1987 Acura Integra LS, 2D Hatchback, AutomaticFACTORY OEM SERVICE PROCEDURE

Dashpot System

NOTE: On Integra models, a dashpot is used only with manual transmission.
  1. Check vacuum lines for proper connection, leaks, cracking or clogging. Disconnect vacuum hose from dashpot diaphragm and connect a vacuum pump to hose. See Fig 1 , Fig 2 , Fig 3 or Fig 4 . Apply 10 in. Hg vacuum, and check that vacuum releases slowly. If vacuum holds or releases quickly, replace dashpot check valve and retest.
  2. Connect vacuum pump to dashpot diaphragm. Apply 10 in. Hg vacuum. Check that diaphragm rod pulls in and holds vacuum. If vacuum does not hold or diaphragm rod does not move, replace dashpot diaphragm and retest.
Fig 1: View of Air Intake Control System (Integra)
G65186Courtesy of AMERICAN HONDA MOTOR CO., INC.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.