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Harmonic Balancer

From 1990 Ford Thunderbird “SuperBlue”, documented by Chris Bradley.

37 photos
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1990 Ford Thunderbird - Houston, we have a problem. 1990 Ford Thunderbird - The bolt broke inside the crankshaft. Luckily it came out fairly easily. 1990 Ford Thunderbird - The broken stock harmonic balancer. 1990 Ford Thunderbird - A close-up view of a damaged pulley and a serpentine belt. The pulley has a severely worn and broken central hub. 1990 Ford Thunderbird - What was left on the crankshaft. 1990 Ford Thunderbird - A few strategic drills holes and she came right off. 1990 Ford Thunderbird - A damaged bearing sits on a light-colored wooden surface. The bearing shows significant wear and tear, with cracks and missing pieces on it… 1990 Ford Thunderbird - A broken bearing is shown on a wooden surface. The bearing is made of metal and appears to be split into two pieces. 1990 Ford Thunderbird - I started with the snout seal. 1990 Ford Thunderbird - Put a rag under to catch and debrit. Remove any excess grease, then remove the factory lock ring. 1990 Ford Thunderbird - Drill two holes in the old seal (don't drill to deep) and thread two screws. I drilled 1/8 holes and used 6-32 machine screws. You can use… 1990 Ford Thunderbird - Put pliers on the machine screws and pull the old seal out. 1990 Ford Thunderbird - Clean up any grease from the inside of the snout with a q-tip and a rag. 1990 Ford Thunderbird - Put a small amount of supercharger fluid on the seal and lightly tap it in until it is seated. 1990 Ford Thunderbird - Install a proper snap ring. I used one that was 1 13/16".. 1990 Ford Thunderbird - Install the pulley and tighten the nut and you are all done. 1990 Ford Thunderbird - Here are the old seal and retaining ring. 1990 Ford Thunderbird - What I have to work with today. 1990 Ford Thunderbird - This is an engine bay view of a Ford Thunderbird, likely during a repair. The water pump has been removed, exposing the gasket surface and… 1990 Ford Thunderbird - Finally the timing cover came off. 1990 Ford Thunderbird - The left side (right side in the picture) seemed to hang up, but I figured it was the silicone on the oil pan. She cracked free after some… 1990 Ford Thunderbird - Yup, that was a real "crack" I heard. 1990 Ford Thunderbird - Just took the corner off. I'll see if I can get it welded. 1990 Ford Thunderbird - I read about an allen head bolt that was hidden, but couldn't see it. Guess I know for the next time. 1990 Ford Thunderbird - All cleaned up and ready to be put back together, after I do the timing chain and sprockets. 1990 Ford Thunderbird - My bin 'o parts. 1990 Ford Thunderbird - I got the cam gear and chain off, but the crank gear got hung up and needed a puller. 1990 Ford Thunderbird - Now to remove the tensioner. 1990 Ford Thunderbird - The old timing set, 1990 Ford Thunderbird - The crank gear got to cozy with a drill bit when my buddy was trying drill out the seal. 1990 Ford Thunderbird - The new timing set installed. 1990 Ford Thunderbird - Close-up view of the timing chain and gears on a Ford V8 engine. The engine block is visible with various bolts, hoses, and metal component… 1990 Ford Thunderbird - The new timing cover with a brand new water pump mounted. 1990 Ford Thunderbird - Installed in the vehicle. 1990 Ford Thunderbird - A close-up view of a car's engine bay shows a newly installed silver water pump, surrounded by various hoses, pulleys, and belts. 1990 Ford Thunderbird - I spent a lot of time cleaning grease and grime off all the parts, so I only got a few of things installed. 1990 Ford Thunderbird - Here is a "cheat-sheet" of all the bolts holding the timing cover to the block. The 6mm allen head bolt is barely visible, and the one that…