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1996 Ford Truck E 350 Van Exhaust Manifold – Exhaust Leaks

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Download 1996 Ford Truck E 350 Van V8-460 7.5L Exhaust Manifold – Exhaust Leaks. EXHAUST – EXHAUST LEAK AT EXHAUST MANIFOLDS – VEHICLES EQUIPPED WITH 7.0L OR 7.5L ENGINE LIGHT TRUCK: 1993-96 E-35O 1993-97 F SUPER DUTY, F-250 HD, F-350 MEDIUM/HEAVY TRUCK: 1992-97 F-700, F-800 This TSB article is being republished in its entirety to correct the Labor Operation Times listed. ISSUE An exhaust leak at the exhaust manifolds may be evident on some vehicles. This may be due to heat causing a reduction in bolt torque on the exhaust manifolds. ACTION Install new exhaust manifold bolts. Refer to the following Service Procedure and Part Application Chart for details. SERVICE PROCEDURE NOTE IF THE MANIFOLD IS TO BE RESURFACED, THE BOLTS MUST BE SHORTENED TO ACCOMMODATE THE EXHAUST MANIFOLD . THE BOLTS SHOULD HAVE THE LEADING “DOG POINT” REMOVED TO PREVENT BOTTOMING INTO THE HOLE. NOTE THERE SHOULD NOT BE ANY TYPE OF GASKET USED BETWEEN THE EXHAUST MANIFOLD AND THE CYLINDER HEAD. Parts Block OTHER APPLICABLE ARTICLES: NONE SUPERSEDES: 97-26-23 WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper 1. If an exhaust leak exists at the exhaust manifold due to a reduction in bolt torque, remove the manifold bolts and the exhaust manifold and check the overall flatness of the manifold. The manifold should not exceed 0.25 mm (0.010″) out- of-flat. Refer to the appropriate model/year Service Manual for manifold removal procedures. 2. If the vehicle is covered under the emissions warranty period, replace the manifold if it is out-of-flat. If the vehicle is out of the emissions warranty period, resurface the exhaust manifold . 3. Install the manifold using new mounting hardware, but DO NOT USE WASHERS TO INSTALL THE MANIFOLD. Torque the bolts to 34-47 N.m (25- 35 lb-ft). 4. Check all exhaust system fittings loosened during repair for adequate tightness and allow engine to warm up. Recheck exhaust system for leaks and repair as required.


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