Could My Vacuum Control Valve (VCV) Be The Reason My Mercedes Isn't Shifting Right? | Transmission Problem

Applies to Automatic Diesel Mercedes, 1978 to 1985 Models with plastic VCV on the top rear of the fuel injection pump.

Problem & Solution

Recommended products:

61x Diesel Automatic Transmission Tuning Manual

$28.50

Diesel Automatic Transmission PEAK Performance Tuning Manual by Kent Bergsma

Receive two related On-Demand videos FREE! Covers ALL Diesel Automatics from 1969-1984 220D 240D 300D 300CD 300TD 300SD

$128.50

123 126 Diesel Transmission Ultimate Diagnostic and Tuning Kit

116 and 126 1978 to 1984 300SD, 1980 to 1984 123 240D and 1981 to 1985 123 Turbo 300D 300TD 300D 300CD. Does not apply to the 722.4 transmissions found in most 1985 models

$38.95

Diesel Automatic Transmission VCV Vacuum Controls Testing Kit

All diesel Automatic Transmissions with Vacuum Modulator Fitted 1978 to 1993

On Demand Video

$7.99

Troubleshooting Older Diesel Automatic Transmission Shift Problems - On Demand Video

Knowing where each component is located and what it does is the start of solving externally caused shift problems

On Demand Video

$8.99

How to Test the VCV ( Vacuum Control Valve ) for Proper Operation - On Demand Video

Includes theory on how it controls transmission shifting and test procedures with it hooked up to the vacuum system with the engine running.

$25.00

616 617 Diesel VCV Shift Control Rod and Clip

All 4 and 5 cylinder diesels (US models) 1980 to 1984 300D 300CD 300TD 300SD