Posted on 5/17/2023
Here we have a 2002 Audi A6 Quattro with a 2.7L V6 Bi-Turbo suited with a manual transmission with 260,000 miles on the clock. This car had a coolant leak between the engine and the transmission right above the rear main seal, both turbos leaking oil and one with a cracked wastegate seat, valve covers leaking, power steering fluid leaking, exhaust rotting away, and many other issues. This poor Audi was still going with the owner topping off fluids weekly as needed until the starter decided it was time. After putting it on the lift and seeing where the coolant leak was, the customer agreed with the technician that the starter would be easier to do with the engine removed, which was the only way to be able to change the bad turbos and fix the coolant leak. After removing the engine we gained access to the rear main seal and the coolant jacket above it which was also leaking, as well as now being able to replace the bad turbo. Having the engine removed made refreshing this ... read more
Posted on 3/15/2023
Here we have a 2012 Ford E-350 Super Duty with a 6.8L V10 that was having multiple cylinders misfiring. After checking for the basics, air fuel and spark all were working as they should. Checking compression showed the engine was having issues in the cylinder sealing d.epartment. Our technician Pete then performed a cylinder leak down test compressing the cylinder with air while the valves are closed. In doing this he was able to determine the cylinder was leaking past the intake and exhaust valves. This is from “burnt valves”, a condition that causes pitting at the valve “seat” where the valve seals the cylinder. Burnt valves happen for many reasons but no matter the reason, the cylinder heads needed to come off and they received a full rebuild from our favorite machine shop. Before getting the heads back we also decarbonized the pistons and rings to make the bottom end fresh and sealed. The customer took our advice while we were there doing the timing ... read more