Speedometer Corrective Service
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STUDEBAKER-PACKARD CORPORATION SOUTH BEND 27, INDIANA SPEEDOMETER CORRECTIVE SERVICE Speedoaeter service is usually required STUDEBAKER and PACKARD because of one or more of the following IMPROVED SUPERCHARGER PLANETARY OUTPUT complaints: (1) Speedometer fails to register DRIVE ELEMENT SET - 57H-K, 57L AND (speed or mileage), (2) clicking, Jerky or 58H-K MODELS. 3 oscillating indicator nand and, (3) inter- NOISY WATER PUMPS - 1955-56 PACKARD AND mittent loud or steady high pitch noise. 56J STUDEBAKER MODELS . 2 SHOCK ABSORBER NOISE - 1957-58 PASSENGER CARS. 2 1. SPEEDOMETER FAILS TO REGISTER SPEEDOMETER CORRECTIVE SERVICE. 1 SUPERCHARGER AIR CYLINDER PISTON - Failure to register may be caused by a 57H-K, 57L AND 58H-K MODELS . 3 broken cable or a faulty instrument. STUDEBAKER BRAKE LINING -58G-Y1 TAXICAB . 3 The breaking of the cable can be caused by: TRANSMISSION OVERDRIVE GOVERNOR COVER (a) Normal wear and fatigue AND GASKET KITS FOR SERVICE - (b) Lack of lubrication 1958 MODELS . l . 3 (c) Kinks or sharp bends in the conduit due to improper installation or shifting of the PACKARD AIR CONDITIONING RELAY - 1953-54 conduit during operation. Breakage mos t PACKARD MODELS (Frigidaire UNITS) . 4 frequently occurs at the sharp bend in the CYLINDER BLOCK AND PISTON ASSEMBLY - vicinity of the fire wall or where it PACKARD STRAIGHT EIGHT ENGINE . 8 passes below the body enroute to the trans- REAR AXLE TORQUE ARM AND SHOCK ABSORBER mission. Always check the conduit to make BRACKET -55TH SERIES PACKARD l l l . 4 ULTRAMATIC LINKAGE ADJUSTMENTS - 24th, sure it has not rubbed through or is not 26th, AND 54TH SERIES PRIOR TO GEAR broken at the point of failure ofthecable. START TYPE. 5 (d) Conduit which has been rubbed through by ULTRAMATIC LOCKING IN PARK - 1954-56 its contact on a clip where the clip has MODEL PACKARD GEAR START TYPE . 4 been turned out of position causing a sharp ULTRAMATIC THROTTLE CONTROL ROD ADJUSTMENT - ALL MODELS . 7 bend, or against the body. ULTRAMATIC THROTTLE LINKAGE ADJUSTMENT - GEAR START TYPE . l 7 (e) A locked-up speedometer. Check the speed- ULTRAMATIC TRANSMISSION WITH PACKARD ometer head by installing a short section STRAIGHT EIGHT MODELS - PRIOR TO of a drive cable into the drive square of GEAR START TYPE . 4 the speedometer and roll the extended piece of the cable back and forth between aggravated by the lack of lubrication. The the hands to determine if the instrument is lubricant loss may result from excessive tied-up or binding. A speedometer which pressure of tbe drive cable against the conduit has locked-up or does not register should at the sharp bend or kink which would also lead be sent to an authorized speedometer to a broken cable if the condition exists for a service station for repairs. long time. 2. CLICKING, ERRATIC OR OSCILLATING AS the cable is long and flexible it will INDICATOR HAND windup between the driving force end and the point of binding and when it winds sufficiently Tnis type of operation is Usually caused by to overcome the resistance of the bind, it will kinks or sharp bends in the Conduit and is break loose with an acceleratin force. This GOOD SERVICE CREATES CUSTOMER G 0 0 D w I L L no. 340 SERVICE BULLETIN AUTUST will in turn then cause the wide fluctuation of cable is slipped through tbe conduit. the indicator hand. As the cycle of erratic action repeats,the indicator will produce a Avoid overlubrication as excessive lubricant jerky or erratic action with regularity. There at the speedometer end may work into the speed- may also be a clicking noise along with this ometer head,since excess lubricant will work type of speedometer drive action. upward. Lubricant in the speedometer will cause it to register incorrectly and necessitate A small brass ferrule is crimped to the servicing of the unit. cable about 1" from the instrument end. If this ferrule is not square and concentric with NOISY WATER PUMPS - 1955-56 the cable,it will be noted that the 1" section PACKARD AND 56J STUDEBAKER extending beyond the ferrule will whip or run- GOLDEN HAWK out. when engaged to the instrument, this condition can cause a Clicking noise. New service water pumps are being replaced because of a very noticeable growl that sounds A hard spot in the cable can also cause a similar to a rough bearing but in most cases, noise condition. This can be determined by the noise is in the seal. In some instances removing the cable and laying it out in a full several replacements have been made in the same loop with the ends crossed. Turning it from car in an effort to obtain a quiet pump. one end in both directions wltn the fingers it should turn smoothly. If a Jump or interruption Before installing a new service pump, check is noted,a hard spot or defect in the coiling the action of the seal by easily turning the is indicated and the cable should be replaced. impeller for Just a short rotation back and forth. If it has a tacky or sticky action, 3. HIGH PITCH STEADY NOISE OR LOUD INTER- submerge the impeller end of the pump in S-P MITTENT NOISE cooling Systea Rust Resistor or a soluble oil deep enough to get to the seal. Then lift the This type of noise is usually a result of a pump up and rotate the impeller to work the very dry cable and can be corrected only by fluid into the seal. Repeat the operation, if removal and thorough lubrication of the cable necessary,until a smooth action or rotation on within the conduit. the seal is obtained. Any method that will work the fluid into the seal is satisfactory. INSTALLATION, ALIGNMENT AND LUBRICATION Following the installation of the new pump, It is important when installing or aligning add S-P Cooling System Rust Resistor to the the cable and conduit that all sharp turns and cooling System when filling the system with kinks be eliminated at points where clips are coolant. The Rust Resistor will work satis- used; provide ample radius curves and bends to factorlly with either water or permanent type and from tne securing points and at the speed- anti-freeze. ometer and transmission ends. At points where chafing or rubbing of the conduit might occur, provide extra protection at such points by SHOCK ABSORBER NOISE - 1957-56 liberal application of tape or a suitable pro- Passenger Cars tective material. Please refer to the article on page 4 of Secure the knurled nuts at each end of the Service Bul Le tin No. 336 and on page 2 of conduit snug;avoid heavy torquing. To install Service Bulletin No. 338. the cable,start the cable at the speedometer end, turn the cable when the drive end nears REAR SHOCK ABSORBERS the pinion drive gear socket to make sure the With reference to alignment of the rear drive end engages correctly and the shaft shock absorbers and bushing replacement as refuses efforts to be turned or rotated. wnen covered by the articles in Service Bulletin installing a drive cable at the speedometer Nos. 336 and 338, Figure 1 provides a sketch of head,make sure the drive end is properly a suggested tool that may be easily fabricated engaged in the speedoneter socket and the small for bending the rear frame cross member when washer is in position, if one is used. Then, such procedure is required to obtain satis- snup-up the knurled nut. factory rear shock absorber alignment. Apply lubricant (Lubriplate or its equiva- FRONT SHOCK ABSORBERS lent) only to the lower two-thirds of the cable. Cancel the instructions given under the The upper section of the cable will receive heading'Front Shock Absorbers’ in Service sufficient lubrication by tne lubricant which Bulletin No. 338. Front shock absorbers having clings to the inside of the conduit when the the forked type lower mounting bar will have to 2 AUGUST SERVICE BULLETIN no. 340 be replaced if they develop an objectionable effect the operation of the piston and it is knock or chuckle. entirely satisfactory for service. REAR SHOCK ABSORBER FRAME CROSS- MEMBER BENDING BAR TRANSMISSION OVERDRIVE GOVERNOR INSIDE DIAMETER COVER AND GASKET KITS FOR SERVICE- HEAVY WALL TUBE 1958 MODELS --- Two new governor cover and gasket kits have been released for servicing the 1958 overdrive control governors. Also,the overdrive governor cover gasket is released as an addi- 1/4" WELD tional service part. Following are the new PLATES part numbers of the kits and gasket. Part No. 1547890- Overdrive Governor Cover and Gasket Set- For servicing Part No. 1545213, ABOUT Governor,used on the 1958 'G' with 4.55 or 30” 4.56 rear axle ratios. This governor and cover is identified by the“TGE-4019” stamped onto the governor cover. Part No. 1547891- Overdrive Governor cover and Gasket Set -used for servicing Part No. 1545214, Governor, used on the 1958 'G' with 3.54, 4.09 and 4.10 rear axle ratios; also all 1958 B, H, and L models. This governor and Fig. 1 cover is identified by the “TGE-4018” stamped onto the cover. IMPROVED SUPERCHARGE PLANETARY The chassis parts catalog currently lists OUTPUT DRIVE ELEMET SET - Part No. 1544567 as a Governor Cover and Gasket 57H-K, 57L AND 5H-K Kit for the 1958 models. since this part Models number does not properly identify the governor cover and gasket,it is being canceled. Part An improved supercharger planetary output No. 1544567 is being superseded (not substi- drive element set has been released for service tuted) by the above numbers.