Common problems
Why Does My R107 Smell Like Gas?
The most common sources of a gasoline smell on an R107, how to find them, and when it is dangerous to drive.
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Common problems guides – page 4
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Common problems
R107 Fuel Gauge Not Working: How to Test the Sender
Why the R107 fuel gauge stops working, how to reach and test the sender, and when to repair or replace it.
Common problems
R107 Front Subframe Cracks (1972-80)
Early R107 front subframes (roughly 1972–80 territory) can crack in known stress areas. Check on a lift before you trust a pretty…
Common problems
R107 Steering Play: Steering Coupler and Box Adjustment
Steering play on an R107 often traces to the rubber coupler, damper, or box adjustment limits — not automatically a full box…
Common problems
R107 Window Regulator and Window Motor Problems
Slow or dead windows are motor, regulator, switch, or sticky channels — not always “needs a motor.” Related: interior and door-related posts.…
Common problems
R107 Speedometer or Odometer Not Working
Speedometer or odometer failure is often a gear, cable, or cluster issue — annoying, and relevant to records and resale honesty. Related:…
Common problems
R107 Overheating: Causes and Fixes
Overheating destroys engines faster than almost any other weekend neglect. Fan clutch, radiator, thermostat, water pump, aux fan, and head gasket each…
Common problems
R107 Vacuum Leak Symptoms and Vacuum Diagram
Vacuum on an R107 runs locks, climate flaps, transmission modulator behavior, brake booster assist, and other year-dependent consumers. Leaks create limp modes…
Common problems
Why Is My R107 Footwell Wet?
Wet footwells are water management failures: cowl drains, top seals, windshield gasket, A/C drain, or a heater core. Find the source with…
Common problems
R107 Climate Control and Heater Problems
Climate complaints on an R107 split into refrigerant-side problems and control-side problems. This page is the control side: heat, blend, flaps, and…