^ location ^ size ^ pitch ^ thread length\\ (shoulder length) ^ more details ^ years ^ ^ Engine ^^^^^^ | upper rear timing cover | M6 | 1.0 | 10mm (none) | bolt + split washer | all | | distributor bracket | M6 | 1.0 | 20mm (none) | bolt | all | | distributor cap | M4 | 0.75 | 25mm (none) | bolt | all | | harmonic balancer to crank | M10 | 1.0 | 120mm | bolt + flat washer | 84-87 | | harmonic balancer to crank | M12 | 1.25 | ? | bolt + flat washer | 88-89 | | pulleys to harmonic balancer | M6 | 1.0 | 15mm | bolt + split washer | all | | timing belt tensioner | M10 | 1.25 | | nut + flat washer | all | | CHTS | M12 | 1.25 | || all | ^ Engine (accessories) ^^^^^^ | alternator bracket to block | M10 | 1.5 | 60mm | bolt + split washer | 87-89 | | alternator adjuster to block | M8 | 1.25 | 25mm (40mm) | bolt + split + flat washer | all | | alternator to bracket | M8 | 1.25 | 20mm | bolt | all | | air conditioner bracket to block | M10 | 1.5 | 25mm (20mm) | bolt | all | | air conditioner bracket to block | M8 | 1.25 | 25mm (90mm) | bolt | all | | upper p/s pump bracket | M8 | 1.25 | 35mm | bolt + split washer | all | | lower p/s pump bracket | M10 | 1.5 | 20mm | bolt + flat washer | 84-86 | | front-right hoist bracket | M8 | 1.25 | 50mm | bolt + split washer | all | | front-right hoist bracket | M8 | 1.25 | 16mm | bolt + split washer | all | | motor mount bracket to block | M10 | 1.5 | 20mm | bolt + split washer | all | | motor mount stabilizer to bracket | M10 | 1.5 | 25mm | bolt + split washer | all | | motor mount stabilizer to block | M10 | 1.5 | 20mm | bolt + split washer | all | ^ Engine (cooling) ^^^^^^ | filler neck | M8 | 1.25 | 50mm (?) | bolt + split + flat washer | all | | t-stat housing | M8 | 1.25 | 72mm (?) | bolt + split + flat washer | all | | t-stat housing cover | M8 | 1.25 | 34mm | bolt + split + flat washer | all | | water pump pulley | M6 | 1.0 | | stud + split washer + nut | all | | filler neck to heater tube flange | M6 | 1.0 | 18mm (none) | bolt + split washer | all | | heater tube front+rear flange | M6 | 1.0 | 18mm (none) | bolt + split washer | all | | heater tube hold-down | M6 | 1.0 | 14mm (none) | bolt + split washer | all | ^ Engine (lubrication) ^^^^^^ | oil pump | M6 | 1.0 | 20mm | bolt + split washer | all | | | M6 | 1.0 | 30mm | bolt + split washer | all | | oil pan | M6 | 1.0 | 14mm (none) | bolt + split washer | all | | oil temp sensor bung | M16 | 1.5 | | | all (turbo) | | oil sender port | 1/8" | BSPT | | | all | ^ Engine (induction) ^^^^^^ | fuel pressure regulator | M6 | 1.0 | 12mm | bolt + split washer | all | | pop-off valve port | 1" | NPT | | | all | | egr valve to intake | M8 | 1.25 | | stud + split washer + nut | all | | throttle body to plenum | M8 | 1.25 | 40mm (10mm) | bolt + split washer | all | | upper plenum to lower | M8 | 1.25 | 40mm (10mm) | bolt + split washer | all | | injector retainer | M6 | 1.0 | 30mm (none) | bolt | all | ^ Engine (exhaust) ^^^^^^ | exhaust manifold | M8 | 1.25 | | stud | 84-87 | | exhaust manifold | M10 | 1.25 | 30mm | bolt | 88-89 | | turbine to downpipe | M10 | 1.5 | | stud | all | | downpipe to exhaust | M10 | 1.25 | | stud | all | | egr manifold bung | M22 | 1.5 | | | all | ^ Transmission/Driveshaft ^^^^^^ | transmission mount to body | M10 | 1.5 | 20mm | bolt | all | | transmission mount to isolator | M10 | 1.25 | 20mm (90mm) | bolt | all | | driveshaft to differential | M10 | 1.25 | 30mm | bolt | all (turbo) | ^ Front Suspension ^^^^^^ | tie rod end | M14 | 1.5 | | castle nut | all | | steering rack to crossmember | M12 | 1.25 | 30mm | bolt | all | | knuckle to strut | M12 | 1.25 | 40mm | bolt | all | | caliper to strut | M12 | 1.25 | 40mm | bolt | all | | tension rod bracket | M10 | 1.25 | 25mm | bolt | all | | tension rod studs | M10 | 1.5 | | nut | 84-87 | | tension rod studs | M12 | 1.5 | | nut | 88-89 | ^ Rear Suspension ^^^^^^ | shock to lower mount | M12 | 1.25 | ? | bolt | all | | | M12 | 1.25 | 40mm (80mm) | prev-torq nylock nuts | all | | shock upper mount to body | M10 | 1.25 | | prev-torq nuts | all | | differential cover | M8 | 1.25 | 25mm | bolt | all | | differential mount to body | M10 | 1.5 | 60mm | bolt | all | | | M12 | 1.25 | | nut | all | | differential mount to body | M10 | 1.5 | 60mm | bolt | all | | differential to bracket | M14 | 1.5/2.0 | | stud | all | | | M14 | 1.5 | | nut | all | | differential to crossmember | M12 | 1.25 | 25mm (150mm) | bolt | all | ^ Body ^^^^^^ | front bumper cover | M6 | 1.0 | | prev-torq nuts | all | | rear bumper cover | M5 | 1.0 | | prev-torq nuts | all | ^ Interior ^^^^^^ | seat bracket | M10 | 1.5 | 25mm | bolt | all | ^ Miscellaneous ^^^^^^ | acorn nut | M12 | 1.25 | | 60° taper | 84-86 | | lug nut | M12 | 1.25 | | 60° taper | 87-89 |