Hyundai — Regulator assembly
Repair & overhaul
From a Hyundai service manual — check it applies to your exact model before use.
Before you start
- Mixing of foreign matter will cause malfunction. Wash parts well and handle in clean place.
- Take care not to mistake direction of feedback lever.
- At this point move feedback lever to confirm no large play and free from binding.
Procedure
- For assembly, reverse disassembly procedures.
- Always repair parts scored at disassembly. Get replacement parts ready beforehand.
- Mixing of foreign matter will cause malfunction. Wash parts well with cleaning oil, dry with jet air and handle in clean place.
- Always tighten bolts, plugs, etc. to specified torques.
- Coat sliding surfaces with clean hydraulic oil before assembly.
- Replace seals such as O-ring with new ones as a rule.
- Put compensating rod(623) into compensating hole of casing(601).
- Put pin force-fitted in lever(1,612) into groove of compensating rod and fit lever(1) to pin force-fitted in casing.
- Fit spool(652) and sleeve(651) into hole in spool of casing.
- Fit feedback lever(611), matching its pin hole with pin hole in spool. Then insert pin(874).
- Put pilot piston(643) into pilot hole of casing.
- Put pin force-fitted in lever(2,613) into groove of pilot piston. Then fix lever(2).
- Fit return spring(654) and spring seat(653) into spool hole and attach snap ring(814).
- Fit fulcrum plug(614) so that pin force-fitted in fulcrum plug(614) can be put into pin hole of lever(2). Then fix locking ring(858).
- Put spring seat(644), pilot spring(646) and adjusting ring(Q,645) into pilot hole. Then fix spring seat(624), inner spring(626) and outer spring(625) into compensating hole. Install cover(C,629) fitte
Tools required
- Adjustable angle wrench Amazon
- screw driver Amazon
- hammer Amazon
- pliers Amazon
- steel bar Amazon
- torque wrench Amazon
- pincers Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Tighten bolts and plugs to specified torques
- Replace seals such as O-ring with new ones as a rule
Source: Hyundai service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.