volvo 1999 fm 12 truck


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MASS AIR FLOW (MAF)—SENSOR CONTAMINATION—SERVICE TIP

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Filed Under (Ford) by admin on 27-04-2010

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FORD: 1990-1997 THUNDERBIRD 1990-1999 MUSTANG, TAURUS SHO 1991-1999 CROWN VICTORIA, ESCORT, TAURUS 1992-1994 TEMPO 1993-1997 PROBE 1995-1999 CONTOUR 1990 BRONCO II 1990-1997 AEROSTAR 1990-1999 RANGER 1991-1999 EXPLORER 1994-1996 BRONCO 1994-1997 F SUPER DUTY, F-250 HD 1994-1999 ECONOLINE, F-150, F-250 LD, F-350 1995-1999 WINDSTAR 1997-1999 EXPEDITION 1999 F-250 HD, SUPER DUTY F SERIES

LINCOLN: 1991-1999 CONTINENTAL, TOWN CAR 1993-1998 MARK VIII 1998-1999 NAVIGATOR
MERCURY: 1990-1997 COUGAR 1991-1999 GRAND MARQUIS, SABLE, TRACER 1992-1994 TOPAZ 1995-1999 MYSTIQUE 1997-1999 MOUNTAINEER

ISSUE SERVICE TIP
This TSB article is a diagnostic procedure to address vehicles that exhibit lean driveability MASS AIR FLOW (MAF) DISCUSSION symptoms and may or may not have any Diagnostic MAF sensors can get contaminated from a variety Trouble Codes (DTCs) stored in memory. of sources: dirt, oil, silicon, spider webs, potting
ACTION
compound from the sensor itself, etc. When a MAF sensor gets contaminated, it skews the transfer Follow the diagnostic procedures described in the function such that the sensor over-estimates air flow following Service Tip. The revised diagnostic at idle (causes the fuel system to go rich) and procedure is a more accurate means of diagnosing under-estimates air flow at high air flows (causes
the symptoms. fuel system to go lean). This means Long Term Fuel Trims will learn lean (negative) corrections at idle and learn rich (positive) corrections at higher air flows.

1999 Volvo V70 XC WHEEL HUB UNIT Removal

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Filed Under (Volvo) by admin on 28-05-2010

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1. Remove the wheel. Remove the ABS sensor. Detach the ABS sensor cable from the spring strut. 2. Remove both mounting bolts from the brake caliper. Hang up the brake caliper on the spring strut to prevent strain on brake hose.Do not disconnect brake hose. CAUTION: Manufacturer recommends replacing axle shaft bolt if original is removed. 3. Remove the bolt from end of axle shaft. See Fig. 7 . Remove the locating pin for the brake disc. Remove the brake disc. NOTE: Manufacturer recommends using NEW anti-roll bar link nut if original is removed. 4. Tap the end of the axle shaft into the hub approximately 0.4-0.6″ (10-15 mm) using a brass drift. Remove the upper link for the anti-roll bar from the spring strut. 5. Remove the steering arm (tie rod end) from the wheel spindle using Puller (999 5259), or equivalent.

1999 Volvo V70 XC REPLACING TIMING BELT/ IDLER PULLEY/ BELT TENSIONER

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Filed Under (Volvo) by admin on 06-08-2010

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Remove components Caution! Remove the ignition key from the ignition switch before beginning Note! work. Crankshaft or camshaft must not be rotated under any circumstances more than is listed below. Failure to follow these instructions may cause damage to the valves. upper timing belt cover. servo reservoir and expansion tank. Lift up and place on top of engine. Note! Take care not to spill servo oil from the bleed hole in the cap. Place paper wipe around the reservoir and then cover with a plastic bag as protection. Spilled servo oil is highly inflammable. auxiliaries belt. front camshaft belt cover. Position engine according to marking Raise the car. Remove right front wheel. Remove the nut for the cover in the fender liner. Install the upper camshaft belt cover. Turn crankshaft clockwise until the markings on the crankshaft and camshaft pulley correspond. Turn the crankshaft a further 1/4 turn clockwise and then back again until the markings correspond. The markings are illustrated. Remove upper camshaft belt cover.

1999 Protege 1.6L 1999-00 Miata 1.8L RATTLING NOISE FROM ENGINE Service Bulletin

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Filed Under (Mazda) by admin on 18-04-2010

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APPLICABLE MODEL(S)/VINS All 1999 Protege (1.6L) with VINs lower than JM1 BJ222* X0 140057. All 1999 – 2000 Miata with (1.8L) VINs lower than JM1 NB353* Y0 155947. DESCRIPTION A rattling noise may be heard from the engine when depressing the clutch or when revving the engine in neutral. In extreme cases, customers may experience noise at all times. This concern can be caused by improperly machined number 4 main cap of cylinder blocks which may result in premature wear of the thrust bearing. Customers having this concern should have their vehicle repaired using the following procedure
REPAIR PROCEDURE
1. Verify customer concern. 2. Using a dial indicator, measure and record the crankshaft end play as shown (Protege). Rotate the crankshaft 180o, and again measure and record the crankshaft end play. – If end play is 0.3mm or more, proceed to STEP 3. – If end play is still less then 0.3mm, refer to the Work- shop Manual for further diagnostics. 3. Replace the applicable part per the Workshop Manual: • Protege – Short Engine • Miata – Partial Engine Note • Completely clean any parts that will be reused. 4. Verify the repair.

1993 Volvo 240 SUSPENSION Volvo Front – RWD DESCRIPTION & OPERATION

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Filed Under (Volvo) by admin on 04-05-2010

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A MacPherson strut-type suspension is used. Suspension consists of a vertically mounted strut and coil spring assembly. Top of strut assembly is mounted to chassis frame; bottom is mounted to a ball joint, bolted to lower control arm. The steering knuckle/spindle assembly is an integral part of strut. A stabilizer bar connects to control arms through rubber-mounted links. See Fig. 1 . View Of Front Suspension (240) Exploded View Of Front Suspension (240)