Then I unstrapped the cast-iron fuel-injection pump from the luggage rack of my motorcycle.
The Peterbilt 379 sat in the center bay of the shop, its long hood tilted forward over the massive Caterpillar diesel engine like a beast resting on its knees. The shop smelled of old sawdust, gear oil, and the dry mountain heat radiating from the corrugated metal roof. I dragged a heavy rolling mechanic’s stool to the front bumper, hung a magnetic LED work light from the radiator support, and set to work.
Replacing a high-pressure injection pump on a thirty-year-old commercial engine is not work that tolerates impatience. Every fuel line has to be loosened with flare-nut wrenches so the soft brass fittings don't round off under pressure. The six steel injector lines had to be labeled, detached, and wiped clean with lint-free shop rags to prevent a single particle of mountain dust from scoring the precision plungers inside the pump housing.
My knuckles, scarred from eight years of working state prison maintenance yards, bled small red smears across the greasy cast iron as I wrestled the old, scored pump free from the mounting studs on the engine block. Harlan had tried to run the rig on contaminated red dye diesel drawn from the bottom of an abandoned storage tank behind the wash rack, gumming up the internal delivery valves until the engine starved for fuel and billowed choking clouds of unburnt white smoke. It was the sloppiness of a man who looked at heavy iron only as scrap value, someone who had never bled an airlock out of a high-pressure fuel line in his life.
I cleaned the machined mounting face on the timing case with a razor scraper, laid down a fresh graphite gasket coated in high-tack sealant, and hoisted the eighty-pound rebuilt pump into position. I torqued each of the four mounting bolts to fifty-five foot-pounds in an alternating star pattern, checking the gear backlash with a brass feeler gauge until the clearance sat at exactly six-thousandths of an inch.
By the time I finished connecting the throttle linkage and tightening the six injector lines, the clock on the shop wall showed three in the morning. Outside, the wind off Mount Hood whispered through the tops of the ponderosa pines, cool and smelling of cedar sap. I climbed into the cab of the Peterbilt, turned the key to prime the electric lift pump, and listened to the steady, rhythmic clicking of fuel displacing air in the lines. When I hit the starter, the heavy starter motor grunted twice, caught the timing pulse, and fired into life.
The Caterpillar engine settled into a deep, thunderous idle that vibrated the concrete floor and shook the dust from the shop rafters. The exhaust pipe above the cab puffed a single ring of dark gray soot before clearing to pure, invisible heat. No white smoke. No missing cylinders. The iron was alive.
I killed the ignition, washed the diesel and grease from my forearms with citrus pumice soap in the utility sink, and slept for four hours on the vinyl couch in Arthur’s dispatch office, my leather jacket rolled beneath my head as a pillow.
At eight o'clock Thursday morning, Detective Thorne walked through the newly reinforced office door, carrying a manila case file and two cardboard cups of black coffee from the diner in town. He set one cup on the laminate desk and looked at the clean door jamb, nodding with quiet approval at the fresh steel screws holding the latch plate.
"Harlan had his arraignment an hour ago in the circuit courtroom at Hood River," Thorne said, leaning his hip against the counter. "The judge didn't look kindly on the paperwork we pulled out of that pickup. Bail was set at two hundred and fifty thousand dollars cash. Harlan’s court-appointed attorney tried to argue it was an intra-family estate dispute, but the prosecutor laid Sandra Cleary’s deposition right on the bench."
"What happened to Sandra?" I asked, sipping the hot coffee.
"She surrendered her notary commission to the Secretary of State’s investigator at seven this morning," Thorne replied, tapping the manila file. "She gave a full sworn statement admitting Harlan paid her two hundred dollars in cash to stamp that bill of sale without ever setting eyes on Arthur. She’s cooperating with the state’s attorney to avoid a prison sentence for official misconduct. The state is charging Harlan with first-degree elder abuse, criminal possession of a forged instrument, and attempted grand theft of commercial property."
Thorne opened the file and pulled out a crisp, signed document with a gold administrative seal at the bottom. He slid it across the counter toward me.
"That’s from the regional parole board down in Salem," Thorne said. "I spoke with your supervising officer, Agent Miller, yesterday afternoon while you were turning wrenches in the bay. I gave him the dispatch audio, the crime-scene photos of that padlocked door, and my own written report on how you intervened to save an elder citizen’s life while an armed suspect tried to run you off the lot."