{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"PS","section_name":"Steering","page":28,"pages_in_section":52,"title":"Power Steering Vane Pump Inspection and Replacement","section_header":"Steering — Power Steering Vane Pump","ocr_text":"SR–28\nSTEERING – POWER STEERING VANE PUMP\n\nPOWER STEERING VANE PUMP\nINSPECTION AND REPLACEMENT\n\nNOTICE: When using a vise, do not overtighten it.\n\n1. MEASURE OIL CLEARANCE BETWEEN VANE PUMP SHAFT AND BUSHING\nUsing a micrometer and caliper gauge, measure the oil clearance.\n\nOil clearance mm (in.)\nStandard 0.03–0.05 (0.0012–0.0020)\nMaximum 0.07 (0.0028)\n\n2. INSPECT VANE PUMP ROTOR AND VANE PLATES\n(a) Using a micrometer, measure the height, thickness and length of the 10 vane plates.\n\nMinimum mm (in.)\nHeight 8.6 (0.339)\nThickness 1.40 (0.0551)\nLength 14.99 (0.5902)\n\n(b) Using a feeler gauge, measure the clearance between the rotor groove and plate.\n\nClearance mm (in.)\nMaximum 0.035 (0.0014)\n\nIf more than maximum, replace the plate and/or rotor with one having the same mark stamped on the cam ring.\nInscribed mark:\n1, 2, 3, 4 or None\n\nHINT: There are 5 vane lengths with the following rotor and cam ring marks:\n\nRotor and cam ring number Vane plate length mm (in.)\nNone 14.999–15.001 (0.59051–0.59059)\n1 14.997–14.999 (0.59043–0.59051)\n2 14.995–14.997 (0.59035–0.59043)\n3 14.993–14.995 (0.59027–0.59035)\n4 14.991–14.993 (0.59020–0.59027)\n\n3. INSPECT FLOW CONTROL VALVE\n(a) Coat the valve with power steering fluid and check that it falls smoothly into the valve hole by its own weight.\n\nThickness\nHeight\nLength\n\nFeeler Gauge\n\nInscribed Mark Vane Length\n\nX8178 Z06060\nZ8080 Z06061\nR10262\nSR2673\nR07603","image":"https://tsrm.sasquatchvc.com/images/mk4/PS/PS_028.png","url":"https://tsrm.sasquatchvc.com/mk4/tsrm/PS/28","prev":{"page":27,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/PS/27","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/27"},"next":{"page":29,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/PS/29","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/29"},"section_url":"https://tsrm.sasquatchvc.com/mk4/tsrm/PS","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/1","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/2","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/3","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/4","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/5","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/6","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/7","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/8","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/9","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/10","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/11","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/12","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/13","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/14","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/15","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/16","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/17","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/18","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/19","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/20","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/21","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/22","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/23","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/24","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/25","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/26","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/27","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/28","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/29","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/30","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/31","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/32","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/33","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/34","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/35","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/36","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/37","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/38","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/39","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/40","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/41","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/42","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/43","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/44","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/45","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/46","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/47","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/48","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/49","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/50","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/51","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/PS/52"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}