Expert Diesel Engine Repair & Cylinder Head Rebuilding in Jacksonville, F
If you’re looking for reliable, high-quality diesel engine repair or cylinder head rebuilding near Jacksonville, you’ve come to the right place. At Automotive Block and Head Welder, we specialize in heavy-duty and light-duty diesel engines — giving you the professional service and craftsmanship your rig deserves.
Why Choose Us for Diesel Engine & Cylinder Head Work
Specialized Diesel Expertise: We focus on diesel engines and cylinder head repair — from cracked heads to full block rebuilds. Our technicians are experienced with gas, diesel, and marine engines, ensuring proper repair, welding, machining, and inspection no matter the engine type.
Precision Work & Quality Assurance: We use industry-standard machining and welding techniques, pressure testing, and quality control to ensure your engine is repaired to factory or better standards.
Comprehensive Services: Whether you need cracked-block welding, head resurfacing, cylinder boring, sleeve installation, or full engine rebuilding — we’ve got you covered.
Local & Trusted: As a long-standing Jacksonville-based shop, we understand the needs of diesel owners and fleet operators in our region. You’ll get honest advice, fair pricing, and dependable turnaround times.
Our Diesel Engine & Head Services
Engine Block & Full Engine Services
- Block inspection, cleaning, and crack detection (e.g. hot-tank cleaning, magnaflux)
- Cylinder boring, honing, and sleeve installation
- Crankshaft grinding/polishing, rod resizing/bushing, bearing work
- Block welding & crack repair, deck resurfacing, pressure testing
- Full engine rebuilds — whether you drive a daily diesel, heavy-duty truck, or marine engine
Cylinder Head Repair & Rebuilding
- Cracked head welding — restoring structural integrity
- Head resurfacing / deck milling for perfect sealing surface
- Valve jobs: seat cutting, guide replacement, valve replacement
- Head pressure testing to ensure no leaks or future coolant/combustion issues
- Complete head rebuilds (for domestic, imported, gas and diesel engines)
Common Diesel Problems We Solve
- Cracked blocks or cylinder heads (due to overheating, freezing, age)
- Head gasket failures — warping, leaks, poor compression
- Engine wear from heavy duty use — loss of compression, oil burning, reduced power
- Cylinder or piston damage from neglect or overheating
- Excessive blow-by, oil contamination, coolant leaks, or structural damage
The Repair & Rebuild Process — What to Expect
- Initial Inspection & Diagnosis — We perform a full inspection, leak test, and pressure test to identify all issues.
- Disassembly & Cleaning — Old parts are removed, blocks and heads are cleaned and inspected thoroughly for cracks and damage.
- Machining & Welding — Using professional machining equipment, we bore, sleeve, resurface, grind, and weld as needed to restore structural integrity.
- Component Replacement & Reassembly — Worn components — pistons, rings, bearings, valves, guides — are replaced or refurbished. We reassemble with precision and care.
- Final Testing & Quality Control — Once rebuilt, engine and heads are pressure-tested and verified to ensure optimal sealing, compression, and performance.
Who We Serve
- Diesel truck owners (pickup trucks, heavy-duty pickups)
- Commercial & fleet operators — construction, landscaping, delivery, hauling
- Marine diesel owners — boats, work boats, commercial marine engines
- Anyone needing diesel engine rebuilds, head repairs, block repairs, or complete overhauls in Jacksonville and surrounding areas
Why Diesel Engine & Head Work Done Right Matters
Diesel engines — especially heavy-duty, commercial, or marine — are complex and used under severe conditions. Poorly done repairs, cheap welding, or partial fixes often lead to recurring problems: cooling leaks, head gasket failure, cracked blocks, poor compression, and more.
With a proper rebuild:
- You restore engine power, compression, and efficiency
- You improve longevity and reliability under load
- You avoid costly repeat repairs, downtime, and engine failures
At Automotive Block and Head Welder, we treat your diesel like we would our own — with attention to detail, quality workmanship, and a commitment to getting it right the first time.
Getting Started: Schedule Your Diesel Engine or Cylinder Head Repair
- Free Inspections & Quotes: Bring your engine or head for a full inspection and honest assessment.
- Ready for Heavy-Duty Jobs: Whether you run a daily driver, fleet truck, or marine vessel — we have lifts, bay space, and experience for serious diesel repair work.
- Contact Us: Call or email to schedule a drop-off or ask about turnaround times, pricing, and what to expect.
Call Today — Let’s Get Your Diesel Back to Work With Confidence.
