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DOHC engine overhaul and torque specs
#1
DOHC General overhaul and torque specs
96-00 Honda Civic
97-01 Honda CR-V
94-00 Acura Integra

General
Cylinder compression pressure
B16A2
Standard………………………………......................................187 psi
Minimum………………………………....................................135 psi
Maximum variation between cylinders………………………..28 psi
B18B1
Standard………………………………......................................199 psi
Minimum……………………………….....................................135 psi
Max variation between cylinders……………………………….28 psi
B18C1, B18C5
Standard……………………………….......................................270 psi
Minimum………………………………......................................135 psi
Max variation between cylinders……………………………….28 psi
B20B4, B20Z2
Standard………………………………........................................178 psi
Minimum………………………………......................................135 psi
Max variation between cylinders……………………………….28 psi
Oil pressure (HOT)
At idle………………………………..............................................10 psi
At 3000 rpm………………………………......................................50 psi

Engine block
Cylinder bore diameter
B16A2, B18B1, B18C1, B18C5
Standard……………………………….......................................3.189 - 3.190 in
Service limit……………………………….................................3.192 in
B20B4, B20Z2
Standard……………………………….......................................3.307 - 3.308 in
Service limit……………………………….................................3.310 in
Cylinder taper limit………………………………......................................0.002 in max
Cylinder out-of-round limit………………………………..........................0.002 in max
Block deck warpage limit……………………………….............................0.004 in max










Pistons and rings
Piston diameter
B16A2
Standard……………………………….......................................3.1882 - 3.1886 in
Service limit……………………………….................................3.1878 in max
B18B1, B18C1, B18C5
Standard………………………………........................................3.188 - 3.189 in
Service limit………………………………..................................3.188 in max
B20B4, B20Z2
Standard………………………………........................................3.306 - 3.307 in
Service limit………………………………..................................3.306 in max
Piston diameter measurement point (from bottom)
B16A2, B18B1, B18C1, B18C5, B29B4.…………………………19/32 in
B20Z2.……………………………..................................................51/64 in
Piston-to-cylinder wall clearance
Standard………………………………............................................0.0004 - 0.0016 in
Service limit………………………………......................................0.002 in max
Ring groove clearance
Top compression ring
B16A2, B18B1, B18C1, B18C5
Standard………………………………......................................0.0018 - 0.0028 in
Service limit………………………………................................0.005 in max
B20B4, B20Z2
Standard………………………………......................................0.0022 - 0.0026 in
Service limit………………………………................................0.005 in max
Second compression ring
B16A2, B18B1
Standard
Riken brand………………………………................................0.0016 - 0.0026 in
Teikoku brand………………………………............................0.0018 - 0.0028 in
Service limit………………………………..................................0.005 in max
B18C1, B18C5
Standard……………………………….........................................0.0016 - 0.0026 in
Service limit………………………………..................................0.005 in max
B20B4, B20Z2
Standard……………………………….........................................0.0014 - 0.0024 in
Service limit………………………………...................................0.005 in max
Top Compression ring
B16A2, B18B1
Standard
Riken Brand………………………………................................0.008 - 0.014 in
Teikoku brand……………………………….............................0.008 - 0.012 in
Service limit (ALL)……………………………..............................0.024 in max
B18C1, B18C5
Standard……………………………….........................................0.008 - 0.014 in
Service limit………………………………...................................0.024 in max
B20B4, B20Z2
Standard……………………………….........................................0.008 - 0.012 in
Service limit………………………………...................................0.024 in max

Second compression ring
Standard……………………………….....................................0.016 - 0.022 in
Service limit………………………………...............................0.028 in max
Oil control ring
B16A2, B18B1
Standard
Riken brand………………………………..........................0.008 - 0.020 in
Teikoku brand………………………………......................0.008 - 0.018 in
Service limit (ALL)……………………………….................0.028 in max
B18C1, B18C5, B20B4, B20Z2
Standard………………………………...................................0.008 - 0.020 in
Service limit……………………………….............................0.028. In max


Crankshaft and connecting rods
Endplay
Standard……………………………….....................................0.004 - 0.014 in
Service limit………………………………...............................0.018 in max
Main bearing journals
Diameter
No. 1,2,4, and 5 journals………………………………........2.1644 - 2.1654 in
No. 3 journal
B16A2, B18B1, B20B4, B20Z2.…………………………2.1642 - 2.1651 in
B18C1, B18C5.…………………………….......................2.1643 - 2.1653 in
Taper……………………………….........................................0.0004 in max
Out-of-round……………………………….............................0.0004 in max
Runout……………………………….......................................0.002 in max
Main bearing oil clearance
No. 1,2,4,and 5 journals
Standard……………………………….................................0.0009 - 0.0017 in
Service limit………………………………...........................0.002 in max
No. 3 journal
Standard………………………………..................................0.0012 - 0.0019 in
Service limit………………………………............................0.0024 in max
Connecting rod journal
Diameter……………………………….....................................1.7707 - 1.7717 in
Taper………………………………...........................................0.0004 in max
Out-of-round………………………………...............................0.0004 in max
Runout……………………………….........................................0.001 in max
Connecting rod bearing oil clearance
B16A2
Standard………………………………....................................0.0013 - 0.0020 in
Service limit………………………………..............................0.0020 in max
B18B1, B20B4, B20Z2
Standard……………………………….....................................0.0008 - 0.0015 in
Service limit………………………………...............................0.002 in max
B18C1, B18C5
Standard……………………………….....................................0.0013 - 0.0020 in
Service limit………………………………...............................0.0024 in max

Connecting rod side clearance (endplay)
Standard………………………………........................................0.006 - 0.012 in
Service limit……………………………….................................0.016 in max


Cylinder head and valves
Head warpage limits
Max without resurfacing………………………………..............0.002 in
Service limit……………………………….................................0.008 in
Cylinder head hieght
B16A2, B18C1, B18C5.……………………………...................5.589 - 5.593 in
B18B1, B20B4, B20Z2.……………………………...................5.195 - 5.199 in
Valve seat angle………………………………........................................45 degrees
Valve face angle………………………………........................................45 degrees
Valve margin width
B16A2, B18C1, B18C5
Intake……………………………….........................................0.033 in minimum
Exhaust………………………………......................................0.057 in minimum
B18B1, B20B4, B20Z2
Intake……………………………….........................................0.045 in minimum
Exhaust………………………………......................................0.057 in minimum
Valve stem diameter
B18B1, B20B4, B20Z2
Intake
Standard……………………………….................................0.2591 - 0.2594 in
Service limit………………………………...........................0.0258 in minimum
Exhaust
Standard……………………………….................................0.2579 - 0.2583 in
Service limit………………………………...........................0.257 in minimum
B16A2, B18C1, B18C5
Intake
Standard……………………………….................................0.2156 - 0.2159 in
Service limit………………………………...........................0.2144 in minimum
Exhaust
Standard……………………………….................................0.2146 - 0.2159 in
Service limit………………………………...........................0.2134 in minimum
Valve guide inside diameter
B18B1, B20B4, B20Z2
Standard……………………………….....................................0.260 - 0.261 in
Service limit………………………………...............................0.262 in max
B16A2, B18C1, B18C5
Standard………………………………......................................0.217 - 0.218 in
Service limit………………………………................................0.219 in max
Valve stem-to-guide clearance
Intake
Standard……………………………….....................................0.001 - 0.002 in
Service limit………………………………...............................0.003 in max
Exhaust
Standard……………………………….....................................0.002- 0.003 in
Service limit………………………………...............................0.004 in max
Valve stem installed height
B18B1, B20B4, B20Z2
Intake
Standard……………………………….................................1.6049 - 1.6234 in
Service limit………………………………...........................1.6333 in max
Exhaust
Standard………………………………..................................1.6837 - 1.7022 in
Service limit………………………………............................1.7120 in max
B16A2, B18C1, B18C5
Intake
Standard………………………………..................................1.4750 - 1.4935 in
Service limit………………………………............................1.5033 in max
Exhaust
Standard………………………………..................................1.4632 - 1.4817in
Service limit………………………………............................1.4915 in max
Valve spring free length
B16A2
Intake
Outer……………………………….......................................1.611 in
Inner………………………………........................................1.445 in
Exhaust……………………………….......................................1.652 in
B18B1
1995 and earlier
Intake……………………………….......................................1.668 in
Exhaust……………………………….....................................1.854 in
1996 and later
Intake………………………………........................................1.625 in
Exhaust……………………………….....................................1.745 in
B18C1
Intake
Outer………………………………........................................1.616 in
Inner……………………………….........................................1.425 in
Exhaust………………………………........................................1.652 in
B18C5
Intake
Outer……………………………….........................................1.700 in
Inner………………………………..........................................1.450 in
Exhaust
Outer……………………………….........................................1.616 in
Inner………………………………..........................................1.424 in
B20B4, B20Z2
Intake………………………………...........................................1.668 in
Exhaust………………………………........................................1.745 in







General
Firing order……………………………….................................................1-3-4-2
Cylinder numbers (left-to-right)…………………………….....................1-2-3-4
Bore
B16A2, B18B1, B18C1, B18C5.…………………………….......3.19 in
B20B4, B20Z2.……………………………..................................3.31 in
Stroke
B16A2.……………………………...............................................3.05 in
B18B1, B20B4, B20Z2.…………………………….....................3.50 in
B18C1, B18C5.……………………………..................................3.43 in
Displacement
B16A2.……………………………...............................................97 cubic in (1.6 liter)
B18B1.……………………………...............................................112 cubic in (1.8 liter)
B18C1, B18C5.……………………………..................................110 cubic in (1.8 liter)
B20B4, B20Z2.……………………………..................................120 cubic in (2.0 liter)

Camshaft
Endplay
Standard……………………………….........................................0.002 - 0.006in
Max………………………………................................................0.020 in max
Lobe height
B16A2
Intake
Primary………………………………....................................1.3027 in
Mid………………………………..........................................1.4278 in
Secondary………………………………................................1.3771 in
Exhaust
Primary………………………………....................................1.2907 in
Mid………………………………..........................................1.4063 in
Secondary………………………………................................1.3658 in
B18B1, B20Z2
Intake………………………………..........................................1.3274 in
Exhaust……………………………….......................................1.3200 in
B18C1
Intake
Primary………………………………....................................1.3154 in
Mid………………………………..........................................1.4322 in
Secondary………………………………................................1.3601 in
Exhaust
Primary………………………………....................................1.3036 in
Mid………………………………..........................................1.4063 in
Secondary………………………………................................1.3536 in








B18C5
Intake
Primary………………………………....................................1.3027 in
Mid………………………………..........................................1.4138 in
Secondary………………………………................................1.3674 in
Exhaust
Primary……………………………….....................................1.2907 in
Mid………………………………...........................................1.4304 in
Secondary……………………………….................................1.3658 in
B20B4
Intake………………………………...........................................1.3072 in
Exhaust………………………………........................................1.3200 in
Runout
Standard……………………………….........................................0.001 in
Service limit………………………………...................................0.002 in max
Journal oil clearance
B16A2
Standard………………………………......................................0.002 - 0.004 in
Max……………………………….............................................0.006 in max
B18B1, B20B4, B20Z2
Standard………………………………......................................0.0012 - 0.0027 in
Max……………………………….............................................0.006 in max
B18C1, B18C5
Standard………………………………......................................0.0020 - 0.0035 in
Max……………………………….............................................0.006 in max

Oil Pump
Rotor-to-cover clearance (all engines)
Standard………………………………..........................................0.001 - 0.003 in
Service limit………………………………....................................0.006 in max
Tooth tip clearance (all engines)
Standard………………………………..........................................0.002 - 0.006 in
Service limit………………………………....................................0.008 in max
Outer rotor-to-pump body clearance (all engines)
Standard………………………………...........................................0.004 - 0.007 in
Service limit……………………………….....................................0.008 in max














Torque specs

Camshaft bearing cap bolts
B18B1, B20B4, B20Z2.……………………………...................86 in-lbs
Camshaft holder bolts
B16A2, B18C1, B18C5
6mm bolts……………………………….................................86 in-lbs
8mm bolts……………………………….................................20 ft-lbs
Camshaft sprocket bolts
B18B1, B20B4, B20Z2.……………………………..................27 ft-lbs
B16A2, B18C1, B18C5.…………………………….................41 ft-lbs
Crankshaft fluctuation sensor bolts……………………………….........96 in-lbs
Main bearing cap bolts
Step 1
B16A2, B20B4, B20Z2.……………………………...............18 ft-lbs
B18B1, B18C1, B18C5.……………………………..............22 ft-lbs
Step 2
B16A2, B18B1, B20B4, B20Z2……………………...............56 ft-lbs
B18C1, B18C5
No. 1 and 5 caps………………………………....................56 in-lbs
No. 2.3. And 4 caps………………………………...............49 in-lbs
Connecting rod bearing cap nuts
Step 1
B16A2, B18B1, B18C1, B20B4, B20Z2.……………………14 ft-lbs
B18C5.….See Note

Note: On B18C5 DOHC VTEC engines, install the bearings and the rod cap in the normal fashion and tighten the nuts finger tight, then install a box end wrench over the nut and position the rod bolt stretch gauge in place on the rod bolt. Zero the dial indicator on the stretch gauge and tighten the connecting rod nuts until the gauge reads 0.005 - 0.006 in.

Step 2
B16A2.…………………………….......................................30 ft-lbs
B18B1, B20B4, B20Z2.…………………………….............23 ft-lbs
B18C1.…………………………….......................................33 ft-lbs
Crankshaft pulley bolt………………………………............................130 ft-lbs

Cylinder head bolts
Step 1.……………………………............................................22 ft-lbs
Step 2
B16A2.……………………………........................................61 ft-lbs
B18B1, B18C1, B18C5
1995 and earlier………………………………...................61 ft-lbs
1996 and earlier………………………………...................63 ft-lbs
B20B4, B20Z2.……………………………...........................63 ft-lbs
Driveplate-to-crankshaft bolts………………………………................54 ft-lbs
Intake manifold bolts/nuts………………………………......................17 ft-lbs
Intake manifold air chamber nuts (B18C1)……………………………17 ft-lbs
Exhaust manifold-to cylinder head nuts……………………………….23 ft-lbs
Exhaust pipe-to-manifold nut……………………………….................40 ft-lbs
Exhaust manifold upper cover bolts……………………………….........17 ft-lbs
Flywheel-to-crankshaft bolts………………………………....................76 ft-lbs
O2 sensor………………………………..................................................33 ft-lbs
Oil jet bolts………………………………...............................................144 in-lbs
Oil pressure switch………………………………...................................156 in-lbs
Oil pan baffle plate bolts
B16A2, B18B1, B18C1.……………………………..................96 in-lbs
B18C5, B20B4, B20Z2.……………………………..................86 in-lbs
Oil pan drain plug………………………………....................................33 ft-lbs
Oil pan-to-engine bolts………………………………............................104 in-lbs
Oil pump pick-up tube to pump housing nuts
B16A2, B18B1, B18C1.…………………………….................96 in-lbs
B18C5, B20B4, B20Z2.…………………………….................86 in-lbs
Oil pump screen-to-main bearing cap
B16A2, B18B1, B18C1.…………………………….................96 in-lbs
B18C5, B20B4, B20Z2.…………………………….................86 in-lbs
Oil pump-to-housing bolts
6mm bolts
B16A2, B18B1, B18C1.……………………………..............96 in-lbs
B18C5, B20B4, B20Z2.……………………………...............86 in-lbs
8mm bolts………………………………....................................17 ft-lbs
Oil pump cover-to-housing
1995 and earlier
B18B1, B18C1.……………………………............................48 in-lbs
1996 and later
B16A2, B18B1, B18C1, B18C5.…………………………….60 in-lbs
B20B4, B20Z2.……………………………............................48 in-lbs
Oil pump relief valve plug……………………………….......................29 ft-lbs
Rear main oil seal housing bolts
B16A2, B18B1, B18C1, B18C5.……………………………....96 in-lbs
B20B4, B20Z2.……………………………...............................86 in-lbs
Timing belt cover bolts………………………………............................86 in-lbs
Timing belt tensioner bolt………………………………........................40 ft-lbs
Valve cover nuts……………………………….......................................86 in-lbs
VTEC lock-up solenoid bolts………………………………...................104 in-lbs
Water pump bolts……………………………….....................................104 in-lbs
Made in Japan, Assembled by Americans!!!
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Reply
#2
why isnt this in the important threads? Gotme
edit by: Adam SkunkdSiR
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EJ8SQUAD#426
Reply
#3
i have no idea, ARTIK hasnt moved it yet.
Made in Japan, Assembled by Americans!!!
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Reply
#4
Good stuff, thx man!
Reply
#5
no prob, i will have some check engine codes chart on here soon for obd1 and obd2
Made in Japan, Assembled by Americans!!!
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Reply
#6
Thanks JDMBorn you're definitely delivering.
Reply
#7
(07-27-2009, 11:30 AM)JDMBorn Wrote:  no prob, i will have some check engine codes chart on here soon for obd1 and obd2

Rock sweet! i hate having to look up codes and stuff.. now while i'm checking the forum i can look up codes..yeah
WaIt tIl YoU sEe GoD!!! ThEn BrAkE!!
FAMILY GUY MEMBER #12 (GIGGITY)
EJ8 OFFICIAL # 678 WHOOT WOO! Rock

Reply
#8
i will get them up tonite now since the site is back up.
Made in Japan, Assembled by Americans!!!
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Reply
#9
let me know if there is anything else that i need to put on here
Made in Japan, Assembled by Americans!!!
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Reply
#10
any D series?
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