses and replaces seized, rusty hub bearings the right way. Book today.
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Experiencing a rear axle seal leak? Learn from our Granby CT shop how to diagnose, repair, and prevent rear axle seal leaks with expert insights and local knowledge.
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Following 7–10k mile intervals and 0W-20 can sludge Subaru engines, causing timing faults. Granby CT pros explain symptoms, diagnosis, and safe 5W-30 service.
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Granby CT Subaru specialist: we diagnosed a 2021 Impreza with oil leaks, AVCS timing codes, a broken cam phaser, and upper oil pan seal issues causing oil/coolant contamination. Learn...
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Discover how College Highway Auto in Granby CT saved a customer over $9,000 by properly diagnosing and repairing check engine light and timing codes. Expert VVT solenoid replacement and...
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See recent work from our Granby, CT shop: engine reseals, engine rebuilds, valve jobs, and frame replacements. Learn symptoms, diagnosis, and how we repair it right for Hartford County...
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Leaking or rusty transmission cooler lines on your EJ Subaru? We diagnose and fabricate long-lasting replacements in Granby, CT. Serving Hartford County, Simsbury, Suffield, and nearby.
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Flashing check engine light, no power, and one dead cylinder. Before replacing parts, we tested what was really happening.
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Truck misfire, ticking, or dead cylinder on your Chevy or GMC with a 5.3/6.2? College Highway Auto in Granby CT diagnoses GM V8 AFM/DFM collapsed lifters and VLOM issues the right way.
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Rushed oil change left a mess? We diagnose and fix leaks, stripped plugs, wrong filters, and bad fills in Granby, CT. Careful, honest service that lasts.
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Change your differential fluids in Granby, CT. Prevent costly differential or even Subaru transmission failure. Expert AWD/4x4 service at College Highway Auto.
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Subaru CVT AT Temp or check engine light? We diagnose and replace failed torque converter or AWD solenoids without a full valve body. Granby CT Subaru specialists.
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Subaru Forester cranks but won’t start? We traced a Bank 2 camshaft sensor code to rodent-chewed wiring. Granby CT diagnostics and repair that fix the real cause.
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Severe rust and fluid leaks on this Subaru Outback led to a steering rack and line replacement. Subframe drop required. Granby CT steering repair and diagnostics.
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Granby CT case study: 2021 Subaru Impreza with oil in coolant, VVT codes, and a broken cam phaser. We diagnosed an upper oil pan cross-leak and performed a partial reseal.
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2020 Subaru Ascent FA24 repair in Granby, CT: turbo/manifold removal as one unit to replace intake cam sprocket and reseal the front timing cover. Clear, tested process.
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EGR flow error on a 2020 Subaru Forester solved in Granby, CT. Passages clean, valve OK—corroded harness pins caused high resistance. Precise diagnosis, smart repair.
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Humming or whine from the front end? We diagnose and repair front differential noise and failures in Granby, CT. Clear testing first, quality fixes that last.
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Direct-injected engine running rough? We borescope, diagnose, and walnut blast intake valves for GM and all DI makes. Serving Granby CT and Hartford County.
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Oil and coolant mixing on a Subaru Crosstrek (FB20)? In Granby CT, we diagnose before we reseal. Common culprit: upper oil pan sealing. Full synthetic 5W-30, 3k OCIs.
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Is your vehicle
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GM V8 misfire in 4‑cyl mode fixed in Granby CT. We diagnose lifter failure and perform a full DOD/AFM delete using genuine GM parts. Reliable, local repair.
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Oil in the radiator on a Subaru FB engine? In Granby CT we often find failed upper oil pan seals causing cross-contamination. Careful testing, cleaning, and reseal.
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P0420 on your Subaru? We diagnose before replacing. Expert catalytic converter and O2 sensor testing in Granby, CT serving Hartford County and nearby towns.
View Repair JobSubaru Oil Leak Repair & Coolant Concern & Engine Repair in Granby, CT at College Highway Auto. Real repair example from our Granby, CT auto repair shop.
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Oil in your Subaru’s coolant? In Granby CT, College Highway Auto diagnoses the real cause—often upper oil pan/bed-plate sealing on late-model Subarus—and performs proven engine reseals....
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Subaru knocking? Before you buy an engine, get a real diagnosis. Our Granby CT shop found a loose intake butterfly on a 2019 Forester—no engine needed.
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