Dedicated to the preservation, restoration, and enjoyment of all Rootes Group Vehicles
GROUP: EngineSUBGROUP: Oil Pressure Relief ValveDATE: 3-31-67 SUBJECT: New Oil Pressure Relief Valve Models: Alpine V, Minx VI & Arrow A new steel relief valve assembly was introduced in production from the Chassis Numbers shown below, having a thick fibre sealing washer under the head of the relief valve. Alpine V – B.395 012220 Minx (more…)
GROUP: ClutchSUBGROUP: Master CylinderDATE: 2-22-67 SUBJECT: Modified Master Cylinder Main Cup MODELS: Alpine V & Minx IV A modified master cylinder main cup is now available which will correct problems of periodic loss of clutch in heavy traffic. The new main cup can be identified by its manufacturer’s number 3842-424 which is on the cup. (more…)
View or download a PDF of Hillman chassis numbers
Download a PDF of Later model chassis engine number coding for Rootes Group Vehicles
GROUP: EngineSUBGROUP: Cylinder HeadDATE: 2-28-68 SUBJECT: Cylinder Head Bolt Tightness MODELS: Alpine, Imp, Minx, and Arrow Effective immediately, the cylinder head bolt torque loading figure has been reduced from 48 ft. lbs. to 45 ft. lbs. Please correct the appropriate Service Manuals. NOTE: Check tightness of bolts: Cast Iron Head – HOT Aluminum Head – (more…)
NUMBER: 66-4 DATE: July 26, 1966 GROUP: Engine SUBGROUP: Crankshaft End Play MODELS: Alpine V; Hillman Minx VI; Super Minx IV; Humber Sceptre II; Sunbeam Rapier V; Singer Gazelle VI; Singer Vogue IV SUBJECT: Crankshaft End Play – 1725cc Engine Recent reports received from the field indicate excessive crankshaft end play in the 1725 c.c. (more…)