Timing belt set for VW T4 2.4 5 Cylinder Diesel models. AJA Engine – All. AAB From Engine Number AAB 320127 to AAB 424605. Kit contents. Timing Belt. Injection pump drive belt. Timing belt tensioner; Timing belt tensioner bolt. Diamond washer for crank pulley bolt. Crank pulley bolt . Additional Information USA.5272.02.21. 2.4 L-Diesel Engine/57 kW, code AAB, from October 1992 Relay location. For relay location and multiple connectors see also section ”component locations”. Fuse colors. 30A ---green 25A ---white 20A ---yellow 15A ---blue 10A ---red. --- Rear Window Wiper/Washer Relay (72) --- Load Reduction Relay (18) --- Emergency Flasher I replaced my head recently. I bought the cam timing tool from GSF. The tdc on my engine was found by looking at the marks on the flywheel throught the aforementioned inspection hole in the gearbox. My 2.4 aab engine flywheel was stamped with a 0 then a "tick" and then a "T" The "tick was the tdc. Replacement brand new complete cylinder head including valves, springs and camshaft for all Transporter T4 Buses from June 1994 to June 2003 with 2.4 Diesel engines (AAB and AJA engine codes) Information. Hydraulic Lifters. Water pipe on manifold side. No holes for valve cover. 5 Cylinders. Good quality reproduction product. Complete T4 crankshaft pulley with built in damper. Fits the following engines. 2.5 TDI 1996 to 2003 2.4 Diesel with the engine code AAB 1996 to 1997 2.4 Diesel with the engine code AJA 1998 to 2003 If the engine doesn’t start in 5 seconds, somethings wrong. Cranking it on and on is just burning out your starter and battery. Next time it won’t start, leave the key on, go back to the engine , and look for the wire attached to the diesel injection pump, with all the spider legs coming off it heading back to the cylinders. went out and purchased the locking kit £38.00 + vat. changed both belts and the water pump, new tensioner and all, perfect starts first time no smoke no rattles (yet). the water pump had been slaughtered with a massive ammount of play (i wondered what was rattling) and was ready for falling apart. locking kit for sale £30.00 inc P + P. Pd Diesel, 2.0l Gasoline, 2.8l Bentley Publishers.2011-06-01 The Volkswagen Jetta, Golf, GTI Service Manual: 1999-2005 contains in-depth maintenance, service and repair information for Volkswagen Jetta, Golf and GTI models from 1999 to 2005 built on the A4 platform. Whether you're a professional or a do-it-yourself Volkswagen owner, this manual T4 Brake Vacuum Pump 1995-03 - 2.4 Diesel + 2.5 TDI (AAB,AJA,ACV,AHY,AJT,AUF,AXG,AYC,AYY Engines) Part Number: 076145100. Replacement brake vacuum pump for use on all 2.4 Diesel and 2.5 TDI engines fitted into Transporter T4 Buses. Coolant flange, seal not included. Located on the end of the cylinder head (gearbox end). Engine fitment codes and year ranges: AAB, 2.4 Diesel 09/90-12/95 rK9s.