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97 Chevy Suburban: 4wd..idling..the brake pedal, the engine..rough My parents have a 97 Chevy Suburban 4wd. The brakes are hard to push down on and require more pressure to stop the vehicle. Also, while idling and pressing the brake pedal, the engine runs very rough. I'm thinking that it is a vacuum leak of some sort. Could it be? Are there any simple test that I can do to narrow down the problem? Is there a check valve or some other thing that is common for a Suburban that can be replaced simply? Or could it be the master cylinder? Any help would be great. Thanks. Check the link below for Answer: http://www.justanswer.com/chevy/2ivnt-parents-97-chevy-suburban-4wd-brakes-hard.html

the brake pedal, the engine..rough Vacuum Booster REMOVAL & INSTALLATION: REMOVAL & INSTALLATION See Figure 1 Disconnect the negative battery cable. Apply the parking brake. Unplug all necessary electrical connections. Remove the master cylinder from the booster and pull it off the studs, CAREFULLY! It is not necessary to disconnect the brake lines. Disconnect the vacuum hose from the check valve. If necessary, remove the brake light switch. Disconnect the booster pushrod at the brake pedal. Remove the booster mounting nuts, located on the inside of the firewall.   Fig. Fig. 1: Vacuum booster mounting Lift off the booster and remove the gasket. To install: Install the booster with a new gasket. Tighten the booster mounting nuts to 21 ft. lbs. (29 Nm) on all except 1996-98 models. On 1996-98 models, tighten the nuts to 26 ft. lbs. (36 Nm). Install all remaining components. http://www.au tozone.com/autozone/catalog/parts/partsShelf.jsp?...

Torque settings mains big ends head

2003 E46 320d Torque settings required Cylinder Head, Big ends and main bearings, Flywheel  2003 320d M47 engine. Head bolts 1.40Nm 2. 80Nm 3 Slacken off 180 degrees 4. 50Nm 5 +90 degrees 6.+90 degress On new head bolts... Main bearings 1. 22Nm 2, +90 degrees On new bolts... Big ends 1. 5Nm 2. 20Nm +70 degrees On new bolts.... Flywheel 105Nm

Series 1 1600 Torque setting for big ends, mains, and Head Cylinder head bolts - 7/16 in. B.S.F - 50lb/ft 3/8 in. B.S.F. - 30lb/ft Main bearing bolts- 80lb/ft Big end bolts - 40lb/ft

Mini Torque Wrench Settings Do those nuts and bolts up properly, or a wheel might fall off... if you've been trying to find correct torque wrench settings for your Mini here they are for just about everything that matters. Suspension and Steering, Mk1/2 Fastener Torque (lbft) Torque (kgm) Drive shaft coupling U bolts (rubber cross inner joints) 8 to 12 1.11 to 1.66 Drive shaft nut (front hub, drum brakes).  Continue tightening until next split pin slot aligns. Do not slacken off until the next slot aligns! 60 8.3 Tie rod to front subframe 20 to 24 2.8 to 3.3 Tie rod to lower front suspension wishbone 17 to 20 2.8 to 3.3 Front suspension upper support arm pivot shaft nut 45 to 60 6.2 to 8.3 Front suspension lower wishbone pivot shaft nut 30 to 35 4.1 to 4.8 Wheel nuts 40 to 45 5.5 to 6.2 Steering column/rack pinion clamp bolt 8 to 10 1.11 to 1.38 Steering arm to swivel hub 30 to 35 4.1 to 4.8 Steering track-rod end to steering arm 20 to 24 2.8 to 3.3 Steering...

 what are the torque settings for bearing mains,big ends and head cylinder bolts BIG END, MAINS AND CYLINDER HEAD TORQUE SETTINGS FOR 2.4 LITRE JEEP CHEROKEE 2003 MODEL Tighten the cylinder head bolts in the sequence shown. Using the 4 step torque turn method, tighten according to the following values: Step 1: All to  34 Nm (25 ft. lbs.) Step 2: All to  68 Nm (50 ft. lbs.) Step 3: All to  68 Nm (50 ft. lbs.) CAUTION:  Do not use a torque wrench for the following step. Step 4: Turn an additional  1/4 turn Step 5: Install and tighten bolts (1-10) in sequence shown, to  41 Nm (30 ft. lbs.)  . Tighten bolts (1-10) again to  41 Nm (30 ft. lbs.) PLUS 1/4 turn  in sequence shown. Install main bearing bedplate to engine block bolts (11-20), and torque each bolt to 28 Nm (20 ft. lbs.) in sequence shown. Connecting Rod Cap Bolts 54 Nm (40 ft. lbs.) + 1/4 turn 1997 Jetta: Torque settings..vw..the head, fly w...