Modification Of Main Bearing Oil Clearance And The Bearing Selection Procedure (TS 14 05175)
WARNING: This page is about the Vitara JLS, 4D Utility, 1.6, which is a different variant/trim than selected.
Publication date: 2005-05-17Reference number: TS 14 05175
MODIFICATION OF MAIN BEARING OIL CLEARANCE AND THE BEARING SELECTION PROCEDURE
TECHNICAL SERVICE BULLETIN
Reference Number(s): TS 14 05175, Date of Issue:
May 17, 2005
| SUZUKI: | 1999-2005 VITARA (SQ420/SQ625L), GRAND VITARA (SQ625W) AND XL-7 (JA627) |
| SECTION: | Engine |
CONDITION:
Oil clearance of the main bearings has been modified.
CAUSE:
N/A
CORRECTION:
The crankshaft main bearing oil clearance for the H25 and H27 engines has been modified as well as the main bearing selection procedure. Please update your service manual according to the following specifications and the eight attached Service Manual pages.
NOTE:
This update will reflect in future printings of the service manuals. If the reprint date on the inside back cover of the manual is later than the issue date of this bulletin, the manual will have been corrected.
OIL CLEARANCE SPECIFICATIONS
The oil clearance of the main bearing has been changed to the following specifications:
OIL CLEARANCE SPECIFICATIONS
| Engine Type | Model | Oil Clearance Specification |
|---|---|---|
| H25/H27 | SQ625W/L / JA627 | STD: 0.024~0.042 mm (0.0010~0.0016 in.): LIMIT: 0.055 mm (0.0021 in.) |
| J20 | SQ420 | STD: 0.032~0.050 mm (0.0013~0.0019 in.): LIMIT: 0.063 mm (0.0024 in.) |
CRANKSHAFT JOURNALS
The number that indicates the crankshaft journal diameter has been changed from three stamped numbers ("1" through "3") to six stamped numbers ("4" through "9") as shown in the figure below.
CRANKSHAFT MAIN BEARING
According to the change in oil clearance, new combinations of the crankshaft main bearings have been added as described in "PART SUPPLY DATA" below.
NOTE:
The late crankshaft is usable instead of the early crankshaft if the main bearings are selected according to the procedure in the attached page.