Why does my VW T4 not have DOP?
It should be noted that VW abandoned DOP on later vehicles after about 2000/2001, and also on later (1999 onwards) 2.5TDi T4’s. So if you have a problem with oil pressure on one of these it is likely to be oil pressure sensor, wiring or an actual mechanical problem.
Why does my VW transmission jerk when accelerating?
If you bring the number one cylinder up on its compression stroke and crankshaft set to top dead center, then take off the distributor cap to see if the distributor rotor is pointing to number one cylinder on… Hi there. The problem with your transmission is the 1 to 2 shift accumulator has either a broken spring or a split o-ring on the piston.
Why does my VW T4 make a knocking noise?
The only other thing to note is that the brake vac pumps (2.5TDI) can wear and cause a possibly alarming tapping/knocking noise from the engine. This is simply diagnosed by depressing the brake pedal and if the noise quiets down you know a new brake vac pump is required.
What are the problems with a VW Transporter T4?
VW Transporter T4 Common Problems. If you are experiencing uneven tyre wear it could be down to several factors, or a mixture of a few! If the van has been lowered, this in its self could put the steering geometry out and a 4 wheel alignment check should confirm this. Worn suspension bushes are another factor to consider.
How to fix a VW T4 oil buzzer?
1 Disconnect the wire to the high pressure sensor on the filter housing and let it float (un-connected). 2 The oil buzzer should now come on and indicator will flash when the van engine speed is above 2000 RPM. 3 Now connect the yellow wire to ground and rev the engine past 2000 RPM… the buzzer should not sound at all.
How much oil is in a Volkswagen Transporter T4?
Oil Change Engine Oil Type 5W/30 to 10W/40 to VW spec 500 00 or 5W/ 5W/30 to 20W/50 to VW spec 505 00 (Turbo Engine Oil Capacity (with filter) 5.0 litres (4-cylinder engines) 5.5 litres (5-cylinder engines) Oil Drain Plug Torque 30 Nm (4-cylinder engines)
What does a flashing oil light mean on a VW T4?
A flashing oil light at all engine speeds (and without buzzer above 2k RPM) is indicative of a missing engine speed signal (alternator ‘w’ terminal) – check to make sure that the instrument cluster is getting the correct engine speed signal from the w terminal of the alternator. Share VW T4 Common Problems with your friends on Facebook.
What to do if test light goes off on VW T4?
1. Disconnect the wire to the sensor and leave it float. 2. Connect a test light between +12V batt and the sensor. 2. Start the van and leave it idle – the light should go off – if it doesn’t the you have a faulty sensor. 3.
Is there a problem with the VW T4 heat exchanger?
Before fitting the new VW T4 oil heat exchanger, you need to ensure that you thoroughly clean the coolant system. Oil residue left in the system can lead to other problems further down the line. To do this you can either buy chemicals to use to flush the system (examples here) or a weak mix of washing up liquid and water works.
When does the oil buzzer flash on a VW T4?
The instrument cluster only monitors the oil filter housing sensor when the engine is over 1800 – 2000RPM and if this sensor is not switched by 1800-2000 RPM the oil buzzer will sound and the oil pressure light will also flash.