3.0L (L81) Engine Replacement is only Available from GMSPO as a Short Block Assembly

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

The 3.0L (L81) replacement engine is only available from GMSPO as a short block assembly.

Call PQC for authorization before ordering the short block assembly.

The following part numbers are available from GMS SPO to assemble a 3.0L (L81) engine short block to a long block engine assembly.

SHORT BLOCK PART NUMBER

90542281

Parts required with Part Number 90542281 Short Block:

Timing Cover Front 90572780

Timing Cover Rear 90572785

Tensioner Kit, includes belt 9201887

Idler Pulley Assembly 9196294

The following consists of other parts the dealer should order to install the short block, gaskets, water pump, head bolts.

Cylinder Head

Part Number

93171047 Left

93171048 Right

This cylinder head does not include valves.

.

Cylinder Head Gasket Kit

YEAR PART NUMBER

93173679

.

Cylinder Head Bolts

YEAR PART NUMBER

90466480 Quantity of 16

(8 Per Head)

.

Timing Belt

YEAR PART NUMBER

(1ST DESIGN ENGINE ) 90530599 (Engine Unit Number 00000001 TO 08300418)

Note: The Engine Unit Number (EUN) is located on the engine at the rear of the cylinder block near the transmission bell housing mating surface engine. Reference the 1998 Catera SI (Service Information), Volume 1 of 3, Page 0-7 for an illustration of the Engine Unit Number.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.