Question about 1988 Ford Thunderbird

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1988 ford t bird has a vaccum leak think its going to brake booster but cant find it. 3.8 liter v-6 fuel injected motor

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  • Expert
  • 65 Answers

Use a can of starter fluid and spray around your vacuum hoses while engine is running (spray very lightly). Since the vacuum comes from the engine your engine will rev up when you get close to the leaking hose. Good luck

Posted on Nov 22, 2014

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SOURCE: my 1988 ford f150 wont start

fuel pressure regulator!!
and when is the last time you had a complete tune up?

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Belt covers need to be on. Timing mark on crankshaft (while on compression stroke) should line up with TDC mark on cover. then Camshaft mark, needs to line up by looking through access hole of cover, and align mark on cam sprocket with pointer on inside of belt cover.

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SOURCE: How do you go about replacing the ignition switch

Removal & Installation CAUTION Read the air bag service precautions in Section 6 prior to doing work involving an air bag equipped steering column component. Always wear safety glasses when servicing an air bag vehicle and handling the air bag to avoid possible injury.

  1. Disconnect the battery ground cable.
  2. Remove the steering column shroud and lower the steering column.
  3. Disconnect the switch wiring at the multiple plug.
  4. Remove the two nuts that retain the switch to the steering column.
  5. Lift the switch vertically upward to disengage the actuator rod from the switch and remove the switch.
  6. When installing the ignition switch, both the locking mechanism at the top of the column and the switch itself must be in the LOCK position for correct adjustment. To hold the mechanical parts of the column in the LOCK position, move the shift lever into PARK (with automatic transmissions) or REVERSE (with manual transmissions), turn the key to the LOCK position, and remove the key. New replacement switches, when received, are already pinned in the LOCK position by a metal shipping pin inserted in a locking hole on the side of the switch.
  7. Engage the actuator rod in the switch.
  8. Position the switch on the column and install the retaining nuts, but do not tighten them.
  9. Move the switch up and down along the column to locate the mid-position of rod lash, and then tighten the retaining nuts.
  10. Remove the locking pin, connect the battery cable, and check for proper start in PARK or NEUTRAL.-Also check to make certain that the start circuit cannot be actuated in the DRIVE and REVERSE position.
  11. Raise the steering column into position at instrument panel. Install steering column shroud.

Posted on May 04, 2010

tecnovative
  • 360 Answers

SOURCE: install power brake booster on 1988 ford ranger

REMOVAL & INSTALLATION NOTE: Make sure that the booster rubber reaction disc is properly installed if the master cylinder push rod is removed or accidentally pulled out. A dislodged disc may cause excessive pedal travel and extreme operation sensitivity. The disc is black compared to the silver colored valve plunger that will be exposed after the push rod and front seal is removed. The booster unit is serviced as an assembly and must be replaced if the reaction disc cannot be properly installed and aligned, or if it cannot be located within the unit itself.

  1. Disconnect the stop lamp switch wiring to prevent running the battery down.
  2. Support the master cylinder from the underside with a prop.
  3. Remove the master cylinder-to-booster retaining nuts.
  4. Loosen the clamp that secures the manifold vacuum hose to the booster check valve, and remove the hose. Remove the booster check valve.
  5. Pull the master cylinder off the booster and leave it supported by the prop, far enough away to allow removal of the booster assembly.
  6. From inside the cab on vehicles equipped with push rod mounted stop lamp switch, remove the retaining pin and slide the stop lamp switch, push rod, spacers and bushing off the brake pedal arm.
  7. From the engine compartment remove the bolts that attach the booster to the dash panel. To install:
  8. Mount the booster assembly on the engine side of the dash panel by sliding the bracket mounting bolts and valve operating rod in through the holes in the dash panel. NOTE: Make certain that the booster push rod is positioned on the correct side of the master cylinder to install onto the push pin prior to tightening the booster assembly to the dash.
  9. From inside the cab, install the booster mounting bracket-to-dash panel retaining nuts.
  10. Position the master cylinder on the booster assembly, install the retaining nuts, and remove the prop from underneath the master cylinder.
  11. Install the booster check valve. Connect the manifold vacuum hose to the booster check valve and secure with the clamp.
  12. From inside the cab on vehicles equipped with push rod mounted stop lamp switch, install the bushing and position the switch on the end of the push rod. Then install the switch and rod on the pedal arm, along with spacers on each side, and secure with the retaining pin.
  13. Connect the stop lamp switch wiring.
  14. Start the engine and check brake operation.
Fig. 1: Check the booster pushrod adjustment using a gauge with the shown dimensions

tecnovative_78.gif
Fig. 2: Exploded view of the typical power brake booster tecnovative_79.gif Fig. 3: Booster vacuum hose connections - 2.3L & 2.9L

tecnovative_80.gif
Fig. 4: Booster vacuum hose connections for the 4.0L

tecnovative_81.gif

Posted on Feb 03, 2011

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