DYNAFLOW CAMPAIGN On Flint built Dynaflow cars with approximate starting serial no. 16833391 and ending with serial no. 16838670, there is the possibility that a pressure regulator valve was installed in the Dynaflow which did not have a bleed hole through the narrow end land. This can, in the case of cold oil, cause rather [...]
DYNAFLOW OIL COOLER 1951 ALL SERIES Special Service Letter - Dealer No. 103 - December 14, 1951 SUBJECT: Dynaflow Oil Coolers During January, February and March and part of April a critical material situation forced us to use some Dynaflow oil coolers fabricated from material other than Cupro-Nickle or copper. Some internal and external cooler [...]
DYNAFLOW OIL CHANGE 1948 THRU 1951 DYNAFLOW Supplements Sec. 1-A, Par. 1-4, 1951 SM and Sec. 5, Par. 20{b), 1948-49-50 Dynaflow SM. At the 25,000 mile Dynaflow oil change, the oil pan and screen should be removed from the transmission and thoroughly cleaned before the transmission is refilled with new oil. DYNAFLOW PUMP COVER [...]
1954 LOW BAND AND CLUTCH REPRINT OF SPECIAL LETTER, NO. 142 In the second paragraph we stated that Engineering would release a special shift control valve with wider lands which will enable the use of the "4A" valve bodies by replacing this valve only, on the valve bodies that are marked by a date (9 [...]
DYNAFLOW OIL LEVEL & DIPSTICK CHANGE Following is a reprint of Special Service Letter - Dealer No. 218, dated August 16, 1957, which includes corrected serial numbers as described in Special Service Letter, Dealer No. 218A dated August 20, 1957: Listed below by assembly plants are serial numbers of the first cars equipped with a [...]
When a Dynaflow transmission does not operate properly it is advisable to first check the (manual control) 1953 Buick Dynaflow linkage adjustment. Before making any checks or adjustments on manual control linkage make certain that transmission is thoroughly warmed up and that oil is at proper level. Park car on ramp or steep grade with [...]
The 1953 Buick Twin Turbine Dynaflow transmission has a completely new 4-element torque converter. The new converter has two turbines interconnected through a simple planetary gear set in place of the single turbine previously used. Compared with previous models, the Twin Turbine converter has one pump in place of a primary and a secondary pump, [...]
SECTION 5-A - DYNAFLOW SPECIFICATIONS, DESCRIPTION AND OPERATION 1955 Buick Dynaflow Specifications 5-2 GENERAL INFORMATION The 1954 Twin Turbine Dynaflow transmission has been redesigned, the major feature being the incorporation of a stator with variable pitch blades. The new stator gives the equivalent of a passing gear with no gear change; and is [...]
5- 1 1957 BUICK DYNAFLOW TRANSMISSION MAINTENANCE The 1957 Twin Turbine Dynaflow transmission will be available as optional equipment for the Series 40 only. The following changes have been made in this transmission. Due to the lowering of the over-all car height, the transmission oil pan is shallower to provide greater road clearance. It has [...]