So, I am guessing that either there is something plugged up or the oil pump is not working. LAYCOCK OVERDRIVE SOLENOID SERIES I believe it came from a Volvo 740 series car and that it was used with the M46 gearbox.It could be used in lieu of a J-type for a TR6 gearbox. I removed the guts of the control valve and repeated, but still no oil. Mid-gain Overdrive Pedal with Output, Gain, and Treble Controls.Handbuilt Re-creation of an Iconic Overdrive with NOS ComponentsThe Jeff Archer from J. The car is on jack stands with the rear wheels removed, so I ran it in 4th and switched on the overdrive, but nothing happened. To check whether there is any oil pressure, I loosened the cap on the top of the control valve expecting oil to leak out with the engine running, but there wasn't any. Volvo 140 Solenoid Overdrive Type D 1966-74 New. Before this I removed and cleaned the filter. Laycock J-type Overdrive Triumph Mg Volvo P1800 1800 E Es 240 144 142 145 122. I have refilled the gearbox with 90wt GL4 oil, raised the front of the car, topped up the gearbox and let it sit that way for a while so oil could get to the overdrive. However, there doesn't appear to be any oil being pumped through the system. The electrics work and the solenoid works as it should. I recently bought a Mk3 with overdrive knowing that the overdrive was not working. Apr 06 FLCentral Florida All British C.Dec 10 VARichmond Triumph Register Hol.
