Golf GTI L4-1984cc 20L DOHC (9A) Trans Control Module - Oct 1993
transmission only)
To ensure proper electrical connections as well as the latest production level, both knock sensor (KS) and EGR temperature sensor connector terminals
must be gold-plated. To check, follow this procedure:
-
Disconnect electrical connections from knock sensors (KS) 1 and 2, EGR temperature sensor and throttle position sensor (TPS). If connector
terminals are tin-plated, replace the respective component with:
Harness Terminals
Check harness terminals if NOT gold-plated replace as follows: *
-
Pull back protective boot from receptacle plug.
-
Push wire connector out of plug, one at a time, using tool from tool kit 000 097 013 or similar.
-
Cut terminal, strip wire and crimp gold-plated terminal, Part No. N 903 352 07 to wire, using crimping tool from tool kit No. 000 097 013.
-
Reinsert terminal into housing and proceed to next wire.
-
After all wires have been modified, pull boot over receptacle plug and connect.
C. Replace Vacuum Hoses
C. Replace vacuum hoses
-
Replace all vacuum hoses (see arrows) with new hoses using same length except for the hoses indicated below.
^
Replace vacuum hose at yellow line connection to EGR valve. Measure old hose and add 1 in. to new hose.
^
Replace, vacuum hose at red line connection to throttle body. Measure old hose and add 1 in. to new hose.
-
Use new hose, Part No. N 020 353 5*