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HOMESERVICE MANUALSCHEVROLET1968BISCAYNE 7.0L ENG, AUTOMATIC TRANS, TRANS MFR CD POWERGLIDEREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONFRONT SUSPENSIONREAR SUSPENSIONREMOVAL & INSTALLATIONCOIL SPRINGINSTALLATION
1968 Chevrolet Biscayne 7.0L Eng, Automatic Trans, Trans Mfr CD Powerglide

Coil Spring: Installation

1968 Chevrolet Biscayne 7.0L Eng, Automatic Trans, Trans Mfr CD PowerglideSECTION Installation

Center spring in seat. Reverse removal procedure, being sure all parts are installed in correct position. OLDSMOBILE CAUTION  - On F-85, Cutlass, 442, & Vista-Cruiser, install spring in position so that spring pigtail on axle housing points toward left side of car. On Delmont, Delta, Delta Custom, 88, & 98 install spring in position so that spring pigtail on frame end points toward frame side rail. Tighten all bolts and nuts to specifications.



Reverse removal procedure and tighten pivot bolts to specifications after car weight is on wheels and car is at curb height.

BUICK CAUTION - Whenever upper control arm is replaced, check and adjust rear universal joint angle.  See "Propeller Shafts" in Rear Axle article. 



Reverse removal procedure and tighten pivot bolts to specifications after car weight is on wheels and car is at curb height.

Tightening Specifications

Application Ft.Lbs.
Shock Absorber (Upper)  
  Chevrolet (All) & Cadillac 12
  Pontiac 15
  Buick & Oldsmobile 20
Shock Absorber (Lower)  
  Cadillac 50
  All Others 65
Control Arms  
  Buick, Chevelle & Monte Carlo (1) 80
  Chevrolet (2) 115
  Cadillac 75
  Oldsmobile (Exc. Delta & 98 Series) 80
  Delta & 98 Series 115
  Pontaic (Exc. LeMans & Grand Prix) (3) 110
  LeMans & Grand Prix 80
Universal Joint to Yoke  
  Pontiac 14
  All Others 15
Universal Joint Yoke to Companion Flange  
  Chevrolet & Oldsmobile 75
  Cadillac 70
(1) (1) - On Buick, torque given for nut. Bolt is 110 Ft.Lbs.
(2) (2) - Upper control arm at. axle is 80 Ft.Lbs.
(3) (3) - Torque given for nut. Bolt is 140 Ft.Lbs.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.