On 1993-1995 Ford F-Series Trucks with 7.3L Turbo Diesels (8th digit of Vin F), owners may experience the clutch pedal pushing to the floor without disengaging the clutch. This could be caused by a leaking clutch hydraulic system, resulting in a loss of hydraulic pressure to the clutch assembly. Ford has released a TSB Article No. 95-4-9, in this article, Ford recommends updated some parts to solve this problem.Model(s): Ford Light Truck: 1993-95 F Super Duty, F-250, F-350 E3TZ-7A564-A Clutch Slave CylinderF2TZ-7A543-D Clutch Master CylinderF5TZ-7A512-A Tube KitE7TZ-7A554-A Pedal Pivot Shaft Lever In Ford’s TSB, they list a point of interest with installing the...

Acura and Honda’s with V6 engines with EGR trouble codes and/or engine pinging. Check engine light on with DTC’s PO401 (insufficient EGR flow) or P1491 (insufficient EGR lift), this problem is due to the EGR port being clogged causing the failure. Honda has issued a TSB (Technical Service Bulletins) TSB-99-085 for the corrective action for cleaning the EGR port and installing a new EGR pipe kit. APDTY has also released a similar solution for unclogging and replacing the EGR port tube. The APDTY EGR fix consists of a tool kit, a coated, stepped drill bit and a punch tool. The repair kit...

It seems as if all of these complaints are quite common with the Altima 2.5L (QR25DE) engine: code PO420, exhaust rattling, and seeing bluish smoke coming from your exhaust. All these symptoms can point to the same cause: a bad exhaust manifold/catalytic converter. The factory catalytic converter is designed to last the lifetime of the vehicle. With no moving parts, it’s only function is to convert toxic chemicals in the exhaust into less toxic substances. The automotive catalytic converter core is usually a ceramic monolith with a honeycomb structure. The catalyst is most often platinum, this precious metal allows a reaction...

On many GM applications, the wiring harness that connects to the fuel pump assembly is not properly inspected as part of fuel system repair. This harness is prone to failure, leading to misdiagnosis and vehicle come-backs. Connector housing cracks, pin and contact looseness, and wire crimp issues can cause symptoms that simulate an issue with the fuel pump. It is recommended that the wiring connector be replaced with the pump to avoid unnecessary problems. *Tech Note: When replacing the fuel pump harness connector be sure to remove as much of the old wiring as possible. For example, if the connector had a...

Replacing an exhaust manifold on a 4.0L Jeep engine, This engine is common in many jeep models including the Cherokee, Grand Cherokee and Wrangler vehicles. Replacing the exhaust manifold requires that the intake manifold be removed also. The Jeep 4.oL engine design has the intake and exhaust manifold located on the same side of the cylinder head. * The fuel system is under constant pressure. This pressure must be released before disconnecting. 1) Remove fuel filler cap to relieve tank pressure. Remove fuel pump relay from Power Distribution Center (PDC). PDC is located in the engine compartment near the battery. Start and...