Code LAUNCH25 takes 25% off through October 21, 2026.

Repair Guider Field guides by OZ

All guides

Home repair and the Driveway Mechanic Series. Every guide page shows the questions it answers, for free.

Home repair

Home Repair Field Guides

Fix a Leaking Outdoor Faucet cover

Home Repair Field Guides

Fix a Leaking Outdoor Faucet

Fix That Damn Outdoor Faucet

Frost-free sillcocks: packing leaks, spout drips, a spitting vacuum breaker, and the fall shutdown before the first freeze.

Time
60-second diagnosis. Job time is on the PDF card.
Skill
Packing, seat washer and vacuum breaker. Water inside the wall is a plumber job.
Parts
$5–$28.50 listed. Not a cart total.

$7.99

Buy PDF – $7.99

  • Visa
  • Mastercard
  • Amex
  • Stripe

Instant download · Screen edition 27 pages + print edition 28 pages

Buy on Etsy

Coming soon Tame Your Furnace

Home Repair Field Guides

Tame Your Furnace

When the house stays cold.

Coming soon. Leave your email and we will write once when it is out.

Email me when it's out

Coming soon Patch a Hole in Drywall

Home Repair Field Guides

Patch a Hole in Drywall

Patch Any Damn Hole

Coming soon. Leave your email and we will write once when it is out.

Email me when it's out

Cars

Driveway Mechanic Series

Mercedes 280E K-Jetronic Troubleshooting cover

Driveway Mechanic Series

Mercedes 280E K-Jetronic Troubleshooting

Fix Your Damn K-Jetronic

Mercedes 280 E W123. Sensor plate, vacuum leaks, the four pressures, idle and CO.

Time
60-second diagnosis. Job time is on the PDF card.
Skill
Sensor plate first, then the four pressures. CO needs an analyzer.
Parts
$12.29–$244.01 listed. Not a cart total.

$11.99

Buy PDF – $11.99

  • Visa
  • Mastercard
  • Amex
  • Stripe

Instant download · 37 pages · Print-friendly

Buy on Etsy

Check Engine Light: Read the Code, Fix the Cause cover

Driveway Mechanic Series

Check Engine Light: Read the Code, Fix the Cause

Read it. Fix it.

Read the code, prove the cause, then fix gas caps, MAF, vacuum leaks, O2 sensors and misfires. And know which codes go to a shop.

Time
60-second diagnosis. Job time is on the PDF card.
Skill
Read the code and prove the cause. Some codes go to a shop.
Parts
See the free parts list.

$11.99

Buy PDF – $11.99

  • Visa
  • Mastercard
  • Amex
  • Stripe

Instant download · 42 pages · Print-friendly

Buy on Etsy

Car Won't Start? Find Out Why in 15 Minutes cover

Driveway Mechanic Series

Car Won't Start? Find Out Why in 15 Minutes

Fifteen minutes, with a multimeter.

Click, crank-no-start or dead: a 15-minute test path with a multimeter, then terminals, jump-start, fob, fuses and battery replacement.

Time
15-minute test path.
Skill
15-minute test path with a multimeter, then the fixes in the PDF.
Parts
See the free parts list.

$11.99

Buy PDF – $11.99

  • Visa
  • Mastercard
  • Amex
  • Stripe

Instant download · 48 pages · Print-friendly

Buy on Etsy

Replace Brake Pads and Rotors cover

Driveway Mechanic Series

Replace Brake Pads and Rotors

Do Your Own Damn Brakes

Diagnose the noise or vibration, replace pads and rotors, service the slides, bleed, bed-in. Fill-in torque sheet from your vehicle maker.

Time
60-second diagnosis. Job time is on the PDF card.
Skill
Noise or vibration, then pads, rotors, slides, bleed and bed-in.
Parts
See the free parts list.

$11.99

Buy PDF – $11.99

  • Visa
  • Mastercard
  • Amex
  • Stripe

Instant download · 37 pages · Print-friendly

Buy on Etsy

Change Transmission Fluid: Drain and Fill cover

Driveway Mechanic Series

Change Transmission Fluid: Drain and Fill

Change the Damn Transmission Fluid

Drain and fill, never a flush. The maker's fluid, the same amount back in, the level set the maker's way.

Time
60-second diagnosis. Job time is on the PDF card.
Skill
Drain and fill, never a flush. A slip goes to a shop first.
Parts
See the free parts list.

$11.99

Buy PDF – $11.99

  • Visa
  • Mastercard
  • Amex
  • Stripe

Instant download · 31 pages · Print-friendly

Buy on Etsy