GM Storm/Spectrum 1985-1993 Repair Guide

Oil Pan

Print

REMOVAL & INSTALLATION



Spectrum

See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Raise and support the vehicle safely, then drain the crankcase.
  4.  
  5. Disconnect the exhaust pipe bracket from the block and the exhaust pipe at the manifold.
  6.  
  7. Disconnect the right hand tension rod located under the front bumper.
  8.  
  9. Remove the oil pan bolts and oil pan, then clean the sealing surfaces.
  10.  
  11. To install, use a new gasket, apply sealant to the oil pump housing and the rear retainer housing as shown in the illustration, then reverse the removal procedures. Torque the oil pan bolts to 7 ft. lbs. (10 Nm). Torque the exhaust pipe to manifold nuts to 42 ft. lbs. (57 Nm). Torque the exhaust pipe-to-converter bolts and the pipe clamp-to-mounting bracket to 20 ft. lbs. (28 Nm).
  12.  
  13. Lower the vehicle, fill the crankcase and connect the negative battery cable.
  14.  



Click image to see an enlarged view

Fig. Fig. 1: Oil pan sealant points - 1.5L engine

Storm
EXCEPT 1.8L ENGINE
  1. Disconnect the battery negative cable.
  2.  
  3. Raise and support the vehicle safely, then drain engine oil.
  4.  
  5. Remove the right undercover.
  6.  
  7. Remove the front exhaust pipe from the exhaust manifold, then remove the torque rod.
  8.  
  9. Remove the flywheel dust cover. Remove the stiffener from the cylinder head (if so equipped).
  10.  
  11. Remove the oil pan attaching bolts, then remove the oil pan.
  12.  
  13. Reverse procedure to install. Apply suitable sealant to the oil pan gasket. Torque oil pan bolts to 89 in. lbs (10 Nm). Tighten the stiffener bolts to 50 ft. lbs. (68 Nm). Connect battery negative cable. Start engine and check for leaks.
  14.  
  15. Lower the vehicle, fill the crankcase and connect the negative battery cable.
  16.  

1.8L ENGINE
  1. Disconnect the negative battery cable and install a suitable engine support fixture and adapter kit.
  2.  
  3. Raise and support the vehicle safely, then drain the crankcase.
  4.  
  5. Remove the left and right splash shields.
  6.  
  7. Remove the forward exhaust pipe bracket, then remove the 3 retaining nuts and the forward exhaust pipe from the exhaust manifold.
  8.  
  9. Remove the torque rod-to-center crossmember through bolt and nut, then remove the 4 retaining bolts and remove the crossmember from the frame.
  10.  
  11. Remove the 2 bolts, 1 nuts and the torque rod along with the bracket from the transaxle.
  12.  
  13. Remove the front and rear cylinder block-to-transaxle braces, then remove the flywheel dust cover.
  14.  
  15. Remove the retaining bolts and nuts, then remove the oil pan from the block. Thoroughly clean the mating surfaces of all remaining gasket material.
  16.  

To install:
  1. Apply a silicone sealant to the oil pan gasket surface, then install the oil pan and tighten the retainers to 89 inch lbs. (10 Nm).
  2.  
  3. Install the flywheel dust cover, then install the front and rear cylinder block-to-transaxle braces.
  4.  
  5. Install the torque rod bracket to the transaxle and secure using the retainers, but do not tighten fully at this time.
  6.  
  7. Install the center crossmember to the frame and tighten the retaining bolts to 45 ft. lbs. (61 Nm).
  8.  
  9. Install the torque rod-to-center crossmember through bolt and nut. Tighten the through-bolt/nut to 51 ft. lbs. (69 Nm), the torque rod bolts to 14 ft. lbs. (19 Nm) and the torque rod nut to 94 ft. lbs. (128 Nm).
  10.  
  11. Install the forward exhaust pipe to the manifold using a new gasket. Tighten the retaining nuts to 46 ft. lbs. (62 Nm).
  12.  
  13. Install the forward exhaust bracket, then install the splash shields and lower the vehicle.
  14.  
  15. Remove the engine support fixture and fill the engine crankcase.
  16.  
  17. Connect the negative battery cable.
  18.  

 
label.common.footer.alt.autozoneLogo